Table of Contents
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Problem
The vacuum cleaner
does not start when it is
switched on.
The cleaning perform-
ance is poor.
The battery life is de-
creasing.
32
Cause and remedy
The rechargeable battery is not sufficiently charged.
Charge the battery (see "Commissioning" – "Gen-
eral battery information" and "Charging the bat-
tery").
An original Miele battery has not been inserted.
Insert an original Miele AP10/AP11 lithium-ion re-
chargeable battery.
The charging plug is still plugged in.
If you are charging the battery without a wall
mounting, pull the charging plug out of the char-
ging socket on the rear of the PowerUnit.
Remove the vacuum cleaner from the wall bracket
if you are charging the battery in the wall bracket.
The dust container is full.
Empty the dust container (see "Cleaning and care"
– "Emptying the dust container").
The dust container/pre-filter is dirty.
Clean the dust container and the pre-filter (see
"Cleaning and care" – "Cleaning the dust container
and pre-filter").
The fine dust filter is dirty.
Run the interim cleaning function for the fine dust
filter (see "Cleaning and care" – "Activating the
ComfortClean self-cleaning function").
Clean the fine dust filter (see "Cleaning and care" –
"Cleaning the fine dust filter").
The electrobrush is dirty/blocked.
Clean the electrobrush (see "Cleaning and care" –
"Cleaning the electrobrush" and "Removing the
roller brush from the electrobrush").
The airways are blocked.
Clean all the airways.
The fine dust filter is worn.
Insert a new fine dust filter.
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