Hilti NURON SF 4-22 Mode D'emploi page 43

9 Troubleshooting
If a problem occurs, always observe the charge-status and fault indicator of
the battery. See the section headed Status indicators of the Li­ion battery.
If the trouble you are experiencing is not listed in this table or you are unable
to rectify the problem by yourself, please contact Hilti Service.
Trouble or fault
Product does not
work.
The control switch
cannot be pressed,
or is stuck.
The battery runs
down more quickly
than usual.
The battery doesn't
engage with an audi-
ble click.
Product or battery
gets very warm.
LEDs of the battery
show nothing
*2272252*
Possible cause
The battery is not fully
inserted.
Battery is discharged.
The forward/reverse
switch is in the middle
position.
Very low ambient tem-
perature.
The retaining lugs on the
battery are dirty.
Electrical fault.
Battery defective
2272252
Action to be taken
▶ Push the battery in
until it engages with
an audible click.
▶ Change the battery
and charge the empty
battery.
▶ Push
the
forward/reverse
switch to the left or
right.
▶ Allow the battery to
warm up slowly to
room temperature.
▶ Clean the retaining lug
and push the battery
in until it engages.
Contact Hilti Service if
the problem persists.
▶ Switch the product off
immediately, remove
the battery, keep it
under observation,
allow it to cool down
and contact Hilti
Service.
▶ Contact Hilti Service.
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