Troubleshooting – Generac Power Systems A-2624 User Manual
Page 15
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TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSES
REMEDY
Engine won’t crank.
1.
15 amp fuse is blown
1.
Replace 15 amp fuse
2.
Loose corroded or defective
battery cables.
2.
Tighten, clean or replace
as necessary.
3.
Defective engine Start/Stop switch.
3.
Replace Start/Stop switch.
4.
Defective starter contactor.
4.
Replace contactor.
5.
Defective starter motor.
5.
Replace starter motor.
6.
Low Battery Voltage.
6.
Charge 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 plugs defective.
5.
Clean, regap or replace plugs.
Engine starts hard, runs rough.
1.
Air cleaner plugged or damaged
1.
Clean or replace as needed.
2.
Defective spark plugs.
2.
Clean, regap or replace plugs.
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 adequate ventilation.
released.
3.
Defective Low Oil Pressure System
3.
Have serviced/replaced.
4.
Defective Engine Control Board
4.
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
Start/Stop switch and Engine Control
2.
Reconnect or close wire.
3.
Open/disconnected wire #0 between
Start/Stop switch & Engine Control Bd.
3.
Reconnect or close wire.
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.
Generator internal failure
3.
Take generator to an
Authorized Generac facility.
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