14 English 2244432
*2244432*
Trouble or fault Possible cause Action to be taken
No hammering ac-
tion.
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 conduc-
tor cross-section is in-
adequate.
▶ 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 electric 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" po-
sition or the "Chisel
positioning" position .
▶ With the motor at
a standstill, set the
function selector
switch to the “Hammer
drilling” position.
Drill bit is not re-
leased.
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.
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