14
troubleshooting
Troubleshooting Chart
Trouble
Possible Cause
Corrective Action
No start condition
Fuse blown or circuit
breaker tripped
Check for cause of blown
fuse or breaker and replace
or reset
Loose electrical
connections
Check wiring connections
Overheated motor
Press reset button or wait
for automatic reset. Check
V-belt tension
Low Pressure
Air leak in safety valve
Check valve manually by
pulling upward on rings. If
condition persists, replace
valve.
Loose tube or fittings.
Tighten fittings.
Restricted air filter
Clean or replace as
necessary
V-belt loose
Adjust belt tension.
Defective check-valve
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
Replace oil with 20-30
weight non-detergent oil
Too much oil in
crankcase
Drain crankcase and fill to
proper level
Compressor overheated
Air pressure regulated too
high
Restricted air filter
Clean or replace filter
Worn piston rings
Replace piston rings
Excessive V-belt wear V-belt too loose
Adjust for proper tension
V-belt too tight
Adjust for proper tension
Motor pulley out of
alignment
Align motor pulley by
adjusting the position of
electric motor
