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Frequently Asked Questions
With the help of the following guide minor faults in the performance of the ma-
chine, some of which may result from incorrect operation, can be remedied with-
out contacting the Service Department.
This guide may help you to find the reason for the fault, and how to correct it.
Risk of injury caused by rotating roller brush.
You can injure yourself on the rotating roller brush.
Switch the vacuum cleaner off before dealing with any problems. Use the On/
Off switch on the Comfort handle to do this.
Problem
Possible cause and solution
The cleaning perfor-
mance is poor.
The dust container is full.
Empty and clean the dust container (see “Mainte-
nance”).
The Electrobrush is dirty/blocked.
Clean the Electrobrush (see “Maintenance” –
“Cleaning the Electrobrush” and “Removing the
roller brush from the Electrobrush”).
Cleaning performance
is reduced.
The fine dust filter is dirty.
Clean the fine dust filter (see “Maintenance –
Cleaning the fine dust filter”).
The pre-filter is dirty.
Clean the pre-filter (see “Maintenance – Cleaning
the pre-filter”).
The Electrobrush
switches itself off.
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.
The operating noise is
changing during vacu-
uming.
The floor covering detection function is activated in
the medium and highest power levels. The Electro-
brush power rating is automatically set to the opti-
mum level based on the type of flooring.
The noise is not unusual – the vacuum cleaner is
functioning normally.
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