Use and Care Guide
20
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Reset
mechanism
cuts out
repeatedly
or circuit
breaker trips
repeatedly.
(Continued)
5. Pressure switch shut-off pressure
set too high.
5. Replace pressure switch.
6. Low voltage. 6. Check incoming voltage. It should be
approximately 120 volts. Low voltage could be
due to wires (from breaker/fuse to outlet) being
too small in diameter and / or too long. Have a
qualified electrician check these conditions and
make repairs as needed.
7. Malfunctioning check valve. 7. Replace check valve.
Risk of Explosion. Do not
disassemble check valve with air
pressure in tank.
DANGER
8. Defective unloader valve on
pressure switch.
8. Replace unloader valve.
9. Defective motor capacitor(s). 9.Replace capacitor(s).
10. Malfunctioning motor. 10. Replace motor.
11. Low voltage. 11. Check incoming voltage. It should be
approximately 120 volts. Low voltage could be
due to wires (from breaker/fuse to outlet) being
too small in diameter and / or too long. Have a
qualified electrician check these conditions and
make repairs as needed.
Tank does
not hold
pressure
when
compressor
is off and the
shut off valve
is closed.
1. Air leaks (fittings, tubing on
compressor, or plumbing outside
system).
1. Check all connections with soap and water
solution. Tighten; or remove and apply sealant
to threads, then reassemble.
2. Worn check valve. 2. Replace check valve.
Risk of Explosion. Do not
disassemble check valve with air
pressure in tank.
DANGER
3. Check tank for cracks or pin holes. 3. Replace tank. Never repair a damaged tank.
Excessive
vibration.
1. Loose fasteners on pump or motor. 1. Tighten fasteners.
2. Belt needs replaced. 2. Replace with correct size.
3. Belt alignment. 3. Align flywheel and pulley.