Problem Cause Correction
Engine is running, but
no AC or DC
output is available.
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.
Reset circuit breaker.
2.
Contact Generac service facility.
3.
Check and repair.
4.
Connect another device that is in
good condition.
Engine runs good at
no-load but “bogs
down" when loads
are connected.
1.
Short circuit in a connected load.
2.
Engine speed is too slow.
3.
Generator is overloaded.
4.
Shorted generator circuit.
1.
Disconnect shorted electrical load.
2.
Contact Generac service facility.
3.
See “Don't Overload the Generator”
on page 9.
4.
Contact Generac service facility.
Engine will not start;
or starts and runs
rough.
1.
Engine switch set to “
Off
”.
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.
Overchoked or flooded.
9.
Excessively rich fuel mixture.
10.
Intake valve stuck open or closed.
11.
Engine has lost compression.
1.
Set switch to “
On
”.
2.
Clean or replace air cleaner.
3.
Fill fuel tank.
4.
Drain gas tank and carburetor; fill
with fresh fuel.
5.
Connect wire to spark plug.
6.
Replace spark plug.
7.
Drain gas tank and carburetor; fill
with fresh fuel.
8.
Wait 5 minutes and re-crank engine.
9.
Contact Generac service facility.
10.
Contact Generac service facility.
11.
Contact Generac service facility.
Engine shuts down
when running.
Out of gasoline. Fill fuel tank.
Engine lacks power.
1.
Load is too high.
2.
Dirty air filter.
1.
See “Don't Overload the Generator”
on page 9.
2.
Replace air filter.
Engine “hunts” or
falters.
Carburetor is running too rich or too lean. Contact Generac service facility.
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