14 English 2073070
*2073070*
Storage
CAUTION
Accidental damage caused by defective or leaking batteries !
▶ Always store your products with the batteries removed!
▶ Store the tool and batteries in a place that is as cool and dry as possible.
▶ Never store batteries in direct sunlight, on heating units or behind a
window pane.
▶ 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.
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.
9.1 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 11
The battery is
discharged.
▶ Charge the battery.
→ page 11
The power tool
doesn’t work and all
four LEDs blink.
The power tool has been
overloaded 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 11
The battery is too hot or
too cold.
▶ Bring the battery to
the recommended op-
erating 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 12
No hammering ac-
tion.
The operating mode is
not set correctly at the
selector ring.
▶ Set the power tool
to “hammer drilling”.
→ page 12
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