Generac Portable Products GP Series Owner's Manual page 17

4.1 TBOUBLESHOOTING GUIDE
Engineis running,but no AC output
is available.
1. Circuit breakeris 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. ContactAuthorizedService Facility.
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Engine runs well hut bogs down 1. Short circuit in a connected load. 1. Disconnect shorted electrical load.
whenloadsare connected. 2. Generatoris overloaded. 2. See"Don't Overloadthe Generator".
3. Enginespeed is too slow. 3. ContactAuthorizedService Facility.
4. Shorted generatorcircuit. 4. ContactAuthorizedService Facility.
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Engine will notstart;or startsand
runsrough.
FuelShut-off is OFF.
Dirty air filter.
Out of gasoline.
Stale gasoline.
Spark plug wire not connectedto spark plug.
1. TurnFuelShut-off ON.
2. Cleanor replaceair filter.
3. Fillfuel tank.
4. Drain fuel tank andfill with fresh fuel.
5. Connectwire to spark plug.
,
2.
3.
4.
5.
6. Badspark plug.
7. Waterin gasoline.
8. Overchoking.
9. Low oil level.
10. Excessiverich fuel mixture.
11. Intakevalve stuck open or closed.
12. Enginehas lost compression.
6. Replacespark plug.
7. Drain fuel tank; fill with fresh fuel.
8. Put choke knobto No Chokeposition.
9. Fill crankcaseto proper level.
10. Contact AuthorizedService Facility.
11. Contact AuthorizedService Facility.
12. Contact AuthorizedService Facility.
Engine shuts down during 1. Out of gasoline. 1. Fillfuel tank.
operation. 2. Low oil level. 2. Fill crankcaseto proper level.
3. Fault in engine. 3. ContactAuthorizedService Facility.
Engine lacks power. 1. Load is too high. 1. Reduceload (see "Don't Overloadthe Generator").
2. Dirty air filter. 2. Cleanor replaceair filter.
3. Engine needsto be serviced. 3. ContactAuthorizedService 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. ContactAuthorizedService Facility.
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