Cleaning The Pre-Filter - Philips AP7766 User Manual

2
Open the cover of the air quality
sensor.
3
Clean the sensor, the dust
inlet and outlet with a lightly
moistened cotton swab, and
finish with a dry cotton swab.
4
Close the sensor cover.
16 EN

Cleaning the pre-filter

Filter alert light
status
lights up on
the screen
Note
• Filter light lights up
approximately once every two
months.
1
Rinse the pre-filters under a
running tap. If the pre-filters are
very dirty, use a vacuum cleaner
or soft brush to remove the dust
before rinsing under the tap.
Follow this
Clean the pre-
filter