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In Case of Malfunction
In case of breakdown, switch the machine off and
disconnect the plug from the mains. Repairs on the
electric parts of the tool may only be done by an electric
specialist.
Trouble Shooting
Error
machine does not
work
motor runs, drill bit
does not rotate
drilling speed too
slow
motor cuts off
water drops out of
the gearbox housing
According to the general supply conditions for business dealings,
suppliers have to provide to companies a warranty period of 12 months for
redhibitory defects (to be documented by invoice or delivery note).
Damage due to natural wear, overstressing or improper handling are
excluded from this warranty.
Damages due to material defects or production faults shall be eliminated
free of charge by either repair or replacement.
Complaints will be accepted only if the tool was returned in non-
dismantled condition to the manufacturer.
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 is blunt
the tool stops
overload protection of the motor
has reacted
shaft sealing rings damaged
Warranty
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 block while using
the flush
lead the tool in a straight
manner discharge the tool and
restart it by pressing the switch
have the tool repaired by an
authorised service workshop
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