English 13
▶ Store the tool and batteries in a place where they cannot be accessed by
children or unauthorized persons.
▶ Check the tool and batteries for damage before use after long periods of
storage.
8 Troubleshooting
8.1 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable
to remedy the problem by yourself, please contact Hilti Service.
Trouble or fault Possible cause Action to be taken
The power tool does
not work.
The battery is not fully
inserted.
▶ Push the battery in
until it engages with
an audible click.
The control switch
cannot be pressed,
or is stuck.
The forward/reverse
selector switch is in the
middle position.
▶ Push the
forward/reverse
switch to the left or
right.
Running speed sud-
denly drops consid-
erably.
Low battery. ▶ Change the battery
and charge the empty
battery.
The battery runs
down more quickly
than usual.
Very low ambient tem-
perature.
▶ Allow the battery to
warm up slowly to
room temperature.
The battery doesn’t
engage with an audi-
ble click.
The retaining lugs on the
battery are dirty.
▶ Clean the retaining
lugs and engage the
battery in the working
position.
The power tool or
the battery becomes
very warm.
Electrical fault. ▶ Switch the power
tool off immediately,
remove the battery,
keep it under obser-
vation, allow it to cool
down and contact
Hilti Service.
The tool is overloaded
(application limits ex-
ceeded).
▶ Select a suitable
power tool for the
application.
9 Disposal
Most of the materials from which Hilti tools and appliances are manu-
factured can be recycled. The materials must be correctly separated before
they can be recycled. In many countries, your old tools, machines or appli-
Printed: 26.09.2018 | Doc-Nr: PUB / 5245418 / 000 / 02
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