▶ Check the tool and batteries for damage before use after long periods of storage.
8
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
The power tool doesn't run.
The power tool doesn't work
and all four LEDs blink.
The power tool doesn't work
and one LED blinks.
The on/off button cannot be
pressed, i.e. the button is
locked.
The battery runs down more
quickly than usual.
The battery doesn't engage
with an audible double click.
The power tool or battery
gets very hot.
9
Disposal
Most of the materials from which Hilti tools and appliances are manufactured can be recycled. The
materials must be correctly separated before they can be recycled. In many countries, your old tools,
machines or appliances can be returned to Hilti for recycling. Ask Hilti Service or your Hilti representative
for further information.
Battery disposal
Improper disposal of batteries can result in health hazards from leaking gases or fluids.
▶ DO NOT send batteries through the mail!
▶ Cover the terminals with a non-conductive material (such as electrical tape) to prevent short circuiting.
▶ Dispose of your battery out of the reach of children.
▶ Dispose of the battery at your Hilti Store, or consult your local governmental garbage disposal or public
health and safety resources for disposal instructions.
▶ Do not dispose of power tools, electronic equipment or batteries as household waste!
10
Manufacturer's warranty
▶ Please contact your local Hilti representative if you have questions about the warranty conditions.
10
English
Possible cause
The battery is not fully inserted.
Low battery.
The power tool has been over-
loaded briefly.
The overheating cut-out has been
activated.
Low battery.
The battery is too hot or too cold.
The forward/reverse selector
switch is in the middle position.
Very low ambient temperature.
The retaining lugs on the battery
are dirty.
The tool is overloaded (application
limits exceeded).
Action to be taken
▶ Push the battery in until it
engages with an audible double
click.
▶ Change the battery and charge
the empty battery.
▶ Release the control switch and
then press it again.
▶ Allow the power tool to cool
down. Clean the air vents.
▶ Change the battery and charge
the empty battery.
▶ Bring the battery to the recom-
mended operating temperature.
▶ Push the forward/reverse switch
to the left or right.
▶ Allow the battery to warm up
slowly to room temperature.
▶ Clean the retaining lugs and
push the battery in until it
engages. Contact Hilti Service
if the problem persists.
▶ Pay attention to the power
and performance rating of the
product before using it, i.e
check its suitability for the job
on hand. See "Technical data"
section.
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