Troubleshooting; Disposal - Hilti SF 2-A Original Operating Instructions

9 Troubleshooting

Fault
The power tool does-
n't run.
en
The on / off switch
can't be pressed, i.e.
the switch is locked.
The battery runs
down more quickly
than usual.
The battery does
not engage with an
audible click.
The power tool or
the battery becomes
very warm.

10 Disposal

CAUTION
Improper disposal of the equipment may have serious consequences: the
burning of plastic components generates toxic fumes which may present
a health hazard. Batteries may explode if damaged or exposed to very
high temperatures, causing poisoning, burns, acid burns or environmental
pollution. Careless disposal may permit unauthorized and improper use of
44
Printed: 24.03.2014 | Doc-Nr: PUB / 5174884 / 000 / 00
Possible cause
The battery is
discharged or fitted
incorrectly.
Electrical fault.
The forward / reverse
switch is in the middle
position (transport lock
engaged).
Battery condition is not
optimal.
The retaining lugs on the
battery are dirty.
Electrical fault.
The power tool has been
overloaded (application
limits exceeded).
Remedy
The battery must be
heard to engage with
a click or, respectively,
needs to be charged.
Remove the battery from
the power tool and con-
tact Hilti Service.
Push the forward / re-
verse switch to the left or
right.
Have battery condition
diagnosed by Hilti Ser-
vice or replace with a
new battery.
Clean the retaining lugs
and check that the bat-
tery engages securely.
Contact Hilti Service if
the problem persists.
Switch the power tool off
immediately, remove the
battery and contact Hilti
Service.
Use the right power tool
for the job (don't use a
low-powered tool for
heavy work).