Air Quality Indication - Philips AC4075 User Manual

Colour
Blue
Deep purple
Purple
Red
Using the appliance
1 Put the plug in the wall socket
 All lights go on twice and you hear a beep. Then the lights go out
again.
2 Press the on/off button to switch on the appliance.
 The power-on light, the AUTO light, and the AIR QUALITY light on
the control panel go on.
 The air quality light ring shows the quality of the air.

Air quality indication

To switch off the air quality light ring, press the AIR QUALITY button.
Note: The air quality light ring automatically goes on when the appliance is
switched on.
 The appliance automatically starts operating in the AUTO mode.
To switch off the appliance, press the on/off button again and unplug the
appliance.
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 on the control panel and the air quality light ring may indicate that the
air quality is bad even though the air quality is good. In this case, the auto
Air quality
very good
good
fair
bad
EnGlIsh
9