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In Case of Malfunction
In case of breakdown, switch the motor off and disconnect
it from the power. Repairs of the electrical parts may only
be performed by an authorised service 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
the tool overheats, overload
protection of the motor has
reacted
carbon brushes are worn out -
auto-stop brush switch off
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
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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