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Theairqualitylightringshowsthequalityoftheair.
Air quality indication
Colour Airquality
Blue very good
Deep purple good
Purple fair
Red bad
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
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
periods of high humidity, we advise you to use one of the manual speed
settings.
Fan speed lights/lter replacement lights
- The lights on the right-hand side of the control panel have a dual
function: they either indicate the fan speed or they indicate that the
lters should be replaced or cleaned.
- When lights 1 to 3/4 light up continuously, they indicate the current fan
speed.
- When light 1 ashes, you have to clean the pre-lter. When lights 2
and/or 3/4 ash, you have to replace these lters. If lights 2 and/or
3/4 ash, the REPLACE FILTER light also ashes (see chapter ‘Filter
replacement’ for more information).
- 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).
Adjusting the air quality sensor sensitivity
People with certain health problems (e.g. allergies or asthma) have a
greater need for healthy air. For this reason, the appliance allows you to
ENGLISH 11
AC4072-4074_um_120424.indd 13 24/04/2012 15:01:40
8


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