Philips AC4374 - Clean the Air Quality Sensor

15
EN
English
Clean the air quality
sensor
Clean the air quality sensor every
2 months for optimal functioning of the
purier. Clean it more frequently if you
use the purier in a dusty environment.
Note
• When the humidity level in the room is very
high, it is possible that condensation develops
on the air quality sensor. As a result, the air
quality light may indicate that the air quality
is bad even though it is good. In this case you
have to clean the air quality sensor or use one
of the manual speed settings.
1 Clean the air quality sensor inlet
and the air quality sensor outlet
with a soft brush.
2 Remove the air quality sensor cover.
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.