Use and Care Manual

14 English 2242466
*2242466*
Trouble or fault Possible cause Action to be taken
The screwdriver
doesn’t work.
The battery is not in the
working position.
▶ Insert the battery.
→ page 10
The screwdriver
doesn’t work and
one LED blinks.
Low battery. ▶ Insert a charged
battery.
▶ Charge the battery.
→ page 9
The battery is too hot or
too cold.
▶ Bring the battery to
the recommended op-
erating temperature.
The screwdriver
doesn’t work and
all four LEDs blink.
The overload cut-out
has been activated.
▶ Release the control
switch and then press
it again. Reduce the
load on the tool.
Screw is not com-
pletely offset and
tool stops.
Battery level too low. ▶ Insert a stronger Hilti
battery ≥ B22/3.0Ah.
The control switch
can’t be pressed, i.e.
the switch is locked.
The safety lock is en-
gaged.
▶ Set the forward / re-
verse selector switch
to forward or reverse
rotation.
The screwdriver runs
but the screw can’t
be driven.
The wrong direction of
rotation is set.
▶ Use the forward
/ reverse selector
switch to set the right
direction of rotation.
Running speed sud-
denly drops consid-
erably.
Low battery. ▶ Charge the battery.
→ page 9
The battery runs
down more quickly
than usual.
Battery condition is not
optimal.
▶ Have the battery
condition diagnosed
by Hilti Service or fit a
new battery.
The battery doesn’t
engage with an audi-
ble click.
The retaining lugs on the
battery are dirty.
▶ Clean the retaining
lugs and engage the
battery in the working
position.
The screwdriver or
the battery gets very
hot.
Electrical fault. ▶ Switch the screw-
driver off immediately,
remove the battery
and contact Hilti Ser-
vice.