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Fuel supply pressure to the injection system is below required specification. Low fuel pressure causes hard starting, power loss, rough running, and can lead to injector damage from inadequate lubrication.
Need parts? Call us with your engine or controller model and we will confirm what we can supply and when.Call +254 768 860 665
Perkins recommends fuel filter replacement every 250-500 hours or annually, whichever comes first. In areas with poor fuel quality, more frequent changes may be needed.
Open the bleed screw on the fuel filter housing, operate the manual lift pump or electric pump until bubble-free fuel flows, then close the bleed screw. Crank engine and repeat if needed.
Send us the code or alarm and what the generator is doing, and one of our engineers will help you diagnose it.
Search other controller alarms and engine fault codes, with troubleshooting steps, in Generator Oracle.
Launch Generator Oracle →Full diagnostic guide
A fault code names a symptom, not a cause. Our engineers have written the diagnostic sequence they use on site for this class of fault — ranked causes, ordered steps with the reading expected at each one, and the point at which to stop and call someone.
8 diagnostic steps · intermediate · technician
10 diagnostic steps · intermediate · technician
9 diagnostic steps · intermediate · technician