Installation Guide

200-2757 21
Note: Troubleshooting problems may have similar causes and solutions.
TROUBLESHOOTING CHART
PROBLEM POSSIBLE CAUSE SOLUTION
Low pressure or not
enough air
or
Compressor does not
stop
Tank drain valve is open Close drain valve
Fittings Leak Check fittings with soapy water. Tighten or reseal leaking fittings.
DO NOT OVERTIGHTEN.
Restricted air intake Clean or replace air filter element.
Prolonged excessive use of air Decrease amount of air used.
Compressor not large enough Check air requirement of accessory. If it is higher than CFM and
pressure supplied by compressor, you need a larger compressor.
Most accessories are rated at 25% of actual CFM while running
continuously.
Hole in air hose Check and replace if necessary.
Tank leaks Immediately replace tank. DO NOT attempt to
repair.
Blown seals Replace compressor assembly.
Valve leaks Replace compressor assembly.
Leaking or worn piston Replace compressor assembly.
Air leaks from regulator,
or regulator does not
regulate pressure
Dirty or damaged regulator
internal parts.
Replace regulator or internal parts.
Regulated pressure gauge
reading drops when air
accessory is being used
This is normal If pressure drops too low, adjust regulator while accessory is used.
Compressor not large enough Check air requirement of accessory. If it is higher than CFM and
pressure supplied by compressor, you need a larger compressor.
Most accessories are rated at 25% of actual CFM while running
continuously.
Pressure relief valve
opens
Tank pressure exceeded normal
operating pressure
Replace pressure switch
Pressure switch stuck Replace pressure switch
Motor will not run Tank pressure exceeds preset
pressure switch limit
Motor will start automatically when tank pressure drops below
kick-in pressure of pressure tank.
Motor overload protection has
tripped
To reset the motor overload, toggle the pressure 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.
Fuse blown or circuit breaker
tripped
• Replace blown fuse or resed circuit breaker. Do not use fuse or
circuit breaker with higher rating than specified for your branch
circuit.
• Check for proper fuse; “Fusetron” type T is acceptable.
• Check for low voltage and proper extension cord size.
• Disconnect other applications from circuit. Operate compressor
on a dedicated circuit.
Check valve stuck open Remove and clean or replace.
Pressure bleeder valve on
pressure switch has not
unloaded head pressure
Bleed line by moving pressure switch lever to OFF Position before
restarting. If bleeder valve does not open, replace bleeder valve.
Wrong wire gauge in cord or
excessive extension cord length
Check for proper gauge and extension cord length.
Loose electrical connections Contact authorized service center.
Possible defective capacitor Contact authorized service center.
Paint spray on internal motor
parts
Have checked at service center. Do not operate compressor in the
paint spray area
Possible defective motor Have checked at service center.
WARNING: