MasterCraft 299-3117-6 Instruction Manual page 19

TROUBLESHOOTING
Problem Possible Causes
Motor stalls Low voltage
Defective pressure switch
bleeder valve
Pressure relief Tank pressure exceeded normal
valve opens operating pressure
Pressure switch stuck
Motor will not run Tank pressure exceeds preset
pressure switch limit
Motor overload protection has
tripped
Circuit breaker tripped
Check valve stuck open
Pressure bleeder valve on
pressure switch has not
unloaded head pressure
Wrong wire gauge in cord or
excessive extension cord length
Loose electrical connections
Paint spray on internal motor
parts
Possible defective motor
NOTE:
Not all problems and corrections will apply to the compressor.
CAUTION!
• Always disconnect the compressor from the electrical power source before handling. If the system fails to operate
properly, carefully read instructions and perform maintenance recommendations. If operating problems persist, the
troubleshooting chart above may be of assistance in identifying and correcting them.
Solution
Furnish adequate power.
Replace pressure switch bleeder valve.
Replace pressure switch.
Replace pressure switch.
Motor will start automatically when
tank pressure drops below
kick-in pressure of pressure tank.
To reset the motor overload, toggle the
ON/OFF switch to the OFF position and
unplug the unit from the power outlet.
Allow a minimum of 10 minutes for
motor overload cut-out to cool and
reset. Unit can then be plugged in and
restarted.
Reset circuit breaker. Do not use circuit
breaker with higher rating than
specified for your branch circuit.
Check for low voltage and proper
extension cord size.
Disconnect other applications from
circuit. Operate compressor
on a dedicated circuit.
Remove and clean or replace.
Bleed line by moving pressure switch
lever to OFF position before restarting.
If bleeder valve does not open, replace
bleeder valve.
Check for proper gauge and extension
cord length.
Contact authorized service centre.
Have checked at service centre. Do not
operate compressor in the paint spray
area.
Have checked at service centre.
el.
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