Philips AC4002 Air Cleaner User Manual


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3 Cleantheairqualitysensor,thedustinletandthedustoutletwitha
lightlymoistenedcottonswab.
4 Drythemwithadrycottonswab.
5 Reattachtheairqualitysensorcover.
Filter replacement
Filter maintenance
When one of the lters is almost full and has to be cleaned or replaced,
the corresponding light or lights (the pre-lter cleaning light or one of the
lter replacement lights together with the ‘REPLACE FILTER’ light) start to
ash. You then have to clean or replace this lter.
This air cleaner is also equipped with the HealthyAirProtect Lock feature
to ensure that the lters are in optimal condition when the appliance is
operating. When you do not replace lter 2 (AC4004 only), lter 3 and/or
lter 4, the appliance stops operating and the appliance is locked. When the
appliance is locked, the lter replacement light of the lter concerned and
the ’REPLACE FILTER’ light light up continuously.
Filter cleaning light and lter replacement lights
The lter cleaning light and the lter replacement lights indicate which lter
has to be cleaned or replaced.
- Filter cleaning light 1 ashes: you have to clean lter 1 (pre-lter). See
chapter ‘Cleaning’ for further instructions.
- Filter replacement light 2 and the ‘REPLACE FILTER’ light ash: lter 2
(multi-care lter, AC4004 only) has to be replaced.
ENGLISH 17
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