TROUBLESHOOTING
WARNING
○ To avoid injury from an accidental start, turn the switch OFF and remove the plug from the power source or remove
the battery from the main body before making any adjustments.
○ All electrical or mechanical repairs should be done only by qualifi ed service technicians. Contact HiKOKI Authorized
Service Center.
1. Cordless Air Compressor
Problem
The compressor does
not run.
The thermal overload
protector cuts out
repeatedly.
The air receiver
pressure drops when the
compressor shuts off .
There is excessive
moisture in the air
discharge.
Air is leaking from the
compressor.
The compressor runs
continuously
The compressor vibrates.
The air output is lower than
normal.
Battery cannot be installed Attempting to install a battery other than
Possible Cause
Loss of power or overheating.
There is no electrical power being supplied
to compressor or the power switch is in the
OFF position.
Thermal overload open.
The power switch is bad.
Tank is full of air.
A poorly ventilated room is causing the
motor to overheat.
The connections are loose or leaking
(fi ttings, tubing, etc.).
The drain valve is loose.
The check valve is leaking.
There is excessive water in the tank.
The humidity is high.
The hose connection is loose or improperly
sealed.
The air hose is broken or damaged.
The drain valve is open.
The power switch is defective.
The usage is excessive.
The compressor mounting bolts are loose.
The inlet valves are broken.
The connections are leaking.
that specifi ed for the tool.
Check for proper use of battery.
Check to be sure the battery is installed in
and the power switch is in the ON position.
First remove the battery and wait until it
becomes cool.
Replace the power switch.
Compressor will turn on when tank
pressure drops to cut-in pressure.
Move the compressor to well-ventilated
area.
Check all the connections with soapy water
and look for bubbles. Tighten any loose
conections until the leak stops.
Tighten the drain valve.
Take the compressor to a service center.
WARNING
Do not disassemble check valve while
air is in tank - empty the all the air out of
the tank before dissasembly.
Drain the tank to remove water.
Move the compressor to an area of less
humidity or use an air line fi lter to reduce
moisture discharge in the tank.
Ensure connections are sealed with thread
sealing tape and tightened.
Replace the air hose.
Ensure the drain valve is closed.
Take the compressor to a service center.
Decrease the amount of tool run-time; the
compressor is not large enough to supply
the air requirement of the tool.
Tighten mounting bolts.
Take the compressor to a service center.
Apply thread sealing tape to fi tting and
tighten.
Please install a multi volt type battery.
17
English
Remedy