Troubleshooting Guide - Generac Power Systems XG4000 Series Owner's Manual

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. Fault in generator.
5. GFCItrips the 20 Amp outlets.
1. Reset circuit breaker.
2. Check and repair.
3. Connect another device that is in good condition.
4. ContactAuthorizedService Facility.
5. Repairthe "short" and reset the GFCI.
! I
Engine runs good but bogs down 1. Short circuit in a connected load. 1. Disconnect shorted electrical load.
when loads are connected. 2. Generatoris overloaded. 2. See"Don't Overloadthe Generator".
3. Enginespeed is too slow. 3. ContactAuthorizedService Facility.
4. Shorted generatorcircuit. 4. ContactAuthorizedService Facility.
Engine will not start; or starts and 1. Fuelshut-off is OFF. 1. TurnFuelshut-off ON.
runsrough. 2. Dirty air filter. 2. Cleanor replaceair filter.
3. Out of gasoline. 3. Fillfuel tank.
4. Stale gasoline. 4. Drain fuel tank andfill with fresh fuel.
5. Spark plug wire not connectedto spark plug. 5. Connectwire to spark plug.
6. Badspark plug.
7. Waterin gasoline.
8. Over-choking.
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 Choke position.
9. Fill crankcaseto proper level.
10. Contact AuthorizedService Facility.
11. Contact AuthorizedService Facility.
12. Contact AuthorizedService Facility.
Engineshuts 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. See"Don't Overloadthe Generator".
2. Dirty air filter. 2. 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
2. Carburetoris running too rich or too lean. smoothly.
2. ContactAuthorizedService Facility.
15