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Important notice on the batteries for the Hitachi cordless power tools
Please always use one of our designated genuine batteries. We cannot guarantee the safety
and performance of our cordless power tool when used with batteries other than these
designated by us, or when the battery is disassembled and modifi ed (such as disassembly
and replacement of cells or other internal parts).
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 Hitachi Authorized Service Center.
Symptom
Tool doesn't run
Tool suddenly stopped Tool was overburdened
Tool bits
- can't be attached
- fall off
Switch can't be pulled
An abnormal high-
pitched noise occurs
when the trigger switch
is pulled.
Screw head slips or
comes loose.
Possible cause
No remaining battery power
The trigger switch was held down
while the battery was inserted.
The battery is overheated.
The trigger switch was held down
for 5 minutes or more.
The shape of the attachment
portion doesn't match
Forward/reverse selector button is
positioned halfway
The trigger switch is being pulled
only slightly.
Bit number doesn't match with the
screw size
The bit is worn
Charge the battery.
The safety function was activated.
If the trigger switch is released
once and then pulled again, the
tool will run.
Get rid of the problem causing the
overburden.
Let the battery cool down.
This is not a malfunction.
The motor was automatically
stopped to prevent failure of the
tool.
Use a bit with a hexagonal shaft
that has a width across fl ats of
6.35 mm.
If you are using an S-type tool
bit, replace it with an L-type bit or
install a bit attachment
(sold separately.)
Press the button fi rmly into
position for the desired direction
of rotation.
This is not a malfunction.
It does not occur if the trigger
switch is pulled more fully.
Install a suitable bit.
Replace with a new bit.
37
English
Remedy
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