Troubleshooting (continued)
Motor hums but
does not run or
runs slowly.
Fuses blow or
circuit breaker trips
repeatedly.
Knocking Noise
Excessive belt wear
Squealing sound
Restricted air
intake
Low voltage.
Loose electrical
connections.
Shorted or open motor
winding.
Defective check valve or
unloader.
Incorrect fuse size, circuit
overload.
Loose electrical
connections.
Defective check valve or
unloader.
Loose pulley.
Loose flywheel.
Compressor mounting
screws loose.
Loose belt.
Carbon build-up in pump.
Belt too tight.
Loose belt.
Tight belt.
Loose pulley.
Pulley misalignment.
Compressor pump has no
oil.
Loose belt.
Dirty air filter.
19
Check voltage with a voltmeter.
Verify wiring connection inside
pressure switch and terminal box
area.
Bring the compressor to a service
center.
Bring the compressor to a service
center.
Verify proper fuse size is being
used.
Use time-delay fuses.
Disconnect other electrical
appliances from the circuit or
operate compressor on its own
branch circuit.
Verify wiring connection inside
pressure switch and terminal box
area.
Bring the compressor to a service
center.
Tighten pulley set screw.
Tighten flywheel screw.
Tighten mounting screws.
Check belt tension.
Bring the compressor to a service
center.
Check belt tension.
Check belt tension.
Check belt tension.
Bring the compressor to a service
center.
Align pulley/flywheel.
Check pump oil
Check belt tension.
Clean or replace air filter.
Please contact 1-888-43-HUSKY for further assistance.
HUSKYTOOLS.COM