Pre-filter locked.
The fine dust filter (1) is attached to the locked pre-filter (2).
Remove the pre-filter first and then remove the fine dust filter.
Remove and reinsert the fine dust filter several times, as described in the operating instructions in the “Cleaning the fine dust filter and pre-filter” section. Some force can be applied when turning the fine dust filter.
Additional information can be found in the linked video.
If the fine dust filter is still difficult to move, please contact Miele Service.
