Cleaning The Air Quality Sensor; Cleaning The Surface Of The Filter; Replacing The Filter; Understanding The Healthy Air Protect Lock - Philips AC0820 Benutzerhandbuch

Cleaning the air quality sensor

Clean the air quality sensor every two months for optimal functioning of the appliance�
Note:
• If the air purifier is used in a dusty environment, it may need to be cleaned more often�
• If the humidity level in the room is very high, condensation may develop on the air quality
sensor and the air quality light may indicate a poorer air quality even though the air quality
is actually good� If this occurs, clean the air quality sensor or use the air purifier on a
manual speed setting�
1
Switch off the air purifier and unplug from the power socket�
2
Clean the inlet and outlet of the air quality sensor with a soft brush (fig j)�
3
Open the air quality sensor cover (fig k)�
4
Clean the air quality sensor, the dust inlet and the dust outlet with a damp cotton swab
(fig l)�
5
Dry all parts thoroughly with a dry cotton swab�
6
Reattach the air quality sensor cover (fig m)�

Cleaning the surface of the filter

Wipe the surface of the filter with soft wet cloth or clean the surface of the filter with a
vacuum cleaner (fig n)�
Note: if you use a high power/ industrial vacuum cleaner, it may damage the filter�
5

Replacing the filter

Understanding the healthy air protect lock

This appliance is equipped with the healthy air protect lock to make sure that the
NanoProtect filter is in optimal condition when the appliance is operating� When the filter is
almost expired, the filter replacement alert (
be replaced� If you do not replace the filter in time, the filter replacement alert (
The appliance will stop operating and get locked�
Replacing the filter
Note:
• The filter is not washable or reusable�
• Always turn off the air purifier and unplug from the electrical outlet before replacing the
filter�
1
Rotate the base anti-clockwise to remove it from the appliance (fig c)�
) lights up red, which indicates that it needs to
) will flash�
EN
7