User's Manual

32
Problem solving guide
With the help of the following guide, minor faults in the performance of the appli-
ance, some of which may result from incorrect operation, can be remedied without
contacting Miele. This will save you time and money because you won't need a
service call.
Please note that a call-out charge will be applied to unnecessary service visits
where the problem could have been rectified as described in these operating in-
structions.
 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 Cause and remedy
The cleaning perform-
ance is poor.
The dust container is full.
 Empty and clean the dust container.
The Electrobrush is dirty/blocked.
 Clean the roller brush and the inside of the Electro-
brush (see “Maintenance” – “Cleaning the Electro-
brush”).
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 output is automatically set to the op-
timum level based on the type of flooring.
 The noise is not unusual – the vacuum cleaner is
functioning normally.