Philips AC0820 - Page 13

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Problem Possible solution
The air quality
does not improve,
even though the
appliance has
been operating
for a long time�
• Check if the packing material is removed from the lter�
• Make sure that the lter is properly installed�
• The air quality sensor is dirty or wet� Clean the air
quality sensor (See the chapter "Cleaning")�
• Room size is large or the outdoor air quality is poor�
For optimum purication performance, please close
the doors and windows when operating the air purier�
• There are indoor pollution resources� For instances,
smoking, cooking, incense�
• Filter reaches the 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� However, if the
appliance produces a burnt smell even if removing
the lter, contact your Philips dealer or an authorized
Philips service center� The lter may produce smell 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
odor still exists, replace the lter�
The appliance is
extra loud�
• Check if the packing of the lter is removed�
• The appliance will run in high speed when the air
quality is poor, which will causes higher noises� When
using the appliance in a bedroom at night, choose the
Sleep speed�
• if anything drop into air outlet, it may also cause
abnormal loud sounds� Immediate turn o appliance,
turn appliance upside down, to get foreign objectives
out of appliance�
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
mode switch button ( ) for 3 seconds until
disappears�
Appliance keeps
o, but air quality
light blinks for
one minute�
• The appliance has malfunctions� Contact the
Consumer Care Center in your country�