Storage
WARNING
Accidental damage caused by defective or leaking batteries !
▶ Always store your products with the batteries removed!
▶ Store the product and the batteries in a cool and dry place. Comply with the temperature limits stated in
the technical data.
▶ Do not store batteries on the charger. Always remove the battery from the charger when the charging
operation has completed.
▶ Never leave batteries in direct sunlight, on sources of heat, or behind glass.
▶ Store the product and batteries where they cannot be accessed by children or unauthorized persons.
▶ Prior to each use and before and after prolonged storage, check the product and the batteries for
damage.
9
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 does not
work.
The power tool doesn't work
and all four LEDs blink.
The power tool does not work
and one LED flashes.
The on/off button cannot be
pressed, i.e. the button is
locked.
No hammering action.
The battery runs down more
quickly than usual.
The battery does not engage
with an audible double click.
The tool or battery gets very
hot.
*2184701*
Possible cause
The battery is not fully inserted.
Battery is discharged.
The power tool has been over-
loaded briefly.
The overheating cut-out has been
activated.
Battery is discharged.
The battery is too hot or too cold.
The forward/reverse switch is in
the middle position.
The operating mode is not set cor-
rectly at the selector ring.
Very low ambient temperature.
The retaining lugs on the battery
are dirty.
The tool is overloaded (application
limits exceeded).
2184701
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.
▶ Set the selector ring to the
"Hammer drilling" position
▶ 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 the "Technical
data" section.
English
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