Hilti SD 4500-A22 Mode D'emploi page 20

Trouble or fault
The screwdriver
doesn't work and
all four LEDs blink.
The control switch
can't be pressed, i.e.
the switch is locked.
The screwdriver runs
but the screw can't
be driven.
Running speed sud-
denly drops consid-
erably.
The battery runs
down more quickly
than usual.
The battery doesn't
engage with an audi-
ble click.
The screwdriver or
the battery gets very
hot.
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-
ances can be returned to Hilti for recycling. Ask Hilti Service or your Hilti
representative for further information.
14 English
Printed: 15.07.2019 | Doc-Nr: PUB / 5295856 / 000 / 02
Possible cause
The overload cut-out
has been activated.
The safety lock is en-
gaged.
The wrong direction of
rotation is set.
Low battery.
Battery condition is not
optimal.
The retaining lugs on the
battery are dirty.
Electrical fault.
The screwdriver has
been overloaded by
exceeding its application
limits.
Action to be taken
▶ Release the control
switch and then press
it again. Reduce the
load on the tool.
▶ Set the forward / re-
verse selector switch
to forward or reverse
rotation.
▶ Use the forward
/ reverse selector
switch to set the right
direction of rotation.
▶ Charge the battery.
→ page 9
▶ Have the battery
condition diagnosed
by Hilti Service or fit a
new battery.
▶ Clean the retaining
lugs and engage the
battery in the working
position.
▶ Switch the screw-
driver off immediately,
remove the battery
and contact Hilti Ser-
vice.
▶ Select a screwdriver
with adequate per-
formance for the
application.
2153708
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