TROUBLESHOOTING CHART
PROBLEM
POSSIBLE CAUSE(S) CORRECTIVE ACTION
Compressor will not run
1.No electrical power.
1.Plu�ged in?Check fuse/breaker.
2.Rep ace blown fuse.
3.Reset determining why problem
happened.
2. Blown fuse.
3.
Breaker open.
4.
Thermal overload open.
5.
Pressure switch bad.
4.Molor will restart when cool
�approx. 1 Sminutes).
5. ontactAuthorized Service Center.
Motor hums but cannot run
1.Low voltage.
1.Check with voltmeter(105v.min.)
or runs slowly
2.Shorted or open motor winding. 2.ConlactAuthorized Service Center.
3.Defective check valve or
3.ContactAutilorized Service Center.
pressure switch.
4.Tum the AUTO? OFF swttch to the
4.Cpmpressed air In cylinder.
OFF position for 15 sec., then tum
to the AUTO position.
Fuses blow/circuit breaker
1.lncorrect size fuse,circuit
1.Check for properfuse,Use time-
trips repeatedly
overloaded.
delay fuse. Disconnect from other
2.Defective check valve or
CAUTION!!
pressure switch.
electrical appliances from circuit
or operate compressor on its own
NEVER USE AN EXTENSION
branch circuit.
CORD WITH THIS PRODUCT!
2;Contact Authorized Service Center.
Thermal ove�oad protector
1.Low volla�e.
1.Check with voltmete�105 v.min.)
cuts out repeatedly.
2.Clogged a rfilter.
2.Clean filter(see Main enance
3.Lack of proper ventilation/room
section).
temperature too high.
3.Move compressor to well ventilated
area.
Tank pressure drops when
t .Loose connections(fittings,
1. Sheck for air leaks. Use sealing
compressor shuts off.
tubing,etc.)
tape on all leaking connections.
2.0pen draincock.
2.Tighten draincock.
3.Check valve leaking.
3.Dlsassemble check valve assembly.
Clean or replace.
DANGER!!
DO NOT DISASSEMBLE CHECK
VALVE WITH AIR IN TANK.
BLEED TANK FIRST.
Excessive moisture in
I .Excessive water in tank.
1.Drain receiver.
diacharge air
2.High humidity.
2.Move compressor 10 area of less
3.Clogged Intake filter.
humidtty; use air line filter.
3.Clean or replace filler.
Compressor runs continually.
1.Defeclive pressure switch.
1.Replace swttch.
2.Excesslve air usage.
2.Compressor not large enough to
meet CFM requirement or the
airtool.
Compressor vibrates.
1.Loose mounting bolts.
1.Tighten.
2.Rubber tank feet worn/missing.
2.Replace.
Air output lower than normal.
1.Open dralncock.
1.Tighten draincock.
2.lntake filter dil.
2.Clean or replace Intake filter.
3.Connectlon lea ing.
3. Tighten connections.
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