Problem
The air quality does
not improve even
though the appliance
has been operating
for a long time�
The appliance
produces a strange
smell�
The appliance is too
loud�
The appliance still
indicates that I need
to replace a filter, but
I already did�
The heating function
is not working�
Possible solution
• Check whether the packing material is removed from the filter�
• Check whether the filter is installed in the appliance.
• Clean the sensor cover surface with mop or vacuum cleanser;
Do not open sensor cover or touch inside�
• Room size is too large, or the outdoor air quality is poor�
For optimum purification performance, close the doors and
windows when operating the appliance�
• There are indoor pollution sources� Examples include cigarette
smoke, cooking fumes, incense, perfume and alcohol�
• Filter has reached end of life� Replace the filter with a new one�
• The first few times you use the appliance, it may produce a plastic
smell� This is normal�
• If the appliance produces a burning smell, immediately unplug
it and turn it upside down to check whether any foreign objects
have fallen into the appliance� If nothing is found, please contact
your Philips dealer or an authorized Philips service center.
• The filter may produce an odor after being used for a while
because of the absorption of indoor gases� It's recommended that
you reactivate the filter by putting it in direct sunlight for repeated
use� If the odor remains, replace the filter�
• The noise level is higher if you select high speed�
• If anything drops into air outlet, it may also cause abnormal loud
sound� Immediate turn off the appliance and turn it upside down
to remove foreign objects�
• If there is an abnormal sound, contact the Consumer Care Center
in your country�
• Perhaps you did not reset the filter lifetime counter� Switch on the
appliance� Then press and hold the
• Check whether the air inlet or air outlet is blocked�
• Check whether the filter surface is excessively dirty and
blocking airflow� If so, the heating function may stop working for
protection�
button for 3 seconds�
EN
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