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7.5 Filter change
The three-layered filter should be replaced with a new one after 4320 operating hours. After 4320 operating
hours, the red „Filter reset“ LED flashes above the on/off button. To change the filter, proceed as follows:
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1. Press the ON/OFF button to switch off the air
cleaner, and unplug it from the socket.
2. Remove the housing cover as shown (magnetic
fastening). First detach the magnetic fastening
at the top, and then at the bottom.
3. Pull out the pre-filter. Now, to pull out the combi
filter, pull carefully on the side tabs.
4. Insert a new combi filter. To insert the combi filter
correctly, align it with the tabs as shown. Position
the pre-filter above it.
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5. Re-insert the housing cover as shown until you
see and hear it click into place (magnetic fas-
tening). First attach the magnetic fastening at the
bottom, and then at the top.
6. Insert the mains plug into the socket. Ensure that
the cable does not pose a trip hazard. Press and
hold the on/off button ( ) for five seconds. The
operating hours counter now resets to 0.