Air Quality Indication - Philips AC4002 User Manual

Colour
Blue
Deep purple
Purple
Colour
Red
Blue
Deep purple
Purple
Colour
Red
Blue
Deep purple
Red
, The power-on light and one of the AIR QUALITY lights on the
control panel goes on.
The air quality light ring shows the quality of the air.
AC4004: AiR QUAliTY lights

Air quality indication

AC4002: AiR QUAliTY lights
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. The appliance automatically starts operating in the auto mode.
,
To switch off the appliance, press and hold the on/off button again until the To switch off the appliance, press the on/off button again and unplug the
power-on light goes out and unplug the appliance. appliance.
Note: When the humidity level in the room is very high, it is possible that
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 condensation develops on the air quality sensor. As a result, the AIR QUALITY
lights on the control panel may indicate that the air quality is bad even though light on the control panel and the air quality light ring may indicate that the
the air quality is good. In this case, the auto mode causes the appliance to air quality is bad even though the air quality is good. In this case, the auto
run at high fan speed. You can solve this by cleaning the air quality sensor. If mode causes the appliance to run at high fan speed. You can solve this by
cleaning the air quality sensor. If condensation develops frequently during condensation develops frequently during periods of high humidity, we advise
periods of high humidity, we advise you to use one of the manual speed you to use one of the manual speed settings.
settings.
Auto mode
Fan speed lights/filter replacement lights
When the appliance is switched on, the built-in air quality sensor
- The lights on the right-hand side of the control panel have a dual
automatically measures the ambient air quality. When the auto mode is
function: they either indicate the fan speed or they indicate that the
activated, the appliance selects the most appropriate fan speed for the
filters should be replaced or cleaned.
measured air quality.
- When lights 1 to 3/4 light up continuously, they indicate the current fan
Note: When you use the auto mode, you can also use the timer function (see
speed.
section 'Timer function in this chapter). In this case, the AUTO light, one of the
- When light 1 flashes, you have to clean the pre-filter. When lights 2
FAN SPEED lights, the TIMER light and one of the HOUR lights are on.
and/or 3/4 flash, you have to replace these filters. If lights 2 and/or
3/4 flash, the REPLACE FILTER light also flashes (see chapter 'Filter
1 Press the on/off button to switch on the appliance.
replacement' for more information).
The appliance automatically starts operating in the auto mode.
,
- When lights 2, 3/4 and the REPLACE FILTER light are on continuously,
the appliance is locked (see chapter 'Filter replacement lock' for more
information).
Air quality
very good
good
fair
Air quality
bad
very good
good
fair
Air quality
bad
very good
good
bad
English
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English
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