12 EN
7 Storage
1 Turn o the air purier and unplug
from the wall outlet.
2 Clean the air purier, air quality
sensor and pre-lter (see chapter
‘Cleaning’).
3 Let all parts air dry thoroughly
before storing.
4 Wrap the lters and pre-lter
separately in air tight plastic bags.
5 Store the air purier, lters and pre-
lter in a cool, dry location.
6 Always thoroughly wash hands after
handling lters.
Filter reset
You can replace lters even if there is no
lter replacement code displayed on the
screen. After replacing a lter, you need to
reset the lter lifetime counter manually.
1 Touch and simultaneously
for 3 seconds to enter the lter reset
mode (g. ~).
» Code (A3) of the NanoProtect lter
Series 3 displays on the screen.
2 Touch and hold for 3 seconds to
force reset the lter lifetime counter
of the NanoProtect lter Series 3
(g. }).
3 Code (C7) of the Nanoprotect lter
active carbon displays on the screen
after the lifetime counter of the
NanoProtect lter Series 3 has been
reset (g. ).
4 Touch and hold for 3 seconds to
force reset the lter lifetime counter
of the Nanoprotect lter active
carbon and exit the lter reset mode
(g. €).