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Problem
The cleaning
performance is poor.
Cleaning performance
is reduced.
The roller brush is not
rotating.
The operating noise is
changing during
vacuuming.
The Electrobrush
switches itself off.
The vacuum cleaner
keeps falling over.
Cause and remedy
The dust container is full.
Empty and clean the dust container (see
"Maintenance").
The Electrobrush is dirty/blocked.
Clean the Electrobrush (see "Maintenance –
Cleaning the Electrobrush" and "Removing the
roller brush from the Electrobrush").
The fine dust filter/pre-filter is soiled.
Run the interim cleaning function for the fine dust
filter (see "Maintenance – Activating the
ComfortClean function").
Clean both filters thoroughly (see "Maintenance –
Cleaning the pre-filter and fine dust filter").
The fine dust filter is worn.
Insert a new fine dust filter (HX FSF-2).
The roller brush is dirty.
Clean the roller brush (see "Maintenance –
Cleaning the Electrobrush" and "Removing the
roller brush from the Electrobrush").
The Electrobrush power consumption is
automatically set to the optimum level based on the
type of flooring and roller brush used.
The noise is not unusual – the vacuum cleaner is
functioning normally.
The Electrobrush is overloaded – this can happen on
surfaces like deep-pile carpet.
Switch the vacuum cleaner off and switch it on
again at a reduced suction power level. Use the
On/Off switch on the Comfort handle to do this.
You have configured the vacuum cleaner with the
PowerUnit at the top.
Reassemble the vacuum cleaner so that it is
configured with the PowerUnit at the bottom (see
"Installation and connection – Assembling the
vacuum cleaner").
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