1
Cleaning brush will not turn
on
2
Cleaning brush turns on,
motor rotates, but brush does
not
3
F1 fuse repeatedly defective in
a short period
4
Red LED DL1 does not flash
5
Brush continuously rotates
6
Brush rotates briefly and then
stops moving
7
Brush turns off at a low
torque
8
Brush does not change rota-
tional direction under load
9
Brush continually tries to start
10
Gear makes loud noises
11
Machine makes loud noises /
machine vibrates
12
Brush no longer can be
rotated by hand
Power supply missing
Switch not in position
Control module defective
Shaft / brush connection
defective
Gear defective
Control module defective
Power supply missing
Switch defective
Control module defective
Defective motor
Defective motor
Control module defective
Gear defective
Capacitor defective
Brush is new
Gear defective
Circuit board misaligned
Circuit board misaligned
motor blocked
Capacitor defective
Gear running without oil
Gear wheel in gear defective
Screw connection has come
loose
Base not suitable for the
machine
Gear running without oil
Parts of gear are defective
51
_check the mains connection
_check the voltage
_check connecting cable / motor cable
_F1 fuse defective (16 A)
_check switch
_replace control module
_replace shaft and brush (the replacement of
only one component can lead to increased wear)
_replace gear
_replace control module
_machine is still initialising
_check the mains connection
_check the voltage
_check connecting cable / motor cable
_F1 fuse defective (16 A) => LED DL2 on
_check proper installation
_check 8N, 9M clamps
_replace control module
_check motor connection
_check control module connection
_check both coils
_replace motor
_replace control module
_drive torque too high
_replace gear
_replace capacitor
_brush must be run-in for approx. 30 hours until
it reaches the switch-off torque automatically
_check whether the brush can be turned by hand
_replace gear
_check circuit board setting and adjust if neces-
sary
_check circuit board setting and adjust if neces-
sary
_remove foreign bodies from brush
_replace blocking part
_replace capacitor
_clean gear
_check gear for damage
_add oil
_replace gear if necessary
_replace gear
_secure loose parts
_check functionality
_change fixing point (masonry or concrete wall
are preferable)
_replace gear
_replace gear