Troubleshooting Chart (cont'd)
Symptom
Air leaking from unloading solenoid
valve when unit is running.
System does not alternate
(Duplex units only)
Possible Cause(s)
1.
Check valve stuck in open position.
2.
Incorrect wiring of solenoid valve.
3.
Defective solenoid valve.
1.
Starter tripped.
2.
Loose wiring in alternator.
3.
Defective alternator.
4.
Defective motor.
IF3266 Rev A Page 20
Corrective Action
1.
Replace check valve.
Warning – Relieve tank pressure
before servicing.
2.
Check all wiring. Check for loose or
faulty wires. Check for correct
voltage.
3.
Replace solenoid valve.
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.