Trouble
The signal for emptying
the dust drawer appears,
even though it is not yet
full.
Suction starts even
though the electrical ap-
pliance connected to the
socket is not being used.
Suction does not stop
when the electrical appli-
ance is switched off.
Suction does not start
even though the electrical
appliance connected to
the socket is in used.
Fuse triggers when a con-
nected electrical device is
switched on.
The suction stops abrupt-
ly in automatic or continu-
ous operation and the as-
sociated displays
(20 / 22,
Fig.
2) are still on.
After the suction motor
was changed, the suction
unit stopped functioning
or stops suddenly.
Reason
• The set time interval to the "Empty
Dust Drawer" is too low.
• The automatic switch-on function
has been set too low.
• The automatic switch-on function
has been set too low.
• The automatic switch-on function
has been set too high.
• Power consumption of the connect-
ed device too high.
• Suction turbine is overheated.
• Suction turbine is defect.
• The plug from the suction motor is
not sufficiently clicked in place.
Solution
• Set a larger time interval (see chapter 5.5.2).
• Setting the automatic switch-on (see chapter 5.5.3).
• Setting the automatic switch-on (see chapter 5.5.3).
• Setting the automatic switch-on (see chapter 5.5.3).
• Observe the maximum connection value (see chap-
ter 8).
• Switch off the device and leave to cool for at least
60 min.
• Check whether suction tube is blocked, eliminate block-
age.
• Switch the device off and then on again to perform a
filter cleaning.Change fine filter (see chapter 6.3) if filter
cleaning does not improve the performance.
• Change Suction turbine.
• Connect the suction motor plug correctly.
Ensure that the plug is fitted correctly and clicked into
place by pulling it.