Trouble or fault
The power tool doesn't start.
Power tool does not start and
the service indicator shows
red.
The power tool starts and the
service indicator lights red.
The power tool doesn't start
and the service indicator
blinks red.
The drill bit doesn't rotate.
The chisel cannot be released
from the chuck.
8 Disposal
Most of the materials from which Hilti tools and appliances are manufactured can be recycled. The
materials must be correctly separated before they can be recycled. In many countries, your old tools,
machines or appliances can be returned to Hilti for recycling. Ask Hilti Service or your Hilti representative
for further information.
▶ Disposal of electric tools or appliances together with household waste is not permissible.
9 Manufacturer's warranty
▶ Please contact your local Hilti representative if you have questions about the warranty conditions.
Printed: 08.03.2017 | Doc-Nr: PUB / 5070996 / 000 / 03
Possible cause
The generator is in sleep mode.
Electrical fault.
The electronic restart interlock is
activated after an interruption in
the electric supply.
The carbon brushes are worn out.
Electrical fault.
End of service interval – servicing
is due.
A fault has occurred in the tool.
The function selector switch is
not engaged or is in the "drilling
without hammering"
or hammer
drilling
position.
The chuck is not pulled back fully.
Action to be taken
▶ Apply a load to the generator
by connecting a second power
consumer (e.g. worklight).
▶ Have the power tool and supply
cables checked by a trained
electrical specialist.
▶ Switch the power tool off and
then on again.
▶ Have the power tool checked by
a trained electrical specialist and
the carbon brushes replaced if
necessary.
▶ Have the tool checked by Hilti
Service.
▶ Have the tool repaired only by a
Hilti Service Center.
▶ Have the tool repaired by a
trained electrical specialist.
▶ Set the function selector switch
to "Drilling without hammering"
or "Hammer drilling"
▶ Pull the chuck back as far
as it will go and remove the
accessory tool.
English
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