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Problem Possiblesolution
The air quality sensor is wet. The humidity level in your room is high and
causes condensation. Make sure that the air quality sensor is clean and dry
(see chapter ‘Cleaning’).
The colour of the air
quality light ring and the
air quality light always stays
the same.
The air quality sensor is dirty. Clean the air quality sensor (see
chapter ‘Cleaning’).
There is not enough ventilation in the room. Open a window, to improve
the air circulation.
I need cleaner air because
I have an allergy.
You can change the air quality sensor sensitivity (see chapter ‘Using the
appliance’) to make the appliance clean the air even better.
The appliance is extra
loud.
You haven’t removed all packaging material from the lters. Make sure that
you have removed all packaging material.
The appliance still indicates
that I need to replace a
lter, but I already did.
Perhaps you did not press the lter reset button properly. Plug in the
appliance, press the on/off button and press the lter reset button with a
at tool.
The appliance stops
operating, although the
power-on light is still on.
The built in quality sensor has determined that the air quality is good and
that the air does not need to be cleaned anymore. When the air quality
deteriorates, the appliance starts running at a low fan speed and noise
level so that the energy consumption is minimised.
The appliance does not
work. Fan speed lights 1
and 2 ash, all other lights
are out.
This is a component defect. Contact the Consumer Care Centre in your
country (you nd its phone number in the worldwide guarantee leaet). If
there is no Consumer Care Centre in your country, go to your local Philips
dealer.
The appliance does not
work. The air quality
light ring ashes blue, all
other lights are out.
This is air particle sensor error or an air particle sensor and gas sensor
error. Contact the Consumer Care Centre in your country (you nd
its phone number in the worldwide guarantee leaet). If there is no
Consumer Care Centre in your country, go to your local Philips dealer.
The air quality light ring
keeps ashing purple.
This is a gas sensor error. Switch off the appliance and unplug it. Take the
appliance to your Philips dealer or an authorised Philips service centre.
ENGLISH 19