Troubleshooting, Problem cause solution – Generac 6500XL 09779-2 User Manual
Page 12
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Generac Portable Products 6500XL Extended Life Generator
TROUBLESHOOTING
Problem
Cause
Solution
Engine is running, but
no AC output is
available.
!. Circuit breaker 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 but
bogs down when loads
are connected.
!. 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”
on 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 and fill with fresh fuel.
5.
Connect wire to spark plug.
6.
Replace spark plug.
7.
Drain gas tank; fill with fresh fuel.
8.
Put choke lever to “No Choke”
position.
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”
on 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 till
engine runs smoothly.
2.
Contact Generac service facility.