Use and Care Manual

8
3. Pull the supply cord connector out of the power tool.
7 Transport and storage
• Do not transport electric tools with accessory tools fitted.
• Always unplug the supply cord before storing an electric tool or appliance.
• Store tools and appliances in a dry place where they cannot be accessed by children or unauthorized
persons.
• Check electric tools or appliances for damage after long periods of transport or storage.
8 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
Trouble or fault Possible cause Action to be taken
The power tool doesn’t start. Interruption in the electric supply. ▶ Plug in another electric tool or
appliance and check whether it
works.
The electronic restart interlock is
activated after an interruption in
the electric supply.
▶ Switch the power tool off and
then on again.
No hammering action. The power tool is too cold. ▶ Bring the tip of the drill bit
into contact with the working
surface, switch the rotary
hammer on and allow it to
run. If necessary, repeat the
procedure until the hammering
mechanism begins to operate.
The combihammer doesn’t
achieve full power.
The gauge (cross section) of the
extension cord conductors is inad-
equate.
▶ Use an extension cord with
an adequate conductor cross
section.
The voltage provided by the elec-
tric supply is too low.
▶ Connect the combihammer to a
different electric supply.
The drill bit doesn’t rotate. The function selector switch is not
engaged or is in the “Chiseling”
or “Chisel adjustment” position.
▶ Set the function selector switch
to the “Hammer drilling” position
.
The drill bit can’t be released. The chuck is not pulled back fully. ▶ Pull the chuck back as far
as it will go and remove the
accessory tool.
The side handle is not fitted cor-
rectly.
▶ Release the side handle and refit
it correctly so that the clamping
band and side handle engage in
the recess.
The service indicator lights
after changing the carbon
brushes.
The contact surfaces are not yet
run in.
▶ Run in the carbon brushes by
allowing the power tool to run
under no load for at least 1
minute without interruption.
9 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.
Printed: 30.05.2016 | Doc-Nr: PUB / 5283568 / 000 / 00