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ENGINE TROUBLESHOOTING
The following troubleshooting chart describes certain problems
and causes relating to engine service. Also note there is a
Diagnostic Troubleshooting section that follows.
Problem
Engine does not crank.
Engine cranks, does not start
(engine will crank 8 seconds)
(3 crank cycles before underspeed fault occurs)
Engine starts, runs and the shuts down.
Engine hunts.
Engine misfires/back firing.
Engine overheats/engine temp LED is illuminated.
Exhaust temp LED is illuminated.
Low oil pressure/oil pressure LED is illuminated.
Note: When servicing the engine/generator, the main circuit
breaker (control panel) disconnects all A
C
power and can be
switched off and reset manually.
Possible Cause
1.DC panel breaker OFF.
2.DC battery OFF.
3.K2 relay faulty.
4.Starter solenoid faulty.
5.DC battery low/dead.
&.Water filled cylinder.
7.DC panel 8 amp buss fuse is faulty.
1.Fuel starvation.
2.Air in fuel system.
.
3.Fouled spark plugs.
4Jaulty ignition coil.
1.Fuel starvation.
2.Air in fuel system.
3.Faulty shutdown switch/sensor.
4.Faulty fuel pump.
1.Air in fuel system.
2.Faulty fuel pump.
..
3.Low octane fuel (lower than 89).
4.Faulty speed sensor (crankshaft).
1.Low octane fuel (lower than 89).
2.Dirty air intake screen screen.
3.Hign tension ignition wires.
4.Exhaust restriction.
5.Wom/fouled spark plug.
&.Faulty ignition coil.
7.Low or no fuel pressure. Poor quality fuel.
1.Raw water coolant flow obstruction.
2.Coolant level low.
3.Faulty impeller.
4.Pump belt loose/broken.
5.Stuck thermostat.
&.Air in cooling system (fresh water).
1.Loss of coolant flow/faulty pump.
2.Faulty exhaust temperature switch.
1.0illevellow.
2.Faulty oil pressure sendor.
3.0il viscosity incorrect.
20
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