Miele SMUL0, Operating Instructions Manual

Page: 26 / 108

en-US
26
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.