TROUBLE
POSSIBLE CAUSE CORRECTIVE ACTION
No start condition
Fuse blown or circuit
Breaker tripped
Loose electrical
Connection
Overheated motor
Check for cause of blown fuse or
breaker and replace or reset
Check wiring connections
Press reset button or wait for
automatic reset. Check V belt
tension.
Low pressure
Air leak in safety valve
Loose tube or fitting
Restricted air filter
V belt loose
Defective check valve
Check valve manually by pulling
upward on rings. If condition
persists, replace valve.
Tighten fittings.
Clean or replace as necessary.
Adjust belt tension.
Replace check valve.
Safety valve
releasing
Defective pressure
switch or improper
adjustment
Check for proper adjustment and if
problem persists, replace pressure
switch.
Oil discharge in
air
Improper oil viscosity
Crankcase overfilled
Compressor
overheated
Restricted air filter
Worn piston rings
Replace oil with 20-30 weight non –
Detergent oil
Drain crankcase and fill to proper
level.
Air pressure regulated too high.
Clean or replace filter.
Replace piston rings.
Excessive V-belt
Wear
V-belt too loose
V-belt too tight
Motor pulley out of
Alignment
Adjust for proper tension.
Adjust for proper tension
Alignment motor pulley by adjusting
the position of electric motor.
TROUBLESHOOTING
