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Every Perkins engine fault code in our verified reference — 520 codes, 502 of them with a documented remedy. Find your code in the table, read the likely causes, then work the remedy. If it is beyond a field fix, our workshop in Embakasi repairs Perkins controllers and engines at board level.
Covers: 1100 Series · 1200 Series · 1500 Series · 2000 Series · 400 Series · 4000 Series · All Models · Evolution Series · Various
| Code | Fault | Likely cause | Remedy |
|---|---|---|---|
| 1100 | The controller is telling the engine to start | but it cannot start for some reason. The controller has verified that the engine is cranking; but not starting | — |
| 1100 | Low battery voltage. Battery voltage drops below acceptable levels. | spark plug | Check battery voltage and condition |
| 1101 | The controller has limited the number of starts at 10 to prevent damage to the starter | indicating fuel or maintenance related issues. | Check fuel and maintenance related items. Valves are normally a culprit of overcrank alarms. |
| 1101 | Battery charger fault. The battery charger is not functioning properly. | especially when air conditioners and battery chargers are running. | Check battery charger operation |
| 1104-4 | Intake air temperature sensor low voltage | The intake air temperature sensor circuit voltage is below normal or shorted to low voltage. | Test intake air temperature sensor with multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts to ground or opens. Verify air intake system condition. Reset fault via ECU diagnostic tool and restart. |
| 1200 | Prolonged overspeed | where the frequency (engine speed) was 72Hz or above on a 60Hz unit or 60Hz or above on a 50Hz unit for 3 seconds; most likely due to a stepper motor or mixer assembly issue. | — |
| 1200 | Low oil pressure. Engine oil pressure drops below safe operating levels. | especially when air conditioners and battery chargers are running. | Check oil level and add oil if necessary |
| 1205 | Instantaneous overspeed | where the frequency (engine speed) was 75Hz or above on a 60Hz generator; or 62Hz or above on a 50Hz model | — |
| 1205 | Instantaneous overspeed. Frequency (Hz) is over set threshold. | especially when air conditioners and battery chargers are running. | Inspect and repair stepper motor or mixer assembly; check engine speed and rectify if necessary |
| 1207 | An uncommon overspeed alarm that monitors the zero cross timing of the voltage regulator (AVR) to determine the alternator frequency | set for 150 Milliseconds of 4500 RPM or higher; used if normal ignition pulses are not seen by the controller from the 18 wire. | — |
| 1207 | Backup overspeed alarm. Monitors the zero cross timing of the automatic voltage regulator (AVR). | wiring diagrams | Inspect and repair the AVR and associated circuits; check alternator frequency and correct issues |
| 1210 | Overcrank. Engine fails to start after several attempts. | — | Check fuel supply; Measure resistance (180–2500 ohms depending on engine temperature |
| 1300 | Normal shutdown alarm for low oil or low oil pressure | which may be caused by low oil level; a faulty low oil pressure switch | — |
| 1300 | Overvoltage / Low Oil Pressure. Faulty voltage regulation or voltage sensing circuit / Low oil or oil pressure issue. | — | Contact service for voltage issues / Check oil level and pressure; Measure continuity (zero ohms expected |
| 1400 | The high engine temperature switch has closed and shut the unit down for exceeding the engine temperature high limit | possibly due to debris blocking vents restricting airflow. | Check for debris blocking the vents that might be restricting airflow. If nothing is found; check the high temp switch and its wiring. |
| 1400 | High engine temperature. | — | Check cooling system and ensure proper airflow; Measure resistance (1.6 kohms |
| 1501 | RPM alarm set when a 2 cylinder unit was already running and stalled or lost the RPM signal from the ignition coils | possibly due to fuel issues; empty LP tank | — |
| 1505 | RPM alarm set when a 2 cylinder unit is cranking | caused when the controller told the engine to crank but did not get a signal back that the engine was actually turning; possibly due to a dead or bad battery | — |
| 1511 | RPM alarm set when a single (1) cylinder unit was already running and stalled or lost the RPM signal from the ignition coils | possibly due to fuel issues; empty LP tank | — |
| 5246-0 | SCR operator inducement severity | Indicates issues with the selective catalytic reduction (SCR) system; such as low DEF level or quality. | — |
| E1001 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1002 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM; Check the fuel level; refill with clean diesel fuel. Inspect the fuel tank and lines for leaks. Test the fuel level sensor and wiring for faults (e.g. |
| E1003 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit; Verify the electrical load for irregularities causing voltage spikes. Test the alternator voltage regulator for faults; replace if defective. Inspect alternator output cables for shorts to power. Check the alternator for internal faults (e.g. |
| E1004 | Fuel Injector Fault | Open/short circuit; injector internal failure; Reduce the electrical load if exceeding the generator’s rated capacity. Inspect alternator output cables for loose or damaged connections. Test the alternator voltage regulator and excitation circuit | Replace faulty injector; check harness; test ECM driver; replace if faulty. Check the alternator belt for slip or wear; adjust or replace. Reset the fault on the control panel and restart. Consult the Atlas Copco QAS or a technician if unresolved.[](s://slib//828175/Atlas-Copco-Qas-14.html?=33) |
| E1005 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1006 | Coolant Temperature Low | Thermostat stuck open; sensor fault; ensure it meets nominal RPM (e.g.; 1500 RPM for 50 Hz). Inspect the fuel system for restrictions | Replace thermostat; test sensor; Check the engine speed |
| E1007 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test; triggering a warning or shutdown. | Inspect hoses; repair leak |
| E1008 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1009 | Oil Pressure High | Blocked oil passage; faulty pressure regulator; Reduce the electrical load by disconnecting non-essential appliances. Verify the load is within the generator’s rated capacity. Inspect alternator output cables for shorts or damage. Test the alternator for internal faults (e.g.; shorted windings). Reset the fault on the control panel and restart. to the Atlas Copco QAS or a technician if unresolved.[](s://d/document/400051074/325182547-Atlas-Copco-Fault-Codes-pdf) | Flush oil galleries; replace regulator |
| E1010 | Oil Temperature High | Blocked oil cooler; low oil level; top oil; redistribute loads to balance them. Inspect alternator output cables for loose or damaged connections. Test phase voltages with a multimeter to confirm balance. Check alternator windings for faults. Reset the fault on the control panel (e.g.; Qc1001). to the Atlas Copco QES or a technician if unresolved. | Clean/replace oil cooler; Check load distribution across all phases |
| E1011 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1012 | Turbo Overspeed | ECM miscalibration; faulty actuator; SAE 15W-40) if low. Inspect for oil leaks in engine or lines. Test oil pressure sensor and wiring | Update ECM software; reset actuator; Inspect the air filter; clean or replace if clogged. Check the air intake system for blockages or collapsed hoses. Test the air intake pressure sensor and wiring for faults; replace if defective. Ensure proper ventilation around the generator. Reset the fault on the control panel and restart. to the Atlas Copco QES or a technician if unresolved.[](s://slib//2231797/Atlas-Copco-U190-Pace-Kd-Wux.html?=50); replace if defective. Perform oil pressure test to check for internal engine issues. Reset fault via ECU diagnostic tool and restart. |
| E1013 | Air Filter Restriction | Clogged air filter; Ensure proper ventilation around the control panel; clear blocked vents. Check for excessive ambient heat. Test the control panel cooling fan (if equipped) and wiring | Replace air filter; inspect intake; replace if faulty. Relocate the generator if ambient conditions are too hot. Reset the fault on the control panel and restart. to the Atlas Copco QES or a technician if unresolved.; Verify engine speed via ECU diagnostic tool; adjust governor to maintain nominal RPM. Inspect fuel system for over-fueling (e.g. |
| E1014 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short; blocked muffler). Verify the cooling system is functioning correctly. Test the exhaust temperature sensor and wiring for faults | Replace sensor; check wiring harness; Inspect the exhaust system for restrictions (e.g.; replace if defective. Check for over-fueling or excessive load. Reset the fault on the control panel and restart. Consult the Atlas Copco QES or a technician if unresolved. |
| E1015 | Camshaft Position Sensor Fault | Loose timing; failed sensor; opens | Reset timing; replace sensor; Inspect the excitation circuit wiring for shorts |
| E1016 | Manifold Pressure Sensor Fault | Short circuit; contamination; opens | Clean/replace sensor; test wiring; Test the shutdown solenoid for operation; replace if defective. Inspect solenoid wiring for shorts |
| E1017 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1018 | EGR Valve Fault | Carbon buildup; valve stuck; affecting cold starts.; opens | Clean or replace EGR valve |
| E1019 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen; ATS). | check sensors; Check to make sure that the fuel supply is on and if on LP gas |
| E1020 | Alternator Under Voltage | Loose belt; alternator fault | Tighten belt; replace alternator; Check the oil level; top up with the recommended oil if low. Inspect the oil cooling system for blockages or pump failure. Test the oil temperature sensor and wiring for faults; replace if defective. Ensure proper engine ventilation. Reset the fault on the control panel and restart. to the Atlas Copco QEP or a technician if unresolved.; Check for the same causes as overspeed 1200 |
| E1021 | Alternator Over Voltage | Faulty regulator; or perform an oil pressure test to verify internal engine issues. | Replace regulator/alternator; Replace the fuel filter with a manufacturer-approved filter. Inspect fuel lines for additional blockages or contamination. Verify fuel pump operation. Prime the fuel system if needed. Reset the fault on the control panel and restart. Consult the Atlas Copco QEP or a technician if unresolved.; Check and fill oil level as needed; check oil pressure and replace the low oil pressure switch if faulty |
| E1022 | ECM Power Supply Fault | Loose battery cables; blown fuse; or quick overloading causing the engine to stall. | Tighten cables; replace fuse; Inspect alternator bearings for wear or lack of lubrication; lubricate or replace as needed. Ensure proper ventilation around the alternator. Test the bearing temperature sensor and wiring; replace if defective. Reduce the load if excessive. Reset the fault on the control panel and restart. to the Atlas Copco QEP or a technician if unresolved. |
| E1023 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST; or ignition coil problems. | Check the air intake system for blockages; clean or replace the air filter. Ensure proper ventilation around the generator. Test the air intake temperature sensor and wiring; replace if defective. Reset the fault on the control panel and restart. Consult the Atlas Copco QAS or a technician if unresolved. |
| E1024 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault; over-fueling). Reset the fault on the control panel and restart. to the Atlas Copco QAS or a technician if unresolved. | Inspect wiring; test ECM; Inspect the governor for proper operation; check mechanical or electronic components for faults. Verify governor wiring and control signals; repair or replace if defective. Test the fuel system for issues affecting speed (e.g. |
| E1025 | CAN Communication Loss - ECM to Governor | Governor module failure; opens; or loose connections. Verify sensor alignment with the flywheel. Reset the fault on the control panel and restart. Consult the Atlas Copco QAS or a technician if unresolved. | Replace governor; test wiring; Test the crankshaft position sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1026 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure; opens | Inspect governor; recalibrate fuel system; Test the camshaft position sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1027 | Engine Underspeed | Low fuel delivery; clogged filters; radiator | Replace filters; test fuel delivery; Check the coolant level in the radiator or reservoir; top up with the recommended coolant. Inspect the cooling system for leaks (hoses |
| E1028 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1029 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM; Inspect the fuel system for leaks |
| E1030 | Fuel Temperature High | Return fuel overheated; cooling failure; correct any miswiring. Check the control panel settings (e.g. | Check fuel cooler; replace lines; verify cooling circuit; Verify the phase wiring connections at the alternator output and load terminals |
| E1031 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver; Replace the oil filter with a manufacturer-approved filter. Check the oil system for contamination or blockages. Verify the oil pressure sensor readings with a gauge if possible. Reset the fault on the control panel and restart. to the Atlas Copco QAS or a technician if unresolved. |
| E1032 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1033 | Coolant Temperature Low | Thermostat stuck open; sensor fault; opens | Replace thermostat; test sensor; Test the fuel solenoid valve for operation; replace if defective. Inspect valve wiring for shorts |
| E1034 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test; affecting cold starts. | Inspect hoses; repair leak |
| E1035 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1036 | Oil Pressure High | Blocked oil passage; faulty pressure regulator; opens | Flush oil galleries; replace regulator; Test the oil temperature sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1037 | Oil Temperature High | Blocked oil cooler; low oil level; top oil; opens | Clean/replace oil cooler; Test the fuel pressure sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1038 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1039 | Turbo Overspeed | ECM miscalibration; faulty actuator; opens | Update ECM software; reset actuator; Test the coolant level sensor for proper operation; replace if defective. Inspect sensor wiring for shorts |
| E1040 | Air Filter Restriction | Clogged air filter; opens; or loose connections. Reset the fault on the control panel and restart. to the Atlas Copco QEP or a technician if unresolved. | Replace air filter; inspect intake; Test the exhaust temperature sensor with a multimeter for proper resistance; replace if faulty. Inspect sensor wiring for shorts |
| E1041 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short; opens | Replace sensor; check wiring harness; Test the alternator temperature sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1042 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor; Check the fuel cooling system (if equipped) for blockages or pump failure. Inspect fuel lines for heat exposure or restrictions. Test the fuel temperature sensor and wiring for faults; replace if defective. Ensure proper ventilation around the fuel tank. Reset the fault on the control panel and restart. Consult the Atlas Copco QAS or a technician if unresolved. |
| E1043 | Manifold Pressure Sensor Fault | Short circuit; contamination; noise | Clean/replace sensor; test wiring; Inspect alternator bearings for wear |
| E1044 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1045 | EGR Valve Fault | Carbon buildup; valve stuck; opens; or loose connections. Verify air intake system pressure ly if possible. Reset the fault on the control panel and restart. to the Atlas Copco QEP or a technician if unresolved. | Clean or replace EGR valve; Test the air intake pressure sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1046 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen; opens | check sensors; Test the fuel pump relay with a multimeter for proper operation; replace if defective. Inspect relay wiring for shorts |
| E1047 | Alternator Under Voltage | Loose belt; alternator fault; 12V or 24V). Test the display unit | Tighten belt; replace alternator; Check the control panel display connections for loose or damaged wiring. Verify the display power supply is within specifications (e.g.; replace if defective. Reset the control panel and test operation. to the Atlas Copco QEP or a technician if unresolved. |
| E1048 | Alternator Over Voltage | Faulty regulator; opens; or loose connections. Verify fuel pressure and quality. Reset the fault on the control panel and restart. to the Atlas Copco QEP or a technician if unresolved. | Replace regulator/alternator; Test the fuel injectors for proper operation using a diagnostic tool; replace any defective injectors. Inspect injector wiring for shorts |
| E1049 | ECM Power Supply Fault | Loose battery cables; blown fuse; opens | Tighten cables; replace fuse; Test the coolant pressure sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1050 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST; opens; or loose connections. Verify alternator output voltage with an external meter. Reset the fault on the control panel and restart. to the Atlas Copco QAS or a technician if unresolved. | Test the alternator voltage sensor with a multimeter for proper operation; replace if defective. Inspect sensor wiring for shorts |
| E1051 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault; opens | Inspect wiring; test ECM; Test the crankshaft or camshaft speed sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1052 | CAN Communication Loss - ECM to Governor | Governor module failure; opens; or loose connections. Verify fuel temperature ly if possible. Reset the fault on the control panel and restart. to the Atlas Copco QAS or a technician if unresolved. | Replace governor; test wiring; Test the fuel temperature sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1053 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure; affecting external device communication. | Inspect governor; recalibrate fuel system |
| E1054 | Engine Underspeed | Low fuel delivery; clogged filters; opens | Replace filters; test fuel delivery; Test the oil pressure sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1055 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1056 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM; Test the coolant temperature sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1057 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit; Test the fuel level sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1058 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver; Test the air intake temperature sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1059 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1060 | Coolant Temperature Low | Thermostat stuck open; sensor fault; opens | Replace thermostat; test sensor; Inspect the alternator cooling fan for operation; replace if defective. Check fan wiring for shorts |
| E1061 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak; Test the fuel injector circuit with a multimeter for proper operation; replace defective injectors or wiring. Inspect injector wiring for shorts |
| E1062 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1063 | Oil Pressure High | Blocked oil passage; faulty pressure regulator | Flush oil galleries; replace regulator; Inspect the EGR valve for proper operation; clean or replace if stuck or defective. Test EGR valve wiring and control signals for faults; repair or replace as needed. Verify the EGR system for blockages. Reset the fault on the control panel and restart. to the Atlas Copco QEP or a technician if unresolved. |
| E1064 | Oil Temperature High | Blocked oil cooler; low oil level; top oil | Clean/replace oil cooler; Inspect the turbocharger for damage or restrictions; clean or repair as needed. Check the air intake system for blockages or leaks. Test the boost pressure sensor and wiring for faults; replace if defective. Verify intercooler operation. Reset the fault on the control panel and restart. Consult the Atlas Copco QAS or a technician if unresolved. |
| E1065 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1066 | Turbo Overspeed | ECM miscalibration; faulty actuator; opens | Update ECM software; reset actuator; Inspect the cooling fan for operation; replace if defective. Check fan wiring for shorts |
| E1067 | Air Filter Restriction | Clogged air filter; damaged; or corroded wiring. Verify sensor alignment with the flywheel or camshaft gear. Test sensors with a multimeter for proper resistance | Replace air filter; inspect intake; Check crankshaft and camshaft sensor connections for loose; replace if defective. Inspect the timing gear for damage or misalignment. Reset the fault via the ECU diagnostic tool and restart. If the issue persists |
| E1068 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short; Power cycle the ECU by turning the ignition key (T15) off for one minute; then restart. Check ECU power supply wiring for shorts or opens. If the fault persists | Replace sensor; check wiring harness |
| E1069 | Camshaft Position Sensor Fault | Loose timing; failed sensor; charge if below 12.4V or replace if faulty. Inspect battery terminals and cables for corrosion or loose connections | Reset timing; replace sensor; Measure battery voltage with a multimeter; clean or tighten. Test the charging system for proper output (13.5–14.5V). Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved.[](s://d/document/316940304/Weichai-flash-code-for-euro-3-pdf) |
| E1070 | Manifold Pressure Sensor Fault | Short circuit; contamination; if above 28.8V for 24V systems | Clean/replace sensor; test wiring; Measure battery voltage; check the charging alternator for overcharging. Inspect the voltage regulator for faults; replace if defective. Check battery cables for shorts to power. Replace the battery if damaged. Reset the fault via the ECU diagnostic tool and restart. Consult the Weichai WP Series or a technician if unresolved.[](s://d/document/316940304/Weichai-flash-code-for-euro-3-pdf) |
| E1071 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1072 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM; Remove and inspect the fuel pipeline and filter; clean or replace as needed. Check for contamination in the fuel system. Verify fuel pump operation. Prime the fuel system after cleaning. Reset the fault via the ECU diagnostic tool and restart. Consult the Weichai WP Series or a technician if unresolved.[](s://dieselgeneratortech.wordpress/2019/07/06/common-faults-and-solutions-of-weichai-generator-engine/) |
| E1073 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit; Test the starter relay with a multimeter for proper operation; replace if defective. Inspect relay wiring for shorts |
| E1074 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver; Check the engine oil level using the dipstick; top up with the recommended oil (e.g. |
| E1075 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1076 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor; Drain the fuel filter to remove water. Inspect the fuel tank and lines for water contamination; replace fuel if contaminated. Test the water-in-fuel (WIF) sensor and wiring for faults; replace if defective. Reset the fault via the ECU diagnostic tool and restart. Consult the Weichai WP Series or a technician if unresolved.[](s://dbdieselgenerator/generator-sets/typical-fault-codes-of-generator-sets.html) |
| E1077 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak; Test the MAP sensor with a multimeter for proper voltage and resistance; replace if defective. Inspect sensor wiring for shorts |
| E1078 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1079 | Oil Pressure High | Blocked oil passage; faulty pressure regulator; opens | Flush oil galleries; replace regulator; Test the ECT sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1080 | Oil Temperature High | Blocked oil cooler; low oil level; top oil; opens | Clean/replace oil cooler; Test the TPS with a multimeter for proper voltage (0–5V range); replace if defective. Inspect sensor wiring for shorts |
| E1081 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1082 | Turbo Overspeed | ECM miscalibration; faulty actuator | Update ECM software; reset actuator; Verify the electrical load for irregularities causing voltage spikes. Test the alternator voltage regulator for faults; replace if defective. Inspect alternator output cables for shorts to power. Reset the fault via the ECU diagnostic tool and restart. Consult the Weichai WP Series or a technician if unresolved. |
| E1083 | Air Filter Restriction | Clogged air filter; Reduce the electrical load if exceeding the generator’s rated capacity. Inspect alternator output cables for loose or damaged connections. Test the alternator voltage regulator and excitation circuit | Replace air filter; inspect intake; replace if faulty. Check the alternator belt for slip or wear; adjust or replace. Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. |
| E1084 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short; opens | Replace sensor; check wiring harness; Test the fuel pump for operation; replace if no activity is detected. Inspect pump wiring and relay for shorts |
| E1085 | Camshaft Position Sensor Fault | Loose timing; failed sensor; triggering a shutdown. | Reset timing; replace sensor |
| E1086 | Manifold Pressure Sensor Fault | Short circuit; contamination; ensure it meets nominal RPM (e.g.; 1500 RPM for 50 Hz). Inspect the fuel system for restrictions | Clean/replace sensor; test wiring; Check the engine speed via the ECU diagnostic tool |
| E1087 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1088 | EGR Valve Fault | Carbon buildup; valve stuck; redistribute loads to balance them. Inspect alternator output cables for loose or damaged connections. Test phase voltages with a multimeter to confirm balance. Check alternator windings for faults. Reset the fault via the ECU diagnostic tool and restart. Consult the Weichai WP Series or a certified technician if unresolved. | Clean or replace EGR valve; Check load distribution across all phases |
| E1089 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen; opens | check sensors; Test the shutdown solenoid for operation; replace if defective. Inspect solenoid wiring for shorts |
| E1090 | Alternator Under Voltage | Loose belt; alternator fault; opens | Tighten belt; replace alternator; Test the fuel solenoid valve for operation; replace if defective. Inspect valve wiring for shorts |
| E1091 | Alternator Over Voltage | Faulty regulator; affecting cold starts. | Replace regulator/alternator |
| E1092 | ECM Power Supply Fault | Loose battery cables; blown fuse; opens | Tighten cables; replace fuse; Inspect the excitation circuit wiring for shorts |
| E1093 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST; blocked muffler). Verify the cooling system is functioning correctly. Test the exhaust temperature sensor and wiring for faults | Inspect the exhaust system for restrictions (e.g.; replace if defective. Check for over-fueling or excessive load. Reset the fault via the ECU diagnostic tool and restart. Consult the Weichai WP Series or a technician if unresolved. |
| E1094 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault; SAE 15W-40) if low. Inspect the oil cooling system for blockages or pump failure. Test the oil temperature sensor and wiring for faults | Inspect wiring; test ECM; Check the oil level; top up with the recommended oil (e.g.; replace if defective. Ensure proper engine ventilation. Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. |
| E1095 | CAN Communication Loss - ECM to Governor | Governor module failure; opens; or loose connections. Verify turbocharger operation and boost pressure ly if possible. Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. | Replace governor; test wiring; Test the boost pressure sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1096 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure; Ensure proper ventilation around the control panel; clear blocked vents. Check for excessive ambient heat. Test the control panel cooling fan (if equipped) and wiring | Inspect governor; recalibrate fuel system; replace if faulty. Relocate the generator if ambient conditions are too hot. Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. |
| E1097 | Engine Underspeed | Low fuel delivery; clogged filters; Reduce the electrical load by disconnecting non-essential appliances. Verify the load is within the generator’s rated capacity. Inspect alternator output cables for shorts or damage. Test the alternator for internal faults (e.g.; shorted windings). Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. | Replace filters; test fuel delivery |
| E1098 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1099 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM; Test the fuel injectors with a diagnostic tool; replace any defective injectors. Inspect injector wiring for shorts |
| E1100 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit; Inspect the alternator cooling fan for operation; replace if defective. Check fan wiring for shorts |
| E1101 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver; Test the throttle actuator for proper operation; replace if defective. Inspect actuator wiring and control signals for shorts |
| E1102 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1103 | Coolant Temperature Low | Thermostat stuck open; sensor fault; 12V or 24V). Test the display unit | Replace thermostat; test sensor; Check the control panel display connections for loose or damaged wiring. Verify the display power supply is within specifications (e.g.; replace if defective. Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. |
| E1104 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak; Inspect the EGR valve for proper operation; clean or replace if stuck or defective. Test EGR valve wiring and control signals for faults; repair or replace as needed. Verify the EGR system for blockages. Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. |
| E1105 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1106 | Oil Pressure High | Blocked oil passage; faulty pressure regulator; opens | Flush oil galleries; replace regulator; Test the shutdown solenoid for operation; replace if defective. Inspect solenoid wiring for shorts |
| E1107 | Oil Temperature High | Blocked oil cooler; low oil level; top oil; opens | Clean/replace oil cooler; Test the fuel solenoid valve for operation; replace if defective. Inspect valve wiring for shorts |
| E1108 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1109 | Turbo Overspeed | ECM miscalibration; faulty actuator; opens | Update ECM software; reset actuator; Inspect the excitation circuit wiring for shorts |
| E1110 | Air Filter Restriction | Clogged air filter; blocked muffler). Verify the cooling system is functioning correctly. Test the exhaust temperature sensor and wiring for faults | Replace air filter; inspect intake; Inspect the exhaust system for restrictions (e.g.; replace if defective. Check for over-fueling or excessive load. Reset the fault via the ECU diagnostic tool and restart. Consult the Weichai WP Series or a technician if unresolved. |
| E1111 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short; SAE 15W-40) if low. Inspect the oil cooling system for blockages or pump failure. Test the oil temperature sensor and wiring for faults | Replace sensor; check wiring harness; Check the oil level; top up with the recommended oil (e.g.; replace if defective. Ensure proper engine ventilation. Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. |
| E1112 | Camshaft Position Sensor Fault | Loose timing; failed sensor; opens | Reset timing; replace sensor; Test the boost pressure sensor with a multimeter for proper resistance; replace if defective. Inspect sensor wiring for shorts |
| E1113 | Manifold Pressure Sensor Fault | Short circuit; contamination; Ensure proper ventilation around the control panel; clear blocked vents. Check for excessive ambient heat. Test the control panel cooling fan (if equipped) and wiring | Clean/replace sensor; test wiring; replace if faulty. Relocate the generator if ambient conditions are too hot. Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. |
| E1114 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1115 | EGR Valve Fault | Carbon buildup; valve stuck; opens; or loose connections. Verify fan power supply and control signals. Ensure proper ventilation around the radiator. Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. | Clean or replace EGR valve; Inspect the cooling fan for operation; replace if defective. Check fan wiring for shorts |
| E1116 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen; opens | check sensors; Test the fuel injectors with a diagnostic tool; replace any defective injectors. Inspect injector wiring for shorts |
| E1117 | Alternator Under Voltage | Loose belt; alternator fault; opens | Tighten belt; replace alternator; Inspect the alternator cooling fan for operation; replace if defective. Check fan wiring for shorts |
| E1118 | Alternator Over Voltage | Faulty regulator; opens; or loose connections. Verify the governor settings in the ECU. Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. | Replace regulator/alternator; Test the throttle actuator for proper operation; replace if defective. Inspect actuator wiring and control signals for shorts |
| E1119 | ECM Power Supply Fault | Loose battery cables; blown fuse; opens | Tighten cables; replace fuse; Test the fuel pump relay with a multimeter for proper operation; replace if defective. Inspect relay wiring for shorts |
| E1120 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST; 12V or 24V). Test the display unit | Check the control panel display connections for loose or damaged wiring. Verify the display power supply is within specifications (e.g.; replace if defective. Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. |
| E1121 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault | Inspect wiring; test ECM; Inspect the EGR valve for proper operation; clean or replace if stuck or defective. Test EGR valve wiring and control signals for faults; repair or replace as needed. Verify the EGR system for blockages. Reset the fault via the ECU diagnostic tool and restart. to the Weichai WP Series or a technician if unresolved. |
| E1122 | CAN Communication Loss - ECM to Governor | Governor module failure | Replace governor; test wiring; Check coolant level; top up with recommended coolant (e.g. |
| E1123 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure | Inspect governor; recalibrate fuel system; Check oil level using dipstick; top up with recommended oil (e.g. |
| E1124 | Engine Underspeed | Low fuel delivery; clogged filters | Replace filters; test fuel delivery; Drain fuel filter to remove water. Inspect fuel tank and lines for water contamination; replace fuel if contaminated. Test water-in-fuel sensor and wiring; replace if defective. Reset fault via ECU diagnostic tool and restart. |
| E1125 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1126 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck; ensure nominal RPM (e.g. | Inspect injectors; replace relief valve; recalibrate ECM; Check engine speed via ECU diagnostic tool |
| E1127 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit; Test injector 1 with a diagnostic tool; replace if defective. Inspect injector wiring for shorts |
| E1128 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver; Test injector 2 with a diagnostic tool; replace if defective. Inspect injector wiring for shorts |
| E1129 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1130 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor; Test injector 4 with a diagnostic tool; replace if defective. Inspect injector wiring for shorts |
| E1131 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak; Check DEF tank level; refill with proper DEF fluid if low. Inspect DEF injector and lines for blockages or leaks. Test DEF quality with a refractometer. Verify SCR system sensors and wiring; replace if defective. Reset fault via ECU diagnostic tool and restart. |
| E1132 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1133 | Oil Pressure High | Blocked oil passage; faulty pressure regulator; such as being unplugged | Flush oil galleries; replace regulator; Check for stepper motor or mixer assembly issues |
| E1134 | Oil Temperature High | Blocked oil cooler; low oil level; top oil; due to stepper/mixer problems. | Clean/replace oil cooler |
| E1135 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1136 | Turbo Overspeed | ECM miscalibration; faulty actuator; or an internal engine problem not building oil pressure. | Update ECM software; reset actuator |
| E1137 | Air Filter Restriction | Clogged air filter; damaged ignition coils | Replace air filter; inspect intake |
| E1138 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short; bad starter | Replace sensor; check wiring harness |
| E1139 | Camshaft Position Sensor Fault | Loose timing; failed sensor; damaged ignition coils | Reset timing; replace sensor |
| E1140 | Manifold Pressure Sensor Fault | Short circuit; contamination; and starting system | Clean/replace sensor; test wiring |
| E1141 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1142 | EGR Valve Fault | Carbon buildup; valve stuck; see Section 5.10.2). Replace wiring or switch if faulty. | Clean or replace EGR valve |
| E1143 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen; R x 100 scale | check sensors |
| E1144 | Alternator Under Voltage | Loose belt; alternator fault; R x 1000 scale | Tighten belt; replace alternator |
| E1145 | Alternator Over Voltage | Faulty regulator | Replace regulator/alternator; Inspect sensor and wiring for intermittent faults. Replace sensor if necessary. |
| E1146 | ECM Power Supply Fault | Loose battery cables; blown fuse | Tighten cables; replace fuse; Check sensor signal. Inspect for damage. Replace sensor if faulty. |
| E1147 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST | Inspect switch and wiring for intermittent issues. Replace switch if necessary. |
| E1148 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault | Inspect wiring; test ECM; Check pedal position sensor and wiring. Replace sensor if faulty. |
| E1149 | CAN Communication Loss - ECM to Governor | Governor module failure | Replace governor; test wiring; Inspect sensor signal. Replace if faulty. |
| E1150 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure | Inspect governor; recalibrate fuel system; Check throttle position sensor and wiring. Replace sensor if necessary. |
| E1151 | Engine Underspeed | Low fuel delivery; clogged filters | Replace filters; test fuel delivery; Inspect sensor signal. Replace if faulty. |
| E1152 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1153 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck; and fuel system for cylinder 2. Reset ECU and test. | Inspect injectors; replace relief valve; recalibrate ECM |
| E1154 | Fuel Temperature High | Return fuel overheated; cooling failure; and fuel system for cylinder 3. Reset ECU and test. | Check fuel cooler; replace lines; verify cooling circuit |
| E1155 | Fuel Injector Fault | Open/short circuit; injector internal failure; and fuel system for cylinder 4. Reset ECU and test. | Replace faulty injector; check harness; test ECM driver |
| E1156 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1157 | Coolant Temperature Low | Thermostat stuck open; sensor fault; and spark plugs (if applicable). Inspect cylinders. Reset ECU and test. | Replace thermostat; test sensor |
| E1158 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test; Locate the emergency stop button on the generator control panel. Release or reset the button by twisting or pulling it as per the design. Check for any conditions that prompted the activation (e.g. | Inspect hoses; repair leak |
| E1159 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1160 | Oil Pressure High | Blocked oil passage; faulty pressure regulator; loose connections | Flush oil galleries; replace regulator; Check the engine oil level using the dipstick; top up with the recommended oil type if low. Inspect for oil leaks around the engine and oil lines. Verify the oil pressure sensor and its wiring for faults (e.g. |
| E1161 | Oil Temperature High | Blocked oil cooler; low oil level; top oil; radiator | Clean/replace oil cooler; Check the coolant level in the radiator or reservoir; top up with the recommended coolant if low. Inspect for leaks in the cooling system (hoses |
| E1162 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1163 | Turbo Overspeed | ECM miscalibration; faulty actuator; hoses | Update ECM software; reset actuator; Check the radiator or coolant reservoir level; top up with the recommended coolant type. Inspect the cooling system for leaks (e.g. |
| E1164 | Air Filter Restriction | Clogged air filter; Immediately reduce the electrical load by disconnecting appliances. Inspect all alternator output cables and connections for shorts; damage; or loose terminals. Verify the load is within the generator’s rated capacity. Test the alternator for internal faults (e.g. | Replace air filter; inspect intake |
| E1165 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short; stuck injector | Replace sensor; check wiring harness; Check the throttle or governor settings for proper calibration. Inspect the fuel system for issues causing over-fueling (e.g. |
| E1166 | Camshaft Position Sensor Fault | Loose timing; failed sensor; charge the battery if below 12.4V (for 12V systems). Inspect battery terminals and cables for corrosion or loose connections | Reset timing; replace sensor; Measure the battery voltage with a multimeter; clean or tighten as needed. Test the battery condition; replace if it cannot hold a charge. Check the charging alternator or external charger for proper operation. Reset the alarm. to the SDMO if the alarm recurs. |
| E1167 | Manifold Pressure Sensor Fault | Short circuit; contamination; Immediately charge the battery or replace it if it cannot hold a charge (below 11.5V for 12V systems). Inspect battery cables and terminals for corrosion; damage | Clean/replace sensor; test wiring |
| E1168 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1169 | EGR Valve Fault | Carbon buildup; valve stuck; Immediately check the battery voltage; if above 15V (for 12V systems); disconnect the charger or alternator to prevent damage. Inspect the voltage regulator and charging system for faults causing overcharging. Check battery cables for shorts to power. Replace the battery if damaged. Repair the charging system. Reset the fault and restart. Contact a technician or to the SDMO if unresolved. | Clean or replace EGR valve |
| E1170 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen; Immediately reduce the electrical load. Inspect all alternator output cables and connections for loose terminals or damage. Test the alternator voltage regulator and excitation circuit for faults. Check the alternator belt for slip or wear; damaged windings). Reset the fault and restart. Consult the SDMO or a technician if unresolved. | check sensors; adjust or replace as needed. Test the alternator for internal faults (e.g. |
| E1171 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1172 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck; ensure it matches the nominal RPM (e.g. | Inspect injectors; replace relief valve; recalibrate ECM; Check the engine speed |
| E1173 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit; Verify the engine speed is at the correct RPM for the desired frequency (e.g. |
| E1174 | Fuel Injector Fault | Open/short circuit; injector internal failure; ensure it does not exceed the nominal RPM (e.g. | Replace faulty injector; check harness; test ECM driver; Check the engine speed |
| E1175 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1176 | Coolant Temperature Low | Thermostat stuck open; sensor fault; shorts | Replace thermostat; test sensor; Check the oil level and top up if low with the recommended oil type. Inspect the oil cooling system for blockages or pump failure. Verify the oil temperature sensor and wiring for faults (e.g. |
| E1177 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak; Check the oil level using the dipstick; top up with the recommended oil if low. Inspect for oil leaks in the engine |
| E1178 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1179 | Oil Pressure High | Blocked oil passage; faulty pressure regulator; block heater) for power supply issues or failure. Check wiring and connections for shorts | Flush oil galleries; replace regulator; Inspect the water preheating system (e.g. |
| E1180 | Oil Temperature High | Blocked oil cooler; low oil level; top oil; to the SDMO or contact a technician. | Clean/replace oil cooler; Inspect the electrical system for ground faults or imbalances. Check differential protection relay wiring and settings. Verify load connections for faults or shorts. Reset the alarm and test operation. If the alarm persists |
| E1181 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1182 | Turbo Overspeed | ECM miscalibration; faulty actuator; Immediately test the insulation resistance of the generator’s output cables and windings using a megger. Inspect for damaged insulation or moisture ingress. Check the insulation monitor wiring and settings. Repair or replace faulty components. Reset the fault and restart. Consult the SDMO or a technician if unresolved. | Update ECM software; reset actuator |
| E1183 | Air Filter Restriction | Clogged air filter; 13.5–14.5V for 12V systems). Inspect charger wiring and connections for shorts; opens | Replace air filter; inspect intake; Check the battery charger for proper output voltage (e.g. |
| E1184 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short; Immediately test the battery charger output; opens | Replace sensor; check wiring harness; replace if no output or incorrect voltage is detected. Inspect charger wiring for shorts |
| E1185 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor; Inspect the air cooler system for blockages or fan failure. Check the cooler’s electrical connections and control wiring for faults. Verify the cooler motor and overload protection settings. Reset the fault and test operation. to the SDMO or a technician if unresolved. |
| E1186 | Manifold Pressure Sensor Fault | Short circuit; contamination; hoses | Clean/replace sensor; test wiring; Check the coolant level in the air cooler system; top up with the recommended coolant. Inspect for leaks in the cooler |
| E1187 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1188 | EGR Valve Fault | Carbon buildup; valve stuck; Immediately reduce the electrical load by disconnecting non-essential appliances. Inspect alternator output cables for shorts or damage. Test the alternator for internal faults (e.g.; shorted windings). Verify load connections for faulty appliances. Reset the fault on the MICS Telys panel and restart. Consult the SDMO or a technician if unresolved. | Clean or replace EGR valve |
| E1189 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen; ensure loads are balanced. Inspect alternator output cables and connections for loose or damaged terminals. Test each phase output with a multimeter to verify voltage consistency. Check the alternator windings for faults. Reset the alarm on the control panel. If the issue persists; consult the SDMO TELYS1 or a certified technician. | check sensors; Check the electrical load distribution across all phases |
| E1190 | Alternator Under Voltage | Loose belt; alternator fault; Immediately verify load distribution across phases; redistribute loads to balance them. Inspect all alternator output cables for loose; damaged | Tighten belt; replace alternator |
| E1191 | Alternator Over Voltage | Faulty regulator; listen for pump activation during priming. Inspect fuel pump wiring and connections for shorts; opens; or loose terminals. Verify fuel supply and check for blockages in the fuel line. Test the pump relay | Replace regulator/alternator; Check the fuel pump for proper operation; replace if faulty. Reset the alarm. to the SDMO TELYS1 or a technician if the issue persists. |
| E1192 | ECM Power Supply Fault | Loose battery cables; blown fuse; opens | Tighten cables; replace fuse; Inspect the fuel pump for operation; replace if no activity is detected. Check fuel pump wiring and connections for shorts |
| E1193 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST; debris in ducts). Verify the air intake pressure sensor and wiring for faults (e.g.; shorts; opens). Replace the sensor if defective. Reset the alarm. to the SDMO TELYS1 or a technician if the issue persists. | Inspect the air filter; clean or replace if clogged. Check the air intake system for blockages or obstructions (e.g. |
| E1194 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault; Immediately replace the air filter if clogged. Inspect the entire air intake system for blockages; collapsed hoses | Inspect wiring; test ECM |
| E1195 | CAN Communication Loss - ECM to Governor | Governor module failure; Immediately inspect the exhaust system for blockages or restrictions. Verify the cooling system (radiator; coolant) is functioning correctly. Test the exhaust temperature sensor and wiring | Replace governor; test wiring; replace if faulty. Check for over-fueling or excessive load conditions. Reset the fault and restart. Consult the SDMO TELYS1 or a technician if unresolved. |
| E1196 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure; charge or replace if low. Inspect the starter motor and solenoid for faults | Inspect governor; recalibrate fuel system; Check the battery voltage (ensure above 12.4V for 12V systems); test wiring for shorts or opens. Verify fuel supply and prime the system if needed. Reset the alarm and attempt to start. to the SDMO TELYS1 or a technician if unresolved. |
| E1197 | Engine Underspeed | Low fuel delivery; clogged filters; Immediately verify battery voltage; charge or replace if below 11.5V. Inspect the starter motor; solenoid | Replace filters; test fuel delivery |
| E1198 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1199 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck; Immediately disconnect non-essential loads to reduce the electrical demand. Verify the load is within the generator’s rated capacity. Inspect alternator output cables and connections for faults. Test the alternator for internal issues (e.g. | Inspect injectors; replace relief valve; recalibrate ECM |
| E1200 | Fuel Temperature High | Return fuel overheated; cooling failure; Immediately ensure proper ventilation and cooling around the control panel. Check for blocked vents or heat sources. Test the control panel cooling fan and wiring | Check fuel cooler; replace lines; verify cooling circuit; replace if defective. Relocate the generator if ambient conditions are too hot. Reset the fault and restart. Consult the SDMO TELYS1 or a technician if unresolved. |
| E1201 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver; Test the engine temperature sensor (coolant or oil) with a multimeter for correct resistance; replace if faulty. Inspect sensor wiring for shorts |
| E1202 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1203 | Coolant Temperature Low | Thermostat stuck open; sensor fault; opens | Replace thermostat; test sensor; Test the oil pressure sensor with a multimeter for correct resistance; replace if faulty. Inspect sensor wiring for shorts |
| E1204 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak; Test the alternator voltage sensor for proper operation; replace if defective. Inspect sensor wiring for shorts |
| E1205 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1206 | Oil Pressure High | Blocked oil passage; faulty pressure regulator; opens | Flush oil galleries; replace regulator; Test the coolant level sensor for proper operation; replace if defective. Inspect sensor wiring for shorts |
| E1207 | Oil Temperature High | Blocked oil cooler; low oil level; top oil; opens | Clean/replace oil cooler; Test the exhaust temperature sensor with a multimeter for correct resistance; replace if faulty. Inspect sensor wiring for shorts |
| E1208 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1209 | Turbo Overspeed | ECM miscalibration; faulty actuator; opens | Update ECM software; reset actuator; Test the starter relay for proper operation; replace if defective. Inspect relay wiring for shorts |
| E1210 | Air Filter Restriction | Clogged air filter; affecting cold starts. | Replace air filter; inspect intake |
| E1211 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short; glow plugs | Replace sensor; check wiring harness; Check the preheating system components (e.g. |
| E1212 | Camshaft Position Sensor Fault | Loose timing; failed sensor; opens | Reset timing; replace sensor; Test the fuel solenoid valve for proper operation; replace if defective. Inspect valve wiring for shorts |
| E1213 | Manifold Pressure Sensor Fault | Short circuit; contamination; Immediately test the fuel solenoid valve; opens | Clean/replace sensor; test wiring; replace if no operation is detected. Check wiring for shorts |
| E1214 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1215 | EGR Valve Fault | Carbon buildup; valve stuck; Immediately check the excitation circuit wiring for shorts; opens; or damage. Test the voltage regulator and excitation coil | Clean or replace EGR valve; replace if faulty. Inspect alternator brushes for wear; replace if needed. Verify alternator output with a multimeter. Reset the fault on the TELYS1 panel and restart. Consult the SDMO TELYS1 or a technician if unresolved. |
| E1216 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen; opens | check sensors; Test the shutdown solenoid for proper operation; replace if defective. Inspect solenoid wiring for shorts |
| E1217 | Alternator Under Voltage | Loose belt; alternator fault; Immediately test the shutdown solenoid; opens | Tighten belt; replace alternator; replace if no operation is detected. Check wiring for shorts |
| E1218 | Alternator Over Voltage | Faulty regulator; RS485; CAN bus) for shorts; opens | Replace regulator/alternator; Inspect communication cables (e.g. |
| E1219 | ECM Power Supply Fault | Loose battery cables; blown fuse; Immediately inspect communication cables (e.g.; RS485 | Tighten cables; replace fuse |
| E1220 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST | Replace the oil filter with a manufacturer-approved filter. Check the oil system for contamination or blockages. Verify the oil pressure sensor readings. Reset the fault on the MICS Telys panel and restart. to the SDMO MICS Telys or a technician if unresolved. |
| E1221 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault; opens | Inspect wiring; test ECM; Test the frequency sensor with a multimeter for proper operation; replace if defective. Inspect sensor wiring for shorts |
| E1222 | CAN Communication Loss - ECM to Governor | Governor module failure | Replace governor; test wiring |
| E1223 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure | Inspect governor; recalibrate fuel system |
| E1224 | Engine Underspeed | Low fuel delivery; clogged filters | Replace filters; test fuel delivery |
| E1225 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1226 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM |
| E1227 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit |
| E1228 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver |
| E1229 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1230 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor |
| E1231 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak |
| E1232 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1233 | Oil Pressure High | Blocked oil passage; faulty pressure regulator | Flush oil galleries; replace regulator |
| E1234 | Oil Temperature High | Blocked oil cooler; low oil level; top oil | Clean/replace oil cooler |
| E1235 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1236 | Turbo Overspeed | ECM miscalibration; faulty actuator | Update ECM software; reset actuator |
| E1237 | Air Filter Restriction | Clogged air filter | Replace air filter; inspect intake |
| E1238 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short | Replace sensor; check wiring harness |
| E1239 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor |
| E1240 | Manifold Pressure Sensor Fault | Short circuit; contamination | Clean/replace sensor; test wiring |
| E1241 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1242 | EGR Valve Fault | Carbon buildup; valve stuck | Clean or replace EGR valve |
| E1243 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen | check sensors |
| E1244 | Alternator Under Voltage | Loose belt; alternator fault | Tighten belt; replace alternator |
| E1245 | Alternator Over Voltage | Faulty regulator | Replace regulator/alternator |
| E1246 | ECM Power Supply Fault | Loose battery cables; blown fuse | Tighten cables; replace fuse |
| E1247 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST | — |
| E1248 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault | Inspect wiring; test ECM |
| E1249 | CAN Communication Loss - ECM to Governor | Governor module failure | Replace governor; test wiring |
| E1250 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure | Inspect governor; recalibrate fuel system |
| E1251 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1252 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM |
| E1253 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit |
| E1254 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver |
| E1255 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1256 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor |
| E1257 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak |
| E1258 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1259 | Oil Pressure High | Blocked oil passage; faulty pressure regulator | Flush oil galleries; replace regulator |
| E1260 | Oil Temperature High | Blocked oil cooler; low oil level; top oil | Clean/replace oil cooler |
| E1261 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1262 | Turbo Overspeed | ECM miscalibration; faulty actuator | Update ECM software; reset actuator |
| E1263 | Air Filter Restriction | Clogged air filter | Replace air filter; inspect intake |
| E1264 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short | Replace sensor; check wiring harness |
| E1265 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor |
| E1266 | Manifold Pressure Sensor Fault | Short circuit; contamination | Clean/replace sensor; test wiring |
| E1267 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1268 | EGR Valve Fault | Carbon buildup; valve stuck | Clean or replace EGR valve |
| E1269 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen | check sensors |
| E1270 | Alternator Under Voltage | Loose belt; alternator fault | Tighten belt; replace alternator |
| E1271 | Alternator Over Voltage | Faulty regulator | Replace regulator/alternator |
| E1272 | ECM Power Supply Fault | Loose battery cables; blown fuse | Tighten cables; replace fuse |
| E1273 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST | — |
| E1274 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault | Inspect wiring; test ECM |
| E1275 | CAN Communication Loss - ECM to Governor | Governor module failure | Replace governor; test wiring |
| E1276 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure | Inspect governor; recalibrate fuel system |
| E1277 | Engine Underspeed | Low fuel delivery; clogged filters | Replace filters; test fuel delivery |
| E1278 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1279 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM |
| E1280 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit |
| E1281 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver |
| E1282 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1283 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor |
| E1284 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak |
| E1285 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1286 | Oil Pressure High | Blocked oil passage; faulty pressure regulator | Flush oil galleries; replace regulator |
| E1287 | Oil Temperature High | Blocked oil cooler; low oil level; top oil | Clean/replace oil cooler |
| E1288 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1289 | Turbo Overspeed | ECM miscalibration; faulty actuator | Update ECM software; reset actuator |
| E1290 | Air Filter Restriction | Clogged air filter | Replace air filter; inspect intake |
| E1291 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short | Replace sensor; check wiring harness |
| E1292 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor |
| E1293 | Manifold Pressure Sensor Fault | Short circuit; contamination | Clean/replace sensor; test wiring |
| E1294 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1295 | EGR Valve Fault | Carbon buildup; valve stuck | Clean or replace EGR valve |
| E1296 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen | check sensors |
| E1297 | Alternator Under Voltage | Loose belt; alternator fault | Tighten belt; replace alternator |
| E1298 | Alternator Over Voltage | Faulty regulator | Replace regulator/alternator |
| E1299 | ECM Power Supply Fault | Loose battery cables; blown fuse | Tighten cables; replace fuse |
| E1300 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST | — |
| E1301 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault | Inspect wiring; test ECM |
| E1302 | CAN Communication Loss - ECM to Governor | Governor module failure | Replace governor; test wiring |
| E1303 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure | Inspect governor; recalibrate fuel system |
| E1304 | Engine Underspeed | Low fuel delivery; clogged filters | Replace filters; test fuel delivery |
| E1305 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1306 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM |
| E1307 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit |
| E1308 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver |
| E1309 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1310 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor |
| E1311 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak |
| E1312 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1313 | Oil Pressure High | Blocked oil passage; faulty pressure regulator | Flush oil galleries; replace regulator |
| E1314 | Oil Temperature High | Blocked oil cooler; low oil level; top oil | Clean/replace oil cooler |
| E1315 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1316 | Turbo Overspeed | ECM miscalibration; faulty actuator | Update ECM software; reset actuator |
| E1317 | Air Filter Restriction | Clogged air filter | Replace air filter; inspect intake |
| E1318 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short | Replace sensor; check wiring harness |
| E1319 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor |
| E1320 | Manifold Pressure Sensor Fault | Short circuit; contamination | Clean/replace sensor; test wiring |
| E1321 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1322 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM |
| E1323 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit |
| E1324 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver |
| E1325 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1326 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor |
| E1327 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak |
| E1328 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1329 | Oil Pressure High | Blocked oil passage; faulty pressure regulator | Flush oil galleries; replace regulator |
| E1330 | Oil Temperature High | Blocked oil cooler; low oil level; top oil | Clean/replace oil cooler |
| E1331 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1332 | Turbo Overspeed | ECM miscalibration; faulty actuator | Update ECM software; reset actuator |
| E1333 | Air Filter Restriction | Clogged air filter | Replace air filter; inspect intake |
| E1334 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short | Replace sensor; check wiring harness |
| E1335 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor |
| E1336 | Manifold Pressure Sensor Fault | Short circuit; contamination | Clean/replace sensor; test wiring |
| E1337 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1338 | EGR Valve Fault | Carbon buildup; valve stuck | Clean or replace EGR valve |
| E1339 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen | check sensors |
| E1340 | Alternator Under Voltage | Loose belt; alternator fault | Tighten belt; replace alternator |
| E1341 | Alternator Over Voltage | Faulty regulator | Replace regulator/alternator |
| E1342 | ECM Power Supply Fault | Loose battery cables; blown fuse | Tighten cables; replace fuse |
| E1343 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST | — |
| E1344 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault | Inspect wiring; test ECM |
| E1345 | CAN Communication Loss - ECM to Governor | Governor module failure | Replace governor; test wiring |
| E1346 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure | Inspect governor; recalibrate fuel system |
| E1347 | Engine Underspeed | Low fuel delivery; clogged filters | Replace filters; test fuel delivery |
| E1348 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1349 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM |
| E1350 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit |
| E1351 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver |
| E1352 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1353 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor |
| E1354 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak |
| E1355 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1356 | Oil Pressure High | Blocked oil passage; faulty pressure regulator | Flush oil galleries; replace regulator |
| E1357 | Oil Temperature High | Blocked oil cooler; low oil level; top oil | Clean/replace oil cooler |
| E1358 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1359 | Turbo Overspeed | ECM miscalibration; faulty actuator | Update ECM software; reset actuator |
| E1360 | Air Filter Restriction | Clogged air filter | Replace air filter; inspect intake |
| E1361 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short | Replace sensor; check wiring harness |
| E1362 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor |
| E1363 | Manifold Pressure Sensor Fault | Short circuit; contamination | Clean/replace sensor; test wiring |
| E1364 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1365 | EGR Valve Fault | Carbon buildup; valve stuck | Clean or replace EGR valve |
| E1366 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen | check sensors |
| E1367 | Alternator Under Voltage | Loose belt; alternator fault | Tighten belt; replace alternator |
| E1368 | Alternator Over Voltage | Faulty regulator | Replace regulator/alternator |
| E1369 | ECM Power Supply Fault | Loose battery cables; blown fuse | Tighten cables; replace fuse |
| E1370 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST | — |
| E1371 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault | Inspect wiring; test ECM |
| E1372 | CAN Communication Loss - ECM to Governor | Governor module failure | Replace governor; test wiring |
| E1373 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure | Inspect governor; recalibrate fuel system |
| E1374 | Engine Underspeed | Low fuel delivery; clogged filters | Replace filters; test fuel delivery |
| E1375 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1376 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM |
| E1377 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit |
| E1378 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver |
| E1379 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1380 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor |
| E1381 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak |
| E1382 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1383 | Oil Pressure High | Blocked oil passage; faulty pressure regulator | Flush oil galleries; replace regulator |
| E1384 | Oil Temperature High | Blocked oil cooler; low oil level; top oil | Clean/replace oil cooler |
| E1385 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1386 | Turbo Overspeed | ECM miscalibration; faulty actuator | Update ECM software; reset actuator |
| E1387 | Air Filter Restriction | Clogged air filter | Replace air filter; inspect intake |
| E1388 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short | Replace sensor; check wiring harness |
| E1389 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor |
| E1390 | Manifold Pressure Sensor Fault | Short circuit; contamination | Clean/replace sensor; test wiring |
| E1391 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1392 | EGR Valve Fault | Carbon buildup; valve stuck | Clean or replace EGR valve |
| E1393 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen | check sensors |
| E1394 | Alternator Under Voltage | Loose belt; alternator fault | Tighten belt; replace alternator |
| E1395 | Alternator Over Voltage | Faulty regulator | Replace regulator/alternator |
| E1396 | ECM Power Supply Fault | Loose battery cables; blown fuse | Tighten cables; replace fuse |
| E1397 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST | — |
| E1398 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault | Inspect wiring; test ECM |
| E1399 | CAN Communication Loss - ECM to Governor | Governor module failure | Replace governor; test wiring |
| E1400 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure | Inspect governor; recalibrate fuel system |
| E1401 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1402 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM |
| E1403 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit |
| E1404 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver |
| E1405 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1406 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor |
| E1407 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak |
| E1408 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1409 | Oil Pressure High | Blocked oil passage; faulty pressure regulator | Flush oil galleries; replace regulator |
| E1410 | Oil Temperature High | Blocked oil cooler; low oil level; top oil | Clean/replace oil cooler |
| E1411 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1412 | Turbo Overspeed | ECM miscalibration; faulty actuator | Update ECM software; reset actuator |
| E1413 | Air Filter Restriction | Clogged air filter | Replace air filter; inspect intake |
| E1414 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short | Replace sensor; check wiring harness |
| E1415 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor |
| E1416 | Manifold Pressure Sensor Fault | Short circuit; contamination | Clean/replace sensor; test wiring |
| E1417 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1418 | EGR Valve Fault | Carbon buildup; valve stuck | Clean or replace EGR valve |
| E1419 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen | check sensors |
| E1420 | Alternator Under Voltage | Loose belt; alternator fault | Tighten belt; replace alternator |
| E1421 | Alternator Over Voltage | Faulty regulator | Replace regulator/alternator |
| E1422 | ECM Power Supply Fault | Loose battery cables; blown fuse | Tighten cables; replace fuse |
| E1423 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST | — |
| E1424 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault | Inspect wiring; test ECM |
| E1425 | CAN Communication Loss - ECM to Governor | Governor module failure | Replace governor; test wiring |
| E1426 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure | Inspect governor; recalibrate fuel system |
| E1427 | Engine Underspeed | Low fuel delivery; clogged filters | Replace filters; test fuel delivery |
| E1428 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1429 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM |
| E1430 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit |
| E1431 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver |
| E1432 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1433 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor |
| E1434 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak |
| E1435 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1436 | Oil Pressure High | Blocked oil passage; faulty pressure regulator | Flush oil galleries; replace regulator |
| E1437 | Oil Temperature High | Blocked oil cooler; low oil level; top oil | Clean/replace oil cooler |
| E1438 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1439 | Turbo Overspeed | ECM miscalibration; faulty actuator | Update ECM software; reset actuator |
| E1440 | Air Filter Restriction | Clogged air filter | Replace air filter; inspect intake |
| E1441 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short | Replace sensor; check wiring harness |
| E1442 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor |
| E1443 | Manifold Pressure Sensor Fault | Short circuit; contamination | Clean/replace sensor; test wiring |
| E1444 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1445 | EGR Valve Fault | Carbon buildup; valve stuck | Clean or replace EGR valve |
| E1446 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen | check sensors |
| E1447 | Alternator Under Voltage | Loose belt; alternator fault | Tighten belt; replace alternator |
| E1448 | Alternator Over Voltage | Faulty regulator | Replace regulator/alternator |
| E1449 | ECM Power Supply Fault | Loose battery cables; blown fuse | Tighten cables; replace fuse |
| E1450 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST | — |
| E1451 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault | Inspect wiring; test ECM |
| E1452 | CAN Communication Loss - ECM to Governor | Governor module failure | Replace governor; test wiring |
| E1453 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure | Inspect governor; recalibrate fuel system |
| E1454 | Engine Underspeed | Low fuel delivery; clogged filters | Replace filters; test fuel delivery |
| E1455 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1456 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM |
| E1457 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit |
| E1458 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver |
| E1459 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1460 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor |
| E1461 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak |
| E1462 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1463 | Oil Pressure High | Blocked oil passage; faulty pressure regulator | Flush oil galleries; replace regulator |
| E1464 | Oil Temperature High | Blocked oil cooler; low oil level; top oil | Clean/replace oil cooler |
| E1465 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1466 | Turbo Overspeed | ECM miscalibration; faulty actuator | Update ECM software; reset actuator |
| E1467 | Air Filter Restriction | Clogged air filter | Replace air filter; inspect intake |
| E1468 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short | Replace sensor; check wiring harness |
| E1469 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor |
| E1470 | Manifold Pressure Sensor Fault | Short circuit; contamination | Clean/replace sensor; test wiring |
| E1471 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1472 | EGR Valve Fault | Carbon buildup; valve stuck | Clean or replace EGR valve |
| E1473 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen | check sensors |
| E1474 | Alternator Under Voltage | Loose belt; alternator fault | Tighten belt; replace alternator |
| E1475 | Alternator Over Voltage | Faulty regulator | Replace regulator/alternator |
| E1476 | ECM Power Supply Fault | Loose battery cables; blown fuse | Tighten cables; replace fuse |
| E1477 | ECM Internal Memory Error | Corrupted ECM software; Reflash ECM with Perkins EST | — |
| E1478 | CAN Communication Loss - ECM to Panel | Broken CAN wiring; ECM fault | Inspect wiring; test ECM |
| E1479 | CAN Communication Loss - ECM to Governor | Governor module failure | Replace governor; test wiring |
| E1480 | Engine Overspeed Shutdown | Fuel rack stuck; governor failure | Inspect governor; recalibrate fuel system |
| E1481 | Engine Underspeed | Low fuel delivery; clogged filters | Replace filters; test fuel delivery |
| E1482 | Low Fuel Rail Pressure | Clogged filter; weak transfer pump; air in lines | Replace filter; test pump; bleed fuel system |
| E1483 | High Fuel Rail Pressure | Injector leak; pressure relief valve stuck | Inspect injectors; replace relief valve; recalibrate ECM |
| E1484 | Fuel Temperature High | Return fuel overheated; cooling failure | Check fuel cooler; replace lines; verify cooling circuit |
| E1485 | Fuel Injector Fault | Open/short circuit; injector internal failure | Replace faulty injector; check harness; test ECM driver |
| E1486 | Coolant Temperature High | Low coolant; blocked radiator; water pump failure; Top coolant | flush radiator; test/replace pump |
| E1487 | Coolant Temperature Low | Thermostat stuck open; sensor fault | Replace thermostat; test sensor |
| E1488 | Coolant Level Low | Leak in hoses or radiator; expansion tank issue; pressure test | Inspect hoses; repair leak |
| E1489 | Oil Pressure Low | Oil leak; worn oil pump; low oil level; Top oil | test/replace oil pump; inspect for leaks |
| E1490 | Oil Pressure High | Blocked oil passage; faulty pressure regulator | Flush oil galleries; replace regulator |
| E1491 | Oil Temperature High | Blocked oil cooler; low oil level; top oil | Clean/replace oil cooler |
| E1492 | Turbo Boost Low | Air hose leak; turbo wear; actuator fault | Replace hose; service turbo; calibrate actuator |
| E1493 | Turbo Overspeed | ECM miscalibration; faulty actuator | Update ECM software; reset actuator |
| E1494 | Air Filter Restriction | Clogged air filter | Replace air filter; inspect intake |
| E1495 | Crankshaft Position Sensor Fault | Sensor damaged; wiring short | Replace sensor; check wiring harness |
| E1496 | Camshaft Position Sensor Fault | Loose timing; failed sensor | Reset timing; replace sensor |
| E1497 | Manifold Pressure Sensor Fault | Short circuit; contamination | Clean/replace sensor; test wiring |
| E1498 | Exhaust Temperature High | Over-fueling; blocked DPF; restricted exhaust | Check injectors; clean/replace DPF; inspect exhaust |
| E1499 | EGR Valve Fault | Carbon buildup; valve stuck | Clean or replace EGR valve |
| E1500 | DPF High Soot Load | Failed regeneration; excessive idling; Perform forced regen | check sensors |
Codes and descriptions are industry-standard identifiers reproduced for identification only. This reference is not affiliated with or endorsed by Perkins; for official procedures always refer to the manufacturer’s service manual for your specific engine. A dash means our registry holds no verified entry for that column — we publish the gap rather than fill it in.
Send us the code and the engine serial. We diagnose Perkins sets on site across all 47 counties, and repair controllers at board level on the bench in Embakasi.