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8. What to do if there are problems?
Problem Cause Solution
The air cleaner will not switch on
The housing cover is not correct-
ly installed.
Ensure that the housing cover is
correctly installed.
The three-layered filter is not cor-
rectly inserted.
Ensure that the three-layered fil
-
ter is correctly inserted.
The mains part plug is not
plugged in.
Plug the mains part plug into
asuitable socket.
Insucient passage of air The filters are dirty
Clean the filters (see “Mainte-
nance and storage” section).
The air intake/air outlet is
blocked.
Ensure that the air intake/air out
-
let is not blocked.
Air cleaner is very loud There is a foreign body in the air
intake/air outlet.
Remove the foreign body from
the air intake/air outlet.
The filters are clogged.
Clean the filters (see “Mainte-
nance and storage” section).
The filters are not correctly in-
serted.
Insert the filters correctly.
The air cleaner is positioned on
an uneven surface.
Position the air cleaner on a level
surface.
9. Disposal
For environmental reasons, do not dispose of the device in the household waste at the end of its useful life.
Dispose of the device at a suitable local collection or recycling point. Dispose of the device
inaccordance with EC Directive – WEEE (Waste Electrical and Electronic Equipment).
If you have any questions, please contact the local authorities responsible for waste disposal.
10. Replacement parts and wearing parts
Replacement parts and wearing parts are available from the corresponding service address (according to
the service address list). Please state the corresponding order number.
Designation Item number and/or order number
Pre-filter, combi filter (EPA + activated carbon) 660.04
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