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10 EN
Problem Possible solution
The air quality does
not improve even
though the appliance
has been operating
for a long time.
• Check whether the packing material is removed from the lter.
• Check whether the lter 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 purication 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 lter with a new one.
The appliance
produces a strange
smell.
• The rst 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 lter may produce an odor after being used for a while
because of the absorption of indoor gases. It’s recommended that
you reactivate the lter by putting it in direct sunlight for repeated
use. If the odor remains, replace the lter.
The appliance is too
loud.
• 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 o 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.
The appliance still
indicates that I need
to replace a lter, but
I already did.
• Perhaps you did not reset the lter lifetime counter. Switch on the
appliance. Then press and hold the button for 3 seconds.
The heating function
is not working.
• Check whether the air inlet or air outlet is blocked.
• Check whether the lter surface is excessively dirty and
blocking airow. If so, the heating function may stop working for
protection.
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