Troubleshooting - Generac Power Systems 6500EXL Owner's Manual

TROUBLESHOOTING

Problem
Engine is running, but no
AC output is available.
Engine runs good at no-
load but "bogs" down"
when loads are connected.
Engine will not start; or
starts and runs rough.
Engine shuts down during
operation.
Engine lacks power.
Engine "hunts" or falters.
Generac Portable Products 6500EXL Extended Life Generator
Cause
1. One of the circuit breakers is open.
2. Fault in generator.
3. Poor connection or defective cord set.
4. Connected device is bad.
1. Short circuit in a connected load.
2. Engine speed is too slow.
3. Generator is overloaded.
4. Shorted generator circuit.
1. Run/Stop Switch set to "STOP".
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. Overchoking.
9. Excessively rich fuel mixture.
10. Intake valve stuck open or closed.
11. Engine has lost compression.
12. Failed battery.
1. Out of gasoline.
2. Low oil level.
1. Load is too high.
2. Dirty air filter.
1. Choke is opened too soon.
2. Carburetor is running too rich or too
lean.
Correction
1. Reset circuit breaker.
2. Contact Generac service facility.
3. Check and repair.
4. Connect another device that is in
good condition.
1. Disconnect shorted electrical load.
2. Contact Generac service facility.
3. See "Don't Overload the Generator"
on page 11.
4. Contact Generac service facility.
1. Set switch to "RUN".
2. Clean or replace air cleaner.
3. Fill fuel tank.
4. Drain gas tank; fill with fresh fuel.
5. Connect wire to spark plug.
6. Replace spark plug.
7. Drain gas tank; fill with fresh fuel.
8. Open choke fully and crank engine.
9. Contact Generac service facility.
10. Contact Generac service facility.
11. Contact Generac service facility.
12. Replace battery.
1. Fill fuel tank.
2. Fill crankcase to proper level.
1. See "Don't Overload the Generator"
on page 11.
2. Replace air filter.
1. Move choke to halfway position until
engine runs smoothly.
2. Contact Generac service facility.
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