Section 8 – Troubleshooting

Recreational Vehicle Generators

8.1TROUBLESHOOTING GUIDE

Problem

Cause

Correction

Engine won’t crank.

1.

7.5 amp fuse blown.

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 Start/Stop switch.

4.

Replace switch.

 

5.

Defective starter contactor.

5.

Replace starter contactor.

 

6.

Defective starter motor.

6.

Replace starter motor.

 

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 properly.

4.

Repair, replace or adjust.

 

5.

Engine is flooded.

5.

Wait 5-10 minutes; try again.

 

6.

Fuel filter 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 cleaner.

10.

Clean or replace as needed.

 

 

 

 

 

Engine starts hard, runs rough.

1.

Dirty engine air cleaner.

1.

Clean or replace as needed.

 

2.

Automatic choke is sticking.

2.

Free choke linkage as needed.

 

3.

Defective spark plugs.

3.

Clean, regap or replace.

 

4.

Defective ignition magneto.

4.

Replace it if defective.

 

 

 

 

 

Engine starts, then shuts down.

1.

Engine oil level is low.

1.

Add oil as needed.

 

2.

Bad low oil pressure switch.

2.

Replace, if bad.

 

3.

Defective high temp switch.

3.

Replace, if bad.

 

4.

Water in fuel.

4.

Drain fuel tank and refill.

 

5.

Defective remote harness.

5.

Disconnect remote harness. Contact

 

 

 

 

authorised service facility.

 

 

 

 

 

No AC output voltage.

1.

Main breaker(s) open.

1.

Close main breaker(s).

 

2.

Transfer switch (if so equipped) is

2.

Reset transfer switch.

 

 

set to wrong position.

 

 

 

3.

Failure in vehicle electrical system.

3.

See vehicle manual.

 

4.

Generator component failure.

4.

Contact an authorized service facility.

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Guardian Technologies 004702-0, 004703-0, 004704-0, 004705-0, 004706-0, 004707-0 owner manual Troubleshooting Guide
Page 37 Page 39

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