33EN
6 Replacing the
air purification
filter
Understanding the
healthy air protect lock
This appliance is equipped with
the healthy air protect lock to make
sure that the filters are in optimal
condition when the appliance is
operating. When the filters are
almost expired, the air purification
filter replacement light ( ) lights up
on the screen to indicate that the
filters have to be replaced.
If you do not replace the filters in
time:
» The air purification filter
replacement light ( )
remains on.
» The appliance stops
operating and is locked.
Replacing the air
purification filter
Note
• The air purification filters are
not washable nor vacuum
cleanable.
Filter alert light
status
Follow this
lights up, and
A5 displays on
the screen
Replace the
NanoProtect
HEPA filter
Series 3
(FY6172)
lights up, and
C7 displays on
the screen
Replace the
NanoProtect
Active Carbon
filter (FY6171)
lights up, A5
and C7 display
on the screen
alternately
Replace the
NanoProtect
HEPA filter
Series 3
(FY6172) and
NanoProtect
Active Carbon
filter (FY6171)