Hilti TE 6-A36 Original Operating Instructions page 29

Fault
The power tool doesn't run
and 1 LED blinks.
The power tool doesn't run
and all 4 LEDs blink.
No hammering action.
The control switch can't be
pressed, i.e. the switch is
locked.
The drive spindle doesn't
rotate.
The power tool switches itself
off automatically.
The battery runs down more
quickly than usual.
The battery doesn't engage
with an audible double click.
The power tool or the battery
gets very warm.
The insert tool can't be
released.
The tool makes no progress.
Possible cause
The battery is discharged.
The battery is too hot or too cold.
The power tool has been overloaded. Release the control switch and
The overheating prevention cut-out
has been activated.
The power tool is too cold.
The function selector switch is set
to "Drilling without hammering".
The forward/reverse switch is set to
reverse rotation.
The forward / reverse switch is in
the middle position (transport lock
engaged).
The permissible operating temper-
ature of the power tool's electronics
has been exceeded.
The permissible battery operating
temperature has been exceeded.
The battery is discharged.
The overload cut-out has been
activated.
Battery condition is not optimal.
The retaining lugs on the battery are
dirty.
Electrical fault.
The power tool has been overloaded
(application limits exceeded).
The chuck is not pulled back fully.
The forward/reverse switch is set to
reverse rotation.
Remedy
Change the battery and recharge the
discharged battery.
Bring the battery to the recommen-
ded working temperature.
press it again.
Allow the power tool to cool down.
Clean the ventilation slots.
Allow the power tool to warm
up to the minimum operating
temperature.
See section: 7.2.1 Working at low
temperatures
Set the function selector switch to
"Hammer drilling".
Set the forward/reverse switch to
forward rotation.
Push the forward / reverse switch
to the left or right.
Allow the power tool to cool down.
Bring the battery to the recommen-
ded working temperature.
Change the battery and recharge the
discharged battery.
Release the control switch, reduce
the load on the power tool and then
press the switch again.
Have battery condition diagnosed
by Hilti Service or replace with a
new battery.
Clean the retaining lugs and check
that the battery engages securely.
Contact Hilti Service if the problem
persists.
Switch the power tool off imme-
diately, remove the battery and
contact Hilti Service.
Use the right power tool for the job
(don't use a low-powered tool for
heavy work).
Pull the chuck back as far as it will
go and remove the insert tool.
Set the forward/reverse switch to
forward rotation.
en
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