23
Troubleshooting Chart
(Cont’d
)
Symptom
Possible Cause(s)
Corrective Action
Air escapes from centrifugal unloader
when unit is running
1.
Centrifugal unloader release valve
dirty or detective.
1.
Clean or replace valve
Air escapes from centrifugal unloader
when unit is stopped.
1.
Check valve stuck in open position.
1.
Replace check valve.
Warning –
Relieve tank pressure
before servicing.
System does not alternate
1.
Starter tripped.
2.
Loose wiring.
3.
Defective alternator.
4.
Defective motor.
1.
Reset starter. If starter trips
repeatedly, have electrical system
inspected by an electrician.
2.
Check and tighten all wiring
connections.
3.
Replace alternator.
4.
Replace motor.
