*2244431*
2244431
English
21
Trouble or fault
Possible cause
Action to be taken
Product does not start.
The generator is in sleep mode.
▶
Apply a load to the generator
by connecting a second power
consumer (e.g. worklight). After
this, switch the product off and
then on again.
The electronic restart interlock is
activated after an interruption in
the electric supply.
▶
Switch the product off and then
on again.
The detachable supply cord is not
fitted correctly.
▶
Fit the detachable supply cord
to the power tool correctly.
The carbon brushes are worn.
▶
Have checked, and if necessary
replaced, by a trained electrical
specialist.
No hammering action.
Product too cold.
▶
Bring the product into contact
with the working surface, switch
it on and allow it to idle. If
necessary, repeat the procedure
until the hammering mechanism
begins to operate.
Product does not achieve full
power.
The extension cord is too long or
the conductor cross-section is
inadequate.
▶
Use an extension cord of an
approved length and / or of
adequate conductor cross-
section.
The control switch is not fully
pressed.
▶
Press the control switch as far
as it will go.
The voltage provided by the elec-
tric supply is too low.
▶
Connect the product to a
different power source.
The half-power button is engaged.
▶
Press the "half-power" button.
Drill bit does not rotate.
The function selector switch is not
engaged or is in the "Chiseling"
position
or the "Chisel position-
ing" position
.
▶
With the motor at a standstill,
set the function selector switch
to the “Hammer drilling”
position.
Drill bit is not released.
The chuck is not pulled back fully.
▶
Pull the chuck back as far
as it will go and remove the
accessory tool.
Side handle not fitted correctly.
▶
Disengage the side handle and
refit it correctly so that the
clamping band and side handle
engage in the recess.
Product switches off if drill bit
jams.
The electronic safety shut-down
has tripped to avoid further jam-
ming.
▶
Release the drill bit.
Service indicator flashes.
The product is faulty.
▶
Have the product repaired by
Hilti
Service.
Service indicator shows.
The carbon brushes are worn.
▶
Have checked, and if necessary
replaced, by a trained electrical
specialist.
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.
▶
Do not dispose of power tools, electronic equipment or batteries as household waste!
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