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Generac Portable Products 6500XL Extended Life Generator
TROUBLESHOOTING
Problem
Engine is running, but
no AC output is
available.
Engine runs good but
bogs clown when loads
are connected.
Cause
I. Circuit breaker isopen.
2. Poor connection or defective cord set.
3. Connected device isbad.
4. Fault in generator.
I. Short circuit in a connected load.
2. Generator is overloaded.
3. Enginespeed istoo slow.
4. Shortedgenerator circuit.
I. Run/Stopswitch set to "Stop".
2. Dirty air cleaner.
3. Out of gasoline.
4. Stalegasoline.
5. Sparkplug wire not connected to spark
Solution
I. Reset circuit breaker.
2. Check and repair.
3. Connect another device that is ingood
condition.
4. Contact Generac service facility.
I. Disconnect shorted electricalload.
2. See"Don't Overload the Generator"
on page 10.
3. Contact Generac service facility.
4. Contact Generac service facility.
I. Set switch to "Run".
2. Clean or replace air cleaner.
3. Fill fuel tank.
4. Drain gas tank and fill with fresh fuel.
5. Connect wire to spark plug.
Engine will not start; or
starts and runs rough.
plug.
6. Badspark plug.
7. Waterin gasoline.
8. Overchoking.
9. Low oil level.
10.
II.
12.
Excessively rich fuel mixture.
Intake valve stuck open or closed.
Engine has lost compression.
6. Replacespark plug.
7. Drain gastank; fill with fresh fuel.
8. Put choke leverto "No Choke"
position.
9. Fill crankcaseto proper level.
10. Contact Generac servicefacility.
I I. Contact Generac servicefacility.
12. Contact Generac servicefacility.
Engine shuts down
during operation.
Engine lacks power.
Engine "hunts" or
falters.
I. Out ofgasoline.
2. Low oil level
3. Fault in engine.
I. Loadistoo high.
2. Dirty air filter.
3. Engine needs to be serviced.
I. Choke is opened too soon.
2.
Carburetor isrunning too rich or too
lean.
I. Fillfuel tank.
2. Fill crankcaseto proper level.
3. Contact Generac servicefacility.
I. See"Don't Overload the Generator"
on page 10.
2. Replaceair filter.
3. Contact Generac servicefacility.
I. Move choke to halfwayposition till
engine runs smoothly.
2. Contact Generac servicefacility.
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