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19EN
7 Troubleshooting
This chapter summarizes the most common problems you could encounter
with the appliance� If you are unable to solve the problem with the information
below, contact the Consumer Care Center in your country�
Problem Possible solution
The appliance
does not work
properly�
• Check if the back cover is properly installed�
• The lter replacement alert has been on continuously
but you have not replaced the corresponding lter� As a
result, the appliance is now locked� In this case, replace
the lter and long press to reset the lter lifetime
counter�
The airow that
comes out of
the air outlet
is signicantly
weaker than
before�
• The surface of the lter is dirty� Clean the surface of the
lter (see the chapter "Cleaning and maintenance")�
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�
• The lter has not been placed in the appliance� Make
sure that the lter (FY3430/30) is properly installed�
• The particle sensor is wet� The humidity level in your
room is high and causes condensation� Make sure that
the particle sensor is clean and dry (see the chapter
"Cleaning and maintenance")�
• Room size is large or the outdoor air quality is poor�
For optimum purication performance, please close the
doors and windows when operating the air purier�
• There are indoor pollution resources� For instances,
smoking, cooking, incense, perfume or alchohol�
• Filter reaches the end of life� Replace the lter with a
new one�
The color of the
air quality light
always stays the
same�
• The particle sensor is dirty� Clean the particle sensor
(see the chapter "Cleaning and maintenance")�
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