Section 5
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Fault Finding Harrington Generators International
8kVA Diesel Generator 28 Part No: 498
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141
8kVA Diesel Generator 28 Part No: 498
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141
5.2 Engine Starts but then Stops
Engine starts but then closes down.
No L.E.D’s are lit on the Control Mod-
ule.
Check control circuit fuse and MCB.
Check battery charger circuit fuse.
Check the 12V DC supplies from the battery and battery
charger have not been lost.
Suspect faulty control module. Swap it to check it.
Engine starts but then closes down.
L.E.D’s are lit on the Control Module.
Low Oil L.E.D lights. The Low Fuel sensor is also connected
to this alarm. Check the fuel level and that the fuel system is
not blocked or air locked.
Then check for faulty fuel level switch.
Check oil level then check for faulty oil pressure switch.
Check the fuel solenoid valve has not closed prematurely.
Check the fuel system has not become contaminated or de-
fective as given previously.
Engine starts but then closes down on
Speed Fault on the Control Module.
Speed Fault
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If the engine does not run at 1800 to 3420rpm it
will shut down. The most common cause of incorrect speed is
air or contamination in the fuel system. Bleed the system and
try starting again.
5.3 Other Engine Faults
Engine runs but makes excessive smoke
and/or runs erratically.
Check for contaminated fuel.
Check for contamination in the fuel system particularly
the fuel injector nozzle.
Check for blocked fuel filter or water in the filter.
Check for faulty or worn fuel injector nozzle.
Check for blocked air filter.
Suspect serious engine fault with governor, timing or
compression.
Battery goes flat or will not turn over the
starter motor fast enough.
Check the fuse in the battery charging circuit has not
failed.
Check battery charger is delivering above 13V DC to
the battery. The battery must be fitted to see this.
If the unit is fitted with a refillable battery, check elec-
trolyte level in the battery. This can be topped up with
distilled water.
If an external mains powered battery charger is fitted
inside an AMF Panel check its operation.
