Miele Blizzard CX1 Flex SKRF5 Operating Instructions Manual page 52

en
Problem
Cleaning performance
is reduced.
52
Cause and remedy
The pre-filter is dirty.
 Clean the pre-filter (see "Fault resolution" –
"Cleaning the pre-filter").
The fine dust container is full.
 Empty and clean the fine dust container at the
next available opportunity (see "Fault resolution" –
"Cleaning the fine dust filter manually").