Troubleshooting; Troubleshootingguide - Generac Power Systems GP Owner's Manual

4.1 TROUBLESHOOTING GUIDE
Engineis running,but no AC output
is available.
1. Circuit breaker is open.
2. Poor connection or defective cord set.
3. Connecteddevice is bad.
4. Faultin generator.
1. Reset circuit breaker.
2. Check and repair.
3. Connect another device that is in good condition.
4. Contact AuthorizedServiceFacility.
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Engine runs well hut bogs down 1. Short circuit in a connected load. 1. Disconnect shorted electrical load.
whenloads are connected. 2. Generatoris overloaded. 2. See"Don't Overload the Generator".
3. Enginespeed is too slow. 3. Contact AuthorizedService Facility.
4. Shorted generatorcircuit. 4. Contact AuthorizedServiceFacility.
Engine wiil notstart; orstarts and
runsrough.
,
2.
3.
4.
5.
6.
FuelShut-off is OFF. 1.
Dirty air filter. 2.
Out of gasoline. 3.
Stale gasoline. 4.
Spark plug wire not connectedto spark plug. 5.
Badspark plug. 6.
Turn FuelShut-off to ON.
Clean or replaceair filter.
Fillfuel tank.
Drain fuel tank and fill with fresh fuel.
Connect wire to spark plug.
Replacespark plug.
7. Water in gasoline.
8. Over-choking.
9. Low oil level.
10. Excessiverich fuel mixture.
11. Intakevalve stuck open or closed.
12. Enginehas lost compression.
7. Drain fuel tank; fill with fresh fuel.
8. Put choke knob to No Chokeposition.
9. Fill crankcaseto proper level.
10. ContactAuthorizedService Facility.
11. ContactAuthorizedService Facility.
12. ContactAuthorizedService Facility.
i i
Engine shuts down during 1. Out of gasoline. 1. Fillfuel tank.
operation. 2. Low oil level. 2. Fill crankcaseto proper level.
3. Faultin engine. 3. Contact AuthorizedServiceFacility.
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Engine lacks power. 1. Load is too high. 1. Reduceload (see"Don't Overloadthe Generator").
2. Dirty air filter. 2. Clean or replaceair filter.
3. Engineneedsto be serviced. 3. Contact AuthorizedService Facility.
Engine "hunts" or falters. 1. Choke is openedtoo soon. 1. Move choke to halfway position until engine runs
smoothly.
2. Carburetoris running too rich or too lean. 2. Contact AuthorizedServiceFacility.
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