Section 4 - Troubleshooting; Troubleshooting Guide - Generac Power Systems RV 45 SERIES Owner's Manual

4.1

TROUBLESHOOTING GUIDE

Problem
Engine won't crank.
Engine cranks, won't start.
Engine starts hard, runs rough.
Engine starts, then shuts down.
No AC output voltage.
Cause
1. 7.5 amp fuse blown.
2. Loose, or corroded or defective
battery cable(s).
3. Battery is discharged or defective.
4. Defective Start/Stop switch.
5. Defective starter contactor.
6. Defective starter motor.
7. Defective Engine Control Board
1. Out of fuel.
2. Fuel pump not operating.
3. Automatic choke not operating properly.
4. Engine is flooded.
5. Fuel filter is clogged.
6. Engine spark plugs defective.
7. Bad ignition magneto on engine.
8. Bad carburetor.
9. Dirty air cleaner.
1. Dirty engine air cleaner.
2. Automatic choke is sticking.
3. Defective spark plugs.
4. Defective ignition magneto.
1. Engine oil level is low.
2. Bad low oil pressure switch.
3. Defective high temp switch.
4. Water in fuel.
5. Defective remote harness.
1. Main breaker(s) open.
2. Transfer switch (if so equipped) is
set to wrong position.
3. Failure in vehicle electrical system.
4. Generator component failure.
Section 4 – Troubleshooting
Recreational Vehicle Generators
Correction
1. Replace blown fuse.
2. Tighten, clean or replace,
as necessary.
3. Recharge or replace battery.
4. Replace switch.
5. Replace starter contactor.
6. Replace starter motor.
7. Contact an authorized service dealer.
1. Refill fuel tank.
2. Repair or replace pump.
3. Repair, replace or adjust.
4. Wait 5-10 minutes; try again.
5. Replace filter if clogged.
6. Clean, regap or replace as needed.
7. Replace if defective.
8. Adjust, repair or replace.
9. Clean or replace as needed.
1. Clean or replace as needed.
2. Free choke linkage as needed.
3. Clean, regap or replace.
4. Replace it if defective.
1. Add oil as needed.
2. Replace, if bad.
3. Replace, if bad.
4. Drain fuel tank and refill.
5. Disconnect remote harness. Contact
authorised service facility.
1. Close main breaker(s).
2. Reset transfer switch.
3. See vehicle manual.
4. Contact an authorized service facility.
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