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Trouble shooting
Problem
The motor will not run or start
The motor runs continuously
when the pressure switch is in
the ON position.
The regulator does not
regulate the pressure.
14
Possible cause
The power cord is not
plugged in.
The pressure switch is in the
O (OFF) position.
The extension cord is the
wrong wire gauge or is too
long.
The motor's thermal overload
protection has tripped.
A fuse has blown or a circuit
breaker has been tripped.
The air tank pressure
exceeds the preset pressure
switch limit.
The safety valve is stuck
open.
Electrical connections are
lose.
The motor, capacitor or safety
valve is defective.
The pressure switch does
not shut off the motor when
the air compressor reaches
the cut-out pressure and the
safety valve activates.
The compressor's capacity is
not enough.
The regulator or its internal
parts are dirty or damaged.
Solutions
Plug the power cord into a grounded outlet.
Set the pressure switch to the ON position.
Check extension cord information for the proper wire gauge and
cord length.
Turn the air compressor off, unplug the power cord and wait until the
motor has cooled down. Plug in the power cord only after the motor
has cooled down, and wait at least 5 minutes to make sure the
thermal overload protector has recovered.
Replace the fuse or reset the circuit breaker.
Verify that the fuse has the proper amperage.
Check for low voltage conditions.
Disconnect any other electrical appliances from the circuit or oper-
ate the compressor on a dedicated circuit.
The motor will start automatically when the tank pressure drops
below the cut-in pressure.
Clean or replace the safety valve.
Contact your TJEP dealer for repair
Contact your TJEP dealer for repair
Set the pressure switch to the OFF position. If the motor does
not shut off, unplug the air compressor. If the pressure switch is
defective, replace it.
Check the air requirements of the accessory that is being used. If it
is higher than the air flow (litre per minute) and pressure supplied by
the compressor, a larger capacity compressor is needed.
Replace the regulator.
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