Hilti SF 4-A22 Manual Del Usuario página 21

▶ Store the product and the batteries in a cool and dry place. Comply with
the temperature limits stated in the technical data.
▶ Do not store batteries on the charger. Always remove the battery from
the charger when the charging operation has completed.
▶ Never leave batteries in direct sunlight, on sources of heat, or behind
glass.
▶ Store the product and batteries where they cannot be accessed by
children or unauthorized persons.
▶ Prior to each use and before and after prolonged storage, check the
product and the batteries for damage.
8 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable
to remedy the problem by yourself, please contact Hilti Service.
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.
*2253606*
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.
2253606
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.
English 15