12 ENGLISH
TROUBLESHOOTING
do not attempt to dismantle the tool.
State of abnormality Probable cause (malfunction) Remedy
Compressor will not run. Defective pressure switch. Ask your local authorized service center for repair.
Tank pressure exceeds pressure switch
cut-in pressure.
Compressor will turn on when tank pressure drops
to cut-in pressure.
Defective motor. Ask your local authorized service center for repair.
Safety valve releasing Pressure switch cut-out pressure too
high.
Ask your local authorized service center for repair.
Defective safety valve. Ask your local authorized service center for repair.
repeatedly.
Poor ventilation.
Room temperature is too high.
Move compressor to a well-ventilated area.
Electrical overload.
Defective motor. Ask your local authorized service center for repair.
There is a continuous air leak after
the compressor has stopped.
Check all connections with soap and water solution
and tighten.
Loose or open drain valve. Tighten/close the drain valve.
Air leakage from the check valve. Ask your local authorized service center for repair.
Compressor runs continuously
Check all connections and tighten or replace.
Loose or open drain valve. Tighten/close the drain valve.
Defective pressure switch. Ask your local authorized service center for repair.
Excessive air usage. Decrease air usage. The compressor may not be
large enough for tool’s requirement. The air com-
pressors are recommended to be operated on 50%
or less duty cycle.
Defective air compressor pump (Piston
rings are worn or inlet/outlet valves
broken)
Ask your local authorized service center for repair.
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