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TROUBLESHOOTING
Before Calling for Service
Operation
Symptoms
The appliance does not
operate.
There is odour, but the
light of air quality does
not change.
The light of air quality
continues to stay red.
The buttons on the
control panel do not
work.
The concentration of
the particles does not
change.
The concentration of
particles continues to
remain high.
The overall air quality
colour does not
match the particles
concentration value.
32
Possible Causes & Solution
Is the power plug unplugged from the outlet?
• Plug it into the outlet properly.
Is the light of air quality turned on red or orange?
• The colour of overall air quality is determined based on whichever
is worse between the particles concentration and odour (gas)
concentration. Check if the particles concentration is worse than
before.
• The odour(gas) sensor is designed to detect harmful gases. Strong
food odours may not register as harmful, but the deodorizing care
filter will minimize them.
Doesn't the colour change even if it is moved to a clean room?
• If the amount of the odour is more than the capacity of the product,
the display may not change.
• Clean the sensor area.
• Remove the power plug from the outlet and reconnect it one minute
later.
Did you use a spray near the product?
• Do not use a spray near the product.
Is the CL turned on on the status display panel?
• Press and hold the Off Timer button for 3 sec. or longer to disable
the lock function.
Is there a foreign substance on the sensor?
• Clean the PM1.0 sensor.
Is the product used in a closed space?
• In a closed space, the cleanliness level may continue to stay the
same without change.
Does the air continue to flow in from the outside to the location
where the product is installed?
• In an environment where outside air is supplied continuously, the
concentration may continue to remain high.
Does the colour of the overall air quality match the colour that
indicates the odour concentration?
• The overall air quality is displayed by evaluating the odour and
particles concentration comprehensively.
• Even if the particles concentration is low, if the odour is strong, the
overall air quality colour may not match the particles concentration
value.
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