Troubleshooting - Hilti TE 30-A36 Original Operating Instructions

faultlessly. Do not operate the power tool if parts
are damaged or when the controls do not function
faultlessly. If necessary, the power tool should be
repaired by Hilti Service.

9. Troubleshooting

Fault
The power tool doesn't run.
The power tool doesn't run
and 1 LED blinks.
The tool doesn't work and all
4 LEDs blink.
The battery runs down more
quickly than usual.
The battery doesn't engage
with an audible double click.
The control switch can't be
pressed, i.e. the switch is
locked.
The drive spindle doesn't ro-
tate.
The power tool switches itself
off automatically.
The power tool or the battery
gets very warm.
8.6 Checking the power tool after care and
maintenance
After carrying out care and maintenance work on
the power tool, check that all protective and safety
devices are fitted and that they function faultlessly.
Possible cause
The battery is discharged or fitted
incorrectly.
Electrical fault.
The battery is too hot or too cold.
The battery is discharged.
The battery is too hot or too cold.
The power tool has been over-
loaded.
The overheating prevention cut-out
has been activated.
Battery condition is not optimal.
The retaining lugs on the battery
are dirty.
The forward / reverse switch is in
the middle position (transport lock
engaged).
The permissible operating temper-
ature of the power tool's electron-
ics has been exceeded.
The permissible battery operating
temperature has been exceeded.
The battery is discharged.
The overload cut-out has been ac-
tivated.
Electrical fault.
Remedy
The battery must be heard to en-
gage with a double click or, re-
spectively, needs to be charged.
Remove the battery from the power
tool and contact Hilti Service.
Bring the battery to the recommen-
ded working temperature.
Change the battery and recharge
the discharged battery.
Bring the battery to the recommen-
ded working temperature.
Release the control switch and
press it again.
Allow the power tool to cool down.
Clean the ventilation slots.
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.
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.
Switch the power tool off imme-
diately, remove the battery and
contact Hilti Service.
en
31