1 troubleshooting guide problem cause correqion – Generac Power Systems NP Series User Manual
Page 39
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Section 8 - Troubleshooting
PRIMEPACT 55G and 55LP Recreational Vehicle Generators
TROUBLESHOOTING
8.1 TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
CORREQION
Engine won't crank.
1.
15 amp fuse biown.
1.
Replace blown fuse.
2.
Loose, or corroded or defective
2.
Tighten, clean or replace.
battery cable(s).
as necessary.
3.
Battery is discharged or defective.
3.
Recharge or replace battery.
4.
Defective starter contactor.
4.
Replace starter contactor.
5.
Defective starter motor.
5.
Replace starter motor.
6.
Defective Start/Stop switch
6.
Replace switch
7.
Defective Engine Control Board
7.
Contact an authorized service dealer.
Engine cranks, won't start.
1.
Out of fuel.
1.
Refill fuel tank.
2.
Fuel shutoff valve is closed.
2.
Open fuel shutoff valve(s).
3.
Fuel pump not operating.
3.
Repair or replace pump.
4.
Automatic choke not operating properiy.
4.
Repair, replace or adjust.
5.
Engine is fiooded.
5.
Wait 5-10 minutes; try again.
6.
Fuei fiiter is clogged.
6.
Replace filter if clogged.
7.
Engine spark plugs defective.
7.
Clean, regap or replace as needed.
8.
Bad ignition magneto on engine.
8.
Replace if defective.
9.
Bad carburetor.
9.
Adjust, repair or replace.
10.
Dirty air cieaner.
10.
Clean or replace as needed.
Engine starts hard, runs rough.
1.
Dirty engine air cieaner.
1.
Clean or replace as needed.
2.
Automatic Choke sticking.
2.
Free choke linkage as needed.
3.
Defective spark piugs.
3.
Clean, regap or replace.
4.
Defective ignition magneto.
4.
Replace it if defective.
Engine starts, then shuts down.
1.
Engine oii ievei is low.
1.
Add oil as needed.
2.
Bad low oil pressure switch.
2.
Replace, if bad.
3.
Defective Fligh Temp Switch
3.
Replace Switch, if bad.
4.
Water in fuel.
4.
Drain fuel tank and refill.
No AC output voitage.
1.
Main breaker(s) open.
1.
Close main breaker(s).
2.
Transfer switch (if so equipped) is
set to wrong position.
2.
Reset transfer switch.
3.
Failure in vehicle electrical system.
3.
See vehicle manual.
4.
Generator component failure.
4.
Contact an authorized service facility.
Generac* Power Systems, Inc. 37