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TROUBLESHOOTING
Use the inspections in the table below if the tool does not operate normally. If this does not remedy the problem, consult your
dealer or the HiKOKI Authorized Service Center.
1. Power tool
Symptom
Tool doesn't run
Tool suddenly stopped
Abnormal noise.
Grinding wheel shakes
Brake doesn't operate
properly.
Battery cannot be installed
2. Charger
Symptom
The charge indicator lamp
rapidly fl ickers purple, and
battery charging doesn't
begin.
The charge indicator lamp
blinks red, and battery
charging doesn't begin.
Battery usage time is short
even though the battery is
fully charged.
The battery takes a long
time to charge.
The USB power lamp
has switched off and the
USB device has stopped
charging.
Possible cause
No remaining battery power
Battery isn't fully installed.
Foreign matter is keeping the lock pin
pressed down.
The battery is installed while the switch is
turned ON.
Tool was overburdened
Overload protection is in operation.
The battery is overheated.
Wheel nut is loose.
The wheel nut, wheel rusher, grinding
wheel, etc. are improperly installed facing
the wrong direction.
Foreign matter is caught between the wheel
nut, wheel washer, grinding wheel, etc.
Main unit may be at fault.
Attempting to install a battery other than that
specifi ed for the tool.
Possible cause
The battery is not inserted all the way.
There is foreign matter in the battery
terminal or where the battery is attached.
The battery is not inserted all the way.
The battery is overheated.
The battery's life is depleted.
The temperature of the battery, the charger,
or the surrounding environment is extremely
low.
The charger's vents are blocked, causing its
internal components to overheat.
The cooling fan is not running.
The battery's capacity has become low.
Charge the battery.
Push the battery in until you hear a click.
Remove the foreign matter from the lock pin.
Turn the switch OFF and then ON again.
Get rid of the problem causing the
overburden.
Let the battery cool down.
Fully tighten the wheel nut.
Check the installed direction and correctly
install the parts.
Remove the foreign matter.
Immediately discontinue use and contact
your dealer for repairs.
Please install a multi volt type battery.
Insert the battery fi rmly.
Remove the foreign matter.
Insert the battery fi rmly.
If left alone, the battery will automatically
begin charging if its temperature decreases,
but this may reduce battery life. It is
recommended that the battery be cooled in
a well-ventilated location away from direct
sunlight before charging it.
Replace the battery with a new one.
Charge the battery indoors or in another
warmer environment.
Avoid blocking the vents.
Contact a HiKOKI Authorized Service
Center for repairs.
Replace the battery with one that has
capacity remaining.
Plug the charger's power plug into an
electric socket.
16
Remedy
Remedy
