14 English 2145526
*2145526*
Trouble or fault Possible cause Action to be taken
The power tool
doesn’t run.
The battery is not fully
inserted.
▶ Push the battery in
until it engages with
an audible double
click.
Low battery. ▶ Change the battery
and charge the empty
battery.
The power tool
doesn’t run.
The battery is not fully
inserted.
▶ Push the battery in
until it engages with
an audible double
click.
Low battery. ▶ Change the battery
and charge the empty
battery.
Running speed sud-
denly drops consid-
erably.
Low battery. ▶ Change the battery
and charge the empty
battery.
The battery runs
down more quickly
than usual.
Very low ambient tem-
perature.
▶ Allow the battery to
warm up slowly to
room temperature.
The battery doesn’t
engage with an audi-
ble double click.
The retaining lugs on the
battery are dirty.
▶ Clean the retaining
lugs and push the
battery in until it
engages. Contact
Hilti Service if the
problem persists.
The power tool or
the battery becomes
very warm.
Electrical fault. ▶ Switch the power
tool off immediately,
remove the battery,
keep it under obser-
vation, allow it to cool
down and contact
Hilti Service.
The tool is overloaded
(application limits ex-
ceeded).
▶ Select a suitable
power tool for the
application.
10 RoHS (Restriction of Hazardous Substances)
Click on the link to go to the table of hazardous substances:
qr.hilti.com/r3357052.
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