wc_tx001197gb_FM10.fm
189
Mobile Generators Troubleshooting
20 Troubleshooting
Problem Cause Remedy
Engine doesn’t start Battery discharged
Battery connections
corroded
Blown fuse
Defective starter
Charge battery.
Clean battery connections.
Replace fuse.
Replace starter.
Engine tries to start but
stops
No fuel
Clogged fuel filter
Fuel circuit failure
Fill tank with fuel.
Bleed fuel lines.
Replace fuel filter.
Check fuel lines.
No generator output Main circuit breaker open
Lug door open
Close main circuit breaker.
Close lug door.
Low oil pressure Low oil level
Clogged oil filter
Fill engine sump with oil.
Replace oil filter.
High coolant temperature Overload
Low coolant level
Low oil level
Clogged oil filter
Reduce load.
Fill with coolant.
Fill sump with oil.
Replace oil filter.
Engine emits black smoke Clogged air filter
Overload
High oil level
Clean/replace air filter
cartridges.
Reduce load.
Remove excess oil.
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