Hilti SF 4-A22 Manual Del Usuario página 20

▶ Check the tool and batteries for damage before use after long periods of
storage.
8 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable
to remedy the problem by yourself, contact
Trouble or fault
The power tool 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.
The power tool or
the battery becomes
very warm.
9 Disposal
Most of the materials from which Hilti tools and appliances are manu-
factured can be recycled. The materials must be correctly separated before
they can be recycled. In many countries, your old tools, machines or appli-
14 English
Possible cause
The battery is not fully
inserted.
Low battery.
The forward/reverse
selector switch is in the
middle position.
Very low ambient tem-
perature.
The retaining lugs on the
battery are dirty.
Electrical fault.
The tool is overloaded
(application limits ex-
ceeded).
Service.
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
lugs and push the
battery in until it
engages. Contact
Hilti Service if the
problem persists.
▶ Switch the power
tool off immediately,
remove the battery,
keep it under obser-
vation, allow it to cool
down and contact
Hilti Service.
▶ Select a suitable
power tool for the
application.
2253605
*2253605*