*2102964*
2102964 English 9
• Use only a slightly damp cloth to clean the casing. Do not use cleaning agents containing silicone as
these may attack the plastic parts.
Maintenance
WARNING
Danger of electric shock! Improper repairs to electrical components may lead to serious injuries including
burns.
▶ Repairs to the electrical section of the tool or appliance may be carried out only by trained electrical
specialists.
• Check all visible parts and controls for signs of damage at regular intervals and make sure that they all
function correctly.
• Do not operate the product if signs of damage are found or if parts malfunction. Have it repaired
immediately by Hilti Service.
• After cleaning and maintenance, fit all guards or protective devices and check that they function correctly.
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare
parts, consumables and accessories approved by Hilti for use with the product can be found at your
local Hilti Store or online at: www.hilti.group.
8 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.
9 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.
9.1 Troubleshooting
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
.
Printed: 12.12.2018 | Doc-Nr: PUB / 5283577 / 000 / 02
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General
Weight and Dimensions
