Trouble or fault
The power tool
doesn't start.
The power tool
doesn't start and the
service indicator
lights red.
No hammering ac-
tion.
12
English
Printed: 08.07.2019 | Doc-Nr: PUB / 5210095 / 000 / 03
Possible cause
Interruption in the elec-
tric supply.
The supply cord or plug
is defective.
The control switch is
defective.
Generator in sleep mode ▶ Apply a load to
The carbon brushes are
worn.
A fault has occurred in
the tool.
The power tool is too
cold.
A fault has occurred in
the tool.
Action to be taken
▶ Plug in another power
tool or appliance
and check whether it
works.
▶ Have the parts
checked by a trained
electrical specialist
and replaced if
necessary.
▶ Have the power tool
checked by a trained
electrical special-
ist and the carbon
brushes replaced if
necessary.
the generator by
connecting a second
power consumer (e.g.
worklight).
▶ Have the parts
checked by a trained
electrical specialist
and replaced if
necessary.
▶ Have the tool repaired
by Hilti Service.
▶ Bring the tip of the
drill bit or chisel
into contact with
the workpiece and
allow the power tool
to run under no load
until it reaches the
minimum operating
temperature.
▶ Have the tool repaired
by Hilti Service.
2064796
*2064796*