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Trouble or fault
1 LED on the battery
flashes.
4 LEDs on the bat-
tery flash.
Product does not
develop full power.
Drill bit does not
rotate.
The insert tool can-
not be released from
the chuck.
Product does not
start.
The service indicator
lights.
*2201899*
Possible cause
Battery is discharged.
The battery is too hot or
too cold.
Product momentarily
overloaded.
Protection against over-
heating.
The control switch is not
fully pressed.
The half-power button is
engaged.
The function selector
switch is not engaged or
is in the "Chiseling" po-
sition
or the "Chisel
positioning" position
The chuck is not pulled
back fully.
The side handle is not
fitted correctly.
The electronic restart
interlock is activated
after an interruption in
the electric supply.
Service limit time
reached.
2201899
Action to be taken
▶ Change the battery
and charge the empty
battery.
▶ Bring the battery to
the recommended
working temperature.
▶ Release the control
switch and then press
it again.
▶ Allow the product to
cool down and clean
the air vents.
▶ Press the control
switch as far as it will
go.
▶ Press the "half-power"
button.
▶ With the motor at
a standstill, set the
function selector
switch to the "Hammer
drilling"
position.
.
▶ Pull the chuck back
as far as it will go and
remove the accessory
tool.
▶ Disengage the side
handle and refit it
correctly so that the
clamping band and
side handle engage in
the recess.
▶ Switch the product off
and then on again.
▶ Have the product
repaired by Hilti
Service.
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