Troubleshooting – GE A4021 User Manual
Page 17
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TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSES
REMEDY
Engine won1 crank.
1.
15 amp fuse is blown
1.
Replace 15 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 contactor.
5.
Defective starter motor.
5.
Replace starter motor.
6.
Low Battery Voltage.
6.
Charge or replace battery.
Engine cranks but woni 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 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
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.
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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