English 11
▶ 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
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.
8.1 Troubleshooting
Trouble or fault Possible cause Action to be taken
The power tool doesn’t run. The battery is not fully inserted. ▶ Insert the battery. → page 7
The battery is discharged. ▶ Charge the battery. → page 7
The power tool doesn’t work
and all four LEDs blink.
The power tool has been over-
loaded briefly.
▶ Release the control switch and
then press it again.
The overheating cut-out has been
activated.
▶ Allow the power tool to cool
down. Clean the air vents.
The power tool doesn’t work
and one LED flashes.
The battery is discharged. ▶ Charge the battery. → page 7
The battery is too hot or too cold. ▶ Bring the battery to the recom-
mended operating temperature.
The on/off button can’t be
pressed, i.e. the button is
locked.
The forward/reverse selector
switch is in the middle position.
▶ Set the forward/reverse switch
to the desired position.
→ page 9
No hammering action. The operating mode is not set cor-
rectly at the selector ring.
▶ Set the power tool to “hammer
drilling”. → page 10
The battery runs down more
quickly than usual.
Very low ambient temperature. ▶ Allow the battery to warm up
slowly to room temperature.
The battery doesn’t engage
with an audible double click.
The retaining lugs on the battery
are dirty.
▶ Clean the retaining lugs and
push the battery in until it
engages. Contact Hilti Service
if the problem persists.
The tool or battery gets very
hot.
The tool is overloaded (application
limits exceeded).
▶ 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 the “Technical
data” section.
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!
Printed: 24.09.2018 | Doc-Nr: PUB / 5152424 / 000 / 05
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