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Problem
The overall air quality
indicator lamp stays
red.
Control panel buttons
do not work.
Fine dust density
indicator does not
change.
Fine dust density
remains high.
Overall air quality and
dust density levels are
different.
Cause for overall air
quality indicator level
(odor or dust) does not
appear in display.
40
Possible Causes
Try moving the air purifier to a
different room.
Something was sprayed on or
near the air purifier.
Status display panel shows
Control Lock icon.
The sensor is dirty.
Product is in an enclosed space.
Product is near an outside door
or window.
"Odor" appears in the status
display panel.
Overall air quality indicator light
is green or yellow.
Solution
• If the odor is very strong, the air purifier may
not be able to remove it.
• Clean the sensor.
• Unplug the product, wait for 1 minute, then
plug the product in again.
• Do not spray hair products, perfume,
cleaners, cooking oil or other products near
the air purifier.
• Press and hold the Light button for 3
seconds to deactivate Control Lock.
• Clean PM1.0 (super ultra-fine dust) sensor.
• If there is little inflow of outside air, the
density levels may not change.
• If the product is near a constant inflow of
outside air, the dust density may remain
high.
• The overall air quality indicator shows the
combined levels of odor and dust.
Refer to page 21.
• If the dust density is low, but the odor level is
high, the light indicates the worse level.
• The cause for the overall air quality level
only shows in the status display panel when
the dust density or odor level is worse than
the level of yellow.
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