Troubleshooting; Troubleshooting Guide - Generac Power Systems 005714-0 Owner's Manual

5.1 TROUBLESHOOTING GUIDE

PROBLEM
Engine is running, but no AC output
is available.
Engine runs well but bogs down
when loads are connected.
Engine will not crank.
Engine will not start; or starts and
runs rough.
Engine shuts down during
operation.
Engine lacks power.
Engine "hunts" or falters.
No Battery Charger DC output.
CAUSE
1. Circuit breaker is open.
2. Poor connection or defective cord set.
3. Connected device is bad.
4. Fault in generator.
5. GFCI trips the 20 Amp outlet.
1. Short circuit in a connected load.
2. Generator is overloaded.
3. Engine speed is too slow.
4. Shorted generator circuit.
1. Battery weak or dead.
1. Fuel shut-off is OFF.
2. Dirty air cleaner.
3. Out of gasoline.
4. Stale gasoline.
5. Spark plug wire not connected to spark plug.
6. Bad spark plug.
7. Water in gasoline.
8. Over-choking.
9. Low oil level.
10. Excessive rich fuel mixture.
11. Intake valve stuck open or closed.
12. Engine has lost compression.
1. Out of gasoline.
2. Low oil level.
3. Fault in engine.
1. Load is too high.
2. Dirty air filter.
3. Engine needs to be serviced.
1. Choke is opened too soon.
2. Carburetor is running too rich or too lean.
1. Battery posts are corroded.
2. Battery cable is bad.
3. Battery is defective.
4. Receptacle is bad.
5. Battery Charger in-line fuse (1.5A) melted open.

Troubleshooting

CORRECTION
1. Reset circuit breaker.
2. Check and repair.
3. Connect another device that is in good condition.
4. Contact Authorized Service Facility.
5. Repair the "short" and reset the GFCI.
1. Disconnect shorted electrical load.
2. See "Don't Overload the Generator" .
3. Contact Authorized Service Facility.
4. Contact Authorized Service Facility.
1. Recharge or replace battery (see "No Battery
Charger DC output" at bottom of guide).
2. Start engine manually using recoil starter.
1. Turn Fuel shut-off ON.
2. Clean or replace air cleaner.
3. Fill fuel tank.
4. Drain fuel tank and fill with fresh fuel.
5. Connect wire to spark plug.
6. Replace spark plug.
7. Drain fuel tank; fill with fresh fuel.
8. Put choke knob to No Choke position.
9. Fill crankcase to proper level.
10. Contact Authorized Service Facility.
11. Contact Authorized Service Facility.
12. Contact Authorized Service Facility.
1. Fill fuel tank.
2. Fill crankcase to proper level.
3. Contact Authorized Service Facility.
1. See "Don't Overload the Generator".
2. Replace air filter.
3. Contact Authorized Service Facility.
1. Move choke to halfway position until engine runs
smoothly.
2. Contact Authorized Service Facility.
1. Clean battery posts.
2. Replace cable.
3. Check battery condition; replace if defective.
4. Contact Authorized Service Facility.
5. Replace fuse with identical 1.5A replacement fuse
only (located inside control panel).
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