Hilti TE 2-A22 Operating Instructions Manual page 15

8 Troubleshooting
8.1 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.
8.2 The rotary hammer is not in working order
Trouble or fault
The rotary hammer doesn't
start.
The LEDs indicate nothing.
1 LED blinks.
4 LEDs blink.
8.3 The rotary hammer is in working order
Trouble or fault
No hammering action.
The control switch can't be
pressed, i.e. the switch is
locked.
The drive spindle does not
rotate.
The rotary hammer switches
itself off automatically.
The battery runs down more
quickly than usual.
*2023934*
Possible cause
The rotary hammer has been over-
loaded.
The battery is not fully inserted.
The battery is discharged.
The battery is too hot or too cold.
The battery is discharged.
The battery is too hot or too cold.
The rotary hammer has been over-
loaded briefly.
The overheating prevention cut-out
has been activated.
Possible cause
The rotary hammer is too cold.
The function selector switch is set
to "Drilling without hammering"
The forward / reverse switch is in
the middle position.
The permissible operating temper-
ature of the rotary hammer's elec-
tronics has been exceeded.
The battery is discharged.
The overload cut-out has been
activated.
Battery condition is not optimal.
2023934
Action to be taken
▶ Switch off the rotary hammer,
remove the battery and do
not continue to use the rotary
hammer.
▶ Push the battery in until it
engages with a double click.
▶ Change the battery and charge
the empty battery.
▶ Bring the battery to the recom-
mended working temperature.
▶ Change the battery and charge
the empty battery.
▶ Bring the battery to the recom-
mended working temperature.
▶ Release the control switch and
then press it again.
▶ Allow the rotary hammer to cool
down and clean the air vents.
Action to be taken
▶ Bring the tip of the drill bit
into contact with the working
surface, switch the rotary
hammer on and allow it to
run. If necessary, repeat the
procedure until the hammering
mechanism begins to operate.
▶ Set the function selector switch
. to "Hammer drilling"
▶ Push the forward / reverse
switch to the right or left.
▶ Allow the rotary hammer to cool
down.
▶ Change the battery and charge
the empty battery.
▶ Release the control switch.
Allow the rotary hammer to cool
down. Press the control switch
again. Reduce the load on the
tool.
▶ Replace the battery.
.
English 9