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TROUBLESHOOTING
Problem
Engine isrunning, but
no AC output is
available.
Engine runs good but
bogs down when loads
are connected.
Engine will not start; or
starts and runs rough.
Cause
I. Circuit breaker is open.
2. Poor connection or defective cord set.
3. Connected device is bad.
4. Faultin generator.
I. Short circuit in a connected load.
2. Generator is overloaded.
3. Engine speed is too slow.
4. Shortedgeneratorcircuit.
I. Run/Stop switch set to "Stop".
2. Dirty air cleaner.
3. Out of gasoline.
4. Stalegasoline.
5. Spark plug wire not connected to spark
plug.
6. Badspark plug.
7. Water in gasoline.
8. Overchoking.
9. Low oil level.
10. Excessivelyrich fuel mixture.
I I. Intake valve stuck open or closed.
Solution
I. Resetcircuit breaker.
2. Check and repair.
3. Connect another device that isin good
condition.
4. Contact Generac service facility.
I. Disconnect shorted electrical load.
2. See "Don't Overload the Generator"
on page I I.
3. Contact Generac Power Systems
service facility.
4. Contact Generac service facility.
I. Set switch to "Run".
2. Clean or replace air cleaner.
3. Fillfuel tank.
4. Drain gastank andfill with fresh fuel.
5. Connect wire to spark plug.
6.
7.
8.
9.
10.
II.
12. Engine has lost compression. 12.
I. Out of gasoline. I.
Engine shuts down 2. Low oil level. 2.
during operation. 3. Fault in engine. 3.
I. Load is too high. I.
Engine lacks power. 2. Dirty air filter. 2.
3. Engine needs to be serviced. 3.
I. Choke is opened too soon. I.
Engine "hunts" or
falters. 2.
2. Carburetor is running too rich or too
lean.
Replacespark plug.
Drain gastank; fill with fresh fuel.
Put choke lever to "Run" position.
Fillcrankcase to proper level.
Contact Generac Power Systems
service facility.
Contact Generac Power Systems
service facility.
Contact Generac Power Systems
service facility.
Fillfuel tank.
Fillcrankcase to proper level.
Contact Generac Power Systems
service facility.
See "Don't Overload the Generator"
on page I I.
Replaceair filter.
Contact Generac Power Systems
service facility.
Move choke to halfwayposition till
engine runs smoothly.
Contact Generac Power Systems
service facility.