20
Problem
Possible Cause
Solution
The compressor does not
run.
□
There is a loss of power or
the motor is overheated.
□
Check for proper use of extension cord.
□
There is no power to the
unit.
□
Check to be sure the unit is plugged in.
□
The circuit breaker has
tripped or a fuse has blown
at the main power source.
□
Check the fuse/breaker.
□
The thermal overload
protector is actuated.
□
Turn the air compressor OFF (O).
□
Unplug the air compressor and wait until
the compressor cools down.
□
Plug the air compressor into an approved
outlet.
□
Turn the air compressor AUTO (I).
□
The pressure switch is bad.
□
Bring the compressor to a service center.
□
The compressor has reached
automatic shutoff pressure.
□
Release the air from the tank until the
compressor restarts automatically.
The motor hums while
running slowly, or it does not
run at all.
□
There is low voltage from
the power source.
□
Call an electrician.
□
The wrong gauge wire or
length of extension cord is
being used.
□
Check for proper gauge wire and cord
length.
□
There is a shorted or open
motor wiring.
□
Bring the compressor to a service center.
□
There is a defective check
valve or unloader.
□
Bring the compressor to a service center.
The fuses blow or circuit
breaker trips repeatedly.
□
The incorrect fuse type is
being used.
□
Check for the proper fuse.
□
Use a time-delay fuse. Disconnect other
electrical appliances from the circuit
or operate the compressor on its own
branch circuit.
□
The wrong gauge wire or
length of extension cord
is used.
□
Check for the proper gauge wire and
cord length.
□
There is a defective check
valve or unloader.
□
Bring the compressor to a service center.
Troubleshooting
