Operating Instruction SBT 4-A22 (01)

12 English 2184702
*2184702*
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 double
click.
Low battery. ▶ Change the battery
and charge the empty
battery.
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 does
not work and one
LED flashes.
Low battery. ▶ Change the battery
and charge the empty
battery.
The battery is too hot or
too cold.
▶ Bring the battery to
the recommended op-
erating temperature.
The on/off button
cannot be pressed,
i.e. the button is
locked.
The forward/reverse
selector switch is in the
middle position.
▶ Push the
forward/reverse
switch to the left or
right.
No hammering ac-
tion.
The operating mode is
not set correctly at the
selector ring.
▶ Set the selector ring to
the “Hammer drilling”
position .
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 does
not 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.