Table des Matières
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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
No hammering ac-
tion.
The tool does not
achieve full power.
The drill bit does not
rotate.
Printed: 28.06.2017 | Doc-Nr: PUB / 5277965 / 000 / 01
Possible cause
The tool is too cold.
The extension cord
is too long and/or its
gauge is inadequate.
The control switch is not
fully pressed.
The voltage provided by
the electric supply is too
low.
The reduced-power
(50% power) button is
engaged.
The function selector
switch is not correctly
engaged, is set to "Chis-
eling"
, or is set to
"Chisel positioning"
Action to be taken
▶ Bring the tip of the
accessory tool into
contact with the
working surface,
switch the power
tool on and allow it
to run. If necessary,
repeat the procedure
until the hammering
mechanism begins to
operate.
▶ Use an extension cord
of an approved length
and/or of adequate
gauge.
▶ Press the control
switch as far as it will
go.
▶ Connect the combi-
hammer to a different
electric supply.
▶ Press the reduced-
power button.
▶ Move the function
selector switch to
the "Hammer drilling"
position while the
.
motor is not rotating.
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