TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSES
REMEDY
Engine won't crank.
1.
15
amp fuse
is
blown
1.
Replace 1 5 amp fuse
2.
Loose corroded or defective
2.
Tighten, clean
or
replace
battery cables. as necessary.
3.
Defective engine Start/Stop switch. 3. Replace Start/Stop switch.
4.
Defective starter contactor.
4.
Replace qontactor.
5.
Defective starter motor.
5.
Replace starter motor.
6.
Low or defective battery. 6.
Change or replace battery.
Engine cranks but won't start.
1.
Out of fuel.
1.
Replenish fuel.
2.
Fuel pump is defective.
2.
Replace fuel pump.
3.
Open Wire #14 from Eng. Control Bd. 3. Reconnect wire.
4.
Engine
is
flooded.
4.
Wait 5-10 min. before trying.
5.
Spark plug defective.
5.
Clean, regap or replace plug.
Engine starts hard, runs rough.
1.
Air cleaner plugged or damaged
1.
Clean
or
replace as needed.
2.
Defective spark plug.
2.
Clean, regap or replace plug.
Engine starts, shuts down
1.
Engine oil is low.
1.
Check oil; add as needed.
when Start/Stop switch is
2.
Engine is overheated.
2.
Check for adequate ventilation.
released.
3. Defective Low Oil Pressure System 3.
Have serviced/replaced.
4.
Defective Engine Control Board 4.
Have board serviced/replaced.
5.
Defective Computer Control Board
5.
Have board serviced/replaced.
:
Start/Stop switch at Stop,
1.
Defective Start/Stop switch
1.
Replace switch.
engine continues to run.
2.
Open/disconnected wire #18 between
2.
Reconnect
or
close wire.
Start/Stop switch and Engine Control
3.
Open/disconnected wire #0 between 3.
Reconnect or close wire.
Start/Stop switch
& Engine Control Bd.
4.
Defective Engine Control Board 4.
Replace board.
No AC output from generator.
1.
Check circuit breaker.
1.
Reset to ON or CLOSED.
2.
Check vehicle circuit breaker & fuses.
2.
Reset and replace if necessary.
3.
Transfer sw. set to NORMAL position.
3.
Set to GENERATOR position.
4. Generator internal failure
4.
Take generator to an
Authorized Generac facility.
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