Troubleshooting - Hilti SFC 14-A Mode D'emploi

- If the battery no longer reaches full charge, it may
have lost capacity due to aging or overstressing. It
is possible to continue working with a battery in this
condition but it should be replaced in good time.
8.4 Maintenance
WARNING
Repairs to the electrical section of the power tool
may be carried out only by trained electrical spe-
cialists.

9. Troubleshooting

Fault
The power tool doesn't run.
The power tool doesn't run
and 1 LED blinks.
The on / off switch can't be
pressed, i.e. the switch is
locked.
The battery runs down more
quickly than usual.
The battery doesn't engage
with an audible double click.
LED 1 blinks
Printed: 07.07.2013 | Doc-Nr: PUB / 5070682 / 000 / 00
Check all external parts of the power tool for damage
at regular intervals and check that all controls operate
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.
8.5 Checking the power tool after care and
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 discharged.
The battery is too hot or too cold.
The forward / reverse switch is in
the middle position (transport lock
engaged).
Battery condition is not optimal.
The retaining lugs on the battery
are dirty.
The battery is discharged.
The power tool has been
overloaded (application limits
exceeded).
maintenance
Remedy
The battery must be heard to en-
gage with a double click or, respec-
tively, needs to be charged.
Remove the battery from the power
tool and contact Hilti Service.
Change the battery and recharge
the discharged battery.
Bring the battery to the recom-
mended working temperature.
Push the forward / reverse switch
to the left or right.
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.
Charge the battery.
Use the right power tool for the job
(don't use a low-powered tool for
heavy work).
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