27
Owner’s Manual
Compressor (cont’d)
TROUBLE SHOOTING (cont’d)
Overheating
• Poor ventilation
Relocate compressor to an area with cool, dry and well-circulated air.
• Dirty cooling surface
Clean all cooling surface of pump thoroughly.
• Leaking valve
Replace worn parts and reassemble with new seals.
Motor stalls
• Low voltage
Furnish adequate power.
• Defective pressure switch bleeder valve.
Replace pressure switch bleeder valve.
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 present pressure switch limit
Motor will start automatically when tank pressure drops below kick-in pressure.
• Motor overload protection has tripped
Let motor cool off and overload switch will automatically reset. This may take several
minutes.
28
Owner’s Manual
Compressor (cont’d)
TROUBLE SHOOTING (cont’d)
Motor will not run (cont’d)
• Fuse blown or circuit breaker tripped
Replace blown fuse or reset circuit breaker. Do not use fuse or circuit breaker with
higher ratting than specified for your 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 extension cord
Check for proper gauge and extension cord length.
• Paint spray on internal motor parts
Bring to service center for service. Do not operate compressor in the paint spray area.
• Possible defective motor
Bring to service center for inspection and repair.
