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Generac Portable Products 5500XL Extended Life Generator
12
Problem Cause Correction
Engine is running, but no
AC output is available.
1. Circuit breakers is open.
2. Poor connection or defective cord
set.
3. Connected device is bad.
4. Fault in generator.
1. Reset circuit breaker.
2. Check and repair.
3. Connect another device that is in
good condition.
4. Contact Generac service facility.
Engine runs good at no-
load but bogs down"
when loads are
connected.
1. Short circuit in a connected load.
2. Generator is overloaded.
3. Engine speed is too slow.
4. Shorted generator circuit.
1. Disconnect shorted electrical load.
2. See Don't Overload the Generator,
page 10.
3. Contact Generac service facility.
4. Contact Generac service facility.
Engine will not start; or
starts and runs rough.
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. Low oil level.
10. Excessively rich fuel mixture.
11. Intake valve stuck open or closed.
12. Engine has lost compression.
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. Fill crankcase to proper level.
10. Contact Generac service facility.
11. Contact Generac service facility.
12. Contact Generac service facility.
Engine shuts down
during operation
1. Out of gasoline.
2. Low oil level.
3. Fault in engine.
1. Fill fuel tank.
2. Fill crankcase to proper level.
3. Contact Generac service facility.
Engine lacks power.
1. Load is too high.
2. Dirty air filter.
3. Engine needs to be serviced.
1. See Don't Overload the Generator,
page 10.
2. Replace air filter.
3. Contact Generac service facility.
Engine hunts or falters.
1. Choke is opened too soon.
2. Carburetor is running too rich or
too lean.
1. Move choke to halfway position until
engine runs smoothly.
2. Contact Generac service facility.
TROUBLESHOOTING