Hilti SF 14-A Manual De Instrucciones página 25

9 Troubleshooting
Fault
The power tool does-
n't run.
The power tool does-
n't run and all 4 LEDs
blink.
The power tool does-
n't run and 1 LED
blinks.
No hammering ac-
tion.
The on / off switch
can't be pressed, i.e.
the switch is locked.
The battery runs
down more quickly
than usual.
The battery doesn't
engage with an audi-
ble double click.
Printed: 30.09.2013 | Doc-Nr: PUB / 5071630 / 000 / 02
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Possible cause
The battery is
discharged or fitted
incorrectly.
Electrical fault.
The power tool has been
overloaded.
The overheating preven-
tion cut-out has been
activated.
The battery is
discharged.
The battery is too hot or
too cold.
The torque and operat-
ing mode setting ring are
not set to the hammer
drilling symbol.
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.
Remedy
The battery must be
heard to engage with
a double click or, re-
spectively, needs to be
charged.
Remove the battery from
the power tool and con-
tact Hilti Service.
Release the control
switch and press it
again.
Allow the power tool to
cool down.
Clean the ventilation
slots.
Change the battery and
recharge the discharged
battery.
Bring the battery to the
recommended working
temperature.
Turn the torque and op-
erating mode setting ring
to the hammer drilling
symbol.
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.
en
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