12 EN
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. €).
Filter alert light
status
Action
A3 displays on the
screen
Replace the
NanoProtect lter
Series 3 (FY2422)
C7 displays on the
screen
Replace the
NanoProtect lter
active carbon
(FY2420)
A3 and C7 display
on the screen
alternately
Replace both
lters
1 Turn o the air purier and unplug
from the wall outlet.
2 Take out the used air lter according
to the lter alert light status
displayed on the screen (g. |).
Discard used lters.
Note
• Do not touch the pleated lter
surface, or smell the lters as they
have collected pollutants from the
air.
3 Remove all packaging material from
the new lters (g. f).
4 Place the new lters into the air
purier (g. g).
5 Put the plug of the air purier in the
wall outlet.
6 Touch and hold the reset button
for 3 seconds to reset the lter
lifetime counter (g. }).
Note
• Wash your hands after changing a
lter.