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Verfügbare Sprachen
In Care of Malfunction
In case of malfunctions switch the tool off and pull the
mains plug. Repairs on the electric parts of the tool
may only be performed by an electrical specialist.
Trouble Shooting
Error
Machine does not
work.
motor runs, drill bit
does not rotate
drilling speed too
slow
motor shuts down
water drops out of
the gearbox housing
Possible Cause
mains current supply interrupted
line cord or plug damaged
switch damaged
the PRCD-switch is off
gearbox damaged
water pressure / water flow rate
too high
drill bit damaged
gearbox damaged
drill bit polished
the tool stops
the tool overheats, overload
protection of the motor has
reacted
carbon brushes are worn out -
auto-stop brush switch off
shaft sealing rings damaged
Error Recovery
plug in another electric
appliance and check the
functioning
have it checked by an electric
specialist and replaced if
necessary
have it checked by an electric
specialist and replaced if
necessary
press RESET to switch on
have the tool repaired by an
authorised service workshop
regulate the water quantity
check if drill bit is damaged and
replace it if necessary
have the tool repaired by an
authorised service workshop
sharpen the drill bit with a
sharpening stick while using the
flush
lead the tool in a straight
manner
discharge the tool and restart it
by pressing the switch a couple
of times
both brushes must be replaced
with original brushes by an
electrical specialist
have the tool repaired by an
authorised service workshop
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