Philips AC4558/80 - Cleaning the Pre-Filter

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3 Clean the air quality sensor,
the dust inlet and the dust
outlet with a damp cotton swab
(g. x).
4 Dry all parts thoroughly with a
dry cotton swab.
5 Reattach the air quality sensor
cover (g. y).
Cleaning the pre-lter
Clean the pre-lter when lights up
and F0 is displayed on the screen
(g. z).
1 Switch o the air purier and
unplug from the wall outlet.
2 Pull the top part of front cover
to remove it from the appliance
(g. c).
3 Press the two clips down and
pull the pre-lter towards you
(g. d).
4 If the pre-lter is very dirty, use
a soft brush to brush away the
dust. Then wash the pre-lter
under running tap water (g. {).
5 Allow the pre-lter to air dry
thoroughly before placing back
in the air purier.
6 Put the pre-lter back into the
appliance (g. h).
Note
• Make sure that the pre-lters
are completely dry before you
put them back in the appliance.
If they are still wet, bacteria may
multiply in them and shorten the
lifetime of the pre-lters.
7 To reattach the front cover,
mount the cover onto the
bottom of the appliance rst (1).
Then, gently push the top of the
cover against the body of the
appliance (2) (g. i).
8 Put the plug of the air purier in
the wall outlet.
9 Touch the button to switch on
the appliance.
10 Touch and hold the reset button
for 3 seconds to reset the
pre-lter cleaning time.
11 Wash your hands thoroughly
after installing lters.