Operating Instruction SF 4-A22 (01)

*2253605*
2253605 English 15
Trouble or fault Possible cause Action to be taken
The power tool does
not work.
The battery is not fully
inserted.
▶ Push the battery in
until it engages with
an audible click.
Battery is discharged. ▶ Change the battery
and charge the empty
battery.
The control switch
cannot be pressed,
or is stuck.
The forward/reverse
switch is in the middle
position.
▶ Push the
forward/reverse
switch to the left or
right.
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 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.
9 Disposal
WARNING
Risk of injury due to incorrect disposal! Health hazards due to escaping
gases or liquids.
▶ DO NOT send batteries through the mail!
▶ Cover the terminals with a non-conductive material (such as electrical
tape) to prevent short circuiting.
▶ Dispose of your battery out of the reach of children.
▶ Dispose of the battery at your Hilti Store, or consult your local gov-
ernmental garbage disposal or public health and safety resources for
disposal instructions.