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However, signifi cantly reduced battery usage time may
be recovered by repeatedly charging and using the
batteries two to fi ve times.
If the battery usage time is extremely short despite
repeated charging and use, consider the batteries dead
and purchase new batteries.
CAUTION
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
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.
1. Power tool
Symptom
Tool doesn't run
Tool suddenly stopped
Tool sockets
-can't be attached
-fall off
-can't be removed
Switch can't be pulled
An abnormal high-pitched
noise occurs when the
trigger switch is pulled.
Battery cannot be installed
Possible cause
No remaining battery power
Tool was overburdened
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.
Attempting to install a battery other than that
specifi ed for the tool.
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).
NOTE
Due to HITACHI's continuing program of research and
development, the specifi cations herein are subject to
change without prior notice.
Charge the battery.
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.
Make sure to use sockets with the
appropriate square drive size.
WR36DA: 19 mm
WR36DB: 12.7 mm
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.
Please install a multi volt type battery.
13
Remedy
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