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ENGLISH
TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE
REMEDY
Compressor runs continuously
Petcock is open
Close petcock
Prolonged or excessive use of air
Decrease air demand
Compressor is not large enough for
job
Check the air requirement of air
equipment.
Restricted check valve
Remove and clean, or replace
Leak in air hose or connector
Check and replace if necessary
Tank leaks
Replace tank immediately! Do not
attempt to repair!
Blown seals
Replace
Compressor starts and stops
excessively when not in use
Petcock is partially open
Close petcock
Fittings leak
Check fittings with soapy water.
Tighten or re-seal fittings. Do not
over-tighten
Compressor will not start
Fuse or circuit breaker tripped
Check for cause & replace or reset
Loose electrical connections
Check wiring connections
Extension cord not correct
Max. 50 ft. min. 14 ga.
Low voltage
Consult electrician
Overheated motor
Use reset button or wait for auto reset
Check valve is stuck open
Remove and clean or replace
Pressure bleeder valve on pressure
switch has not unloaded head
pressure
Move switch to Off and then restart
Paint spray on internal motor parts
Consult service centre
Circuit breaker trips (or fuse blows) too
often
Low voltage
Consult electrician
Excessive wire length
Try to run compressor without
extension cord
Restricted air passages
Contact service centre
back pressure in pump head
Replace check valve
Replace pressure switch bleeder valve
Low pressure
Air leak in safety relief valve
Check valve manually: pull ring
outward
Restricted air filter
Clean or replace air filter
Defective check valve
Replace check valve
Safety pressure relief valve opens
Defective pressure switch or improper
adjustment
Check for proper adjustment and if
problem persists, replace pressure
switch
Oil discharge in air
Improper oil viscosity
Replace with SAE-20 non-detergent
compressor oil
Too much oil in crankcase
Drain crankcase and fill to correct level
Compressor overheated
Air pressure regulated too high
Reduce regulator setting
Restricted air filter
Clean and replace air filter
Poor ventilation
Relocate compressor
Dirty cooling surface
Clean pump cooling vanes
Other
Contact technical support department:
1-866-206-0888
