O
THERS
23
Problem
Solution
The
Comprehensive
Air-quality
indicator is fixed
on red.
• Check the sensors for any foreign substances and clean them if
necessary.
• In winter season if you operate the product immediately after
product was delivered, dew may form on the sensor due to
temperature difference (between outdoor and indoor). In this
case, your product may temporarily display 999
㎍
/m
3
on the
particulate matter (PM10) level/ultrafine particulate matter
(PM2.5) level indicator and also Comprehensive Air-quality
indicator may turned red. In this case, indicator will become
normal after 1~2 hours of operation.
• If you cook or if outside air gets indoor and affects changes in
odor, gas sensor may detect odor and the Comprehensive Air-
quality indicator may become red. Ventilate the room for 1 ~ 2
hours.
• Disconnect the power plug and connect it back on after a minute
and operate the product. (Reset the sensors)
• If you have followed all the solution indicated in this section and
the Comprehensive Air-quality indicator is still red, there might be
a problem with sensor or wires. Please contact the service center.
Something is
wrong with the
Comprehensive
Air-quality
indicator
Fan speed is
not changing
according to the
Comprehensive
Air-quality.
• Set the fan speed to Auto. When the fan speed is set to High, Low,
or Sleep, the fan speed will not change automatically.
Particulate
matter(PM10)/
ultrafine
particulate
matter(PM2.5)
is not changing
from "Excellent"
(09).
• In an enclosed space, level may not be changed from "Excellent".
If there are changes in the level when you open the windows to
ventilate, or burn the aroma candles or incense, it’s normal.
