HIKOKI DV 18DGAL Handling Instructions Manual - Page 8

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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.
Symptom
Tool doesn't run
Tool suddenly stopped
Tool bits
-can't be attached
-fall off
Switch can't be pulled
Screw head slips or comes
loose.
Holes can't be smoothly
drilled.
The pilot lamp is rapidly
fl ickers red, and battery
charging doesn't begin.
The pilot 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.
Possible cause
No remaining battery power
Battery isn't securely attached.
Tool was overburdened
Battery overheated
The shape of the attachment portion doesn't
match
The lock of the keyless chuck is worn
Forward/reverse selector button is
positioned halfway
Bit number doesn't match with the screw
size
The bit is worn
The drill is worn
Rotation speed isn't appropriate
The drill is rotating in reverse
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.
Charge the battery.
Push in the battery until a click is heard.
Remove the cause of the overburdening.
Allow the battery to thoroughly cool.
The chucking diameter of the keyless chuck
is 1.5 mm to 13 mm. Use a bit that falls
within the stated range.
Contact a HiKOKI Authorized Service
Center and arrange to have the old keyless
chuck replaced with a new one.
Press the button fi rmly into position for the
desired direction of rotation.
Install a suitable bit.
Replace with a new bit.
Replace with a new drill.
Adjust the rotation speed (HIGH/LOW) to
match the material to be drilled.
Switch to forward rotation.
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.
8
Remedy