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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. Time and money will be saved because a
service call will not be needed.
This guide may help you to find the reason for the fault, and how to correct it.
Risk of electric shock from voltage.
The supply voltage is applied to the appliance even if it is switched off.
Before dealing with any problems, unplug the appliance from the electrical
socket.
Problem
The vacuum cleaner
turns off automatically.
The cleaning perfor-
mance is poor.
Cleaning performance
is reduced.
22
Possible cause and solution
A temperature limiter switches the vacuum cleaner
off automatically if it gets too hot. This can occur
when the airways are blocked by bulky objects.
Switch the vacuum cleaner off immediately using
the On/Off foot switch . Unplug the vacuum
cleaner from the electrical socket.
After removing the cause of the fault, wait for approx-
imately 20–30 minutes to allow the vacuum cleaner
to cool down. It can then be turned on again.
The dust container is full.
Empty and clean the dust container (see "Mainte-
nance" – "Emptying and cleaning the dust con-
tainer").
The fine dust filter is dirty.
Clean the fine dust filter and the filter mat (see
"Maintenance" – "Cleaning the fine dust filter").
The filter frame/pre-filter is soiled.
Clean the filter frame/pre-filter (see "Maintenance"
– "Cleaning the filter frame/pre-filter").
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