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Before Calling for Service
If you experience problems with the appliance, checking the following chart before calling for service may save you time and
money.
Problem
Possible Causes
Solution
Product is not working.
Power cord is unplugged.
• Correctly insert plug into outlet.
• Check other appliances to make sure outlet
is working and power is on at main.
Fan is noisy even on
the lowest speed.
Ultra fine filter (pre-filter) is
clogged.
• Thoroughly clean the ultra fine filter
(pre-filter). Refer to page 34.
Dust has built up in the PM 1.0
Black Filter.
• Clean the PM 1.0 Black Filter.
Refer to page 35.
Air purification does
not work well.
Indoor air has a strong odor or is
extremely dusty.
• Do not use air purifier instead of a range
hood or vent. Ventilate area before using air
purifier.
Dust has built up in the ultra fine
filter (pre-filter).
• Clean the ultra fine filter (pre-filter). Refer to
page 34.
Dust has built up in the PM 1.0
Black Filter.
• Clean the PM 1.0 Black Filter.
Refer to page 35.
The install location is too large.
• Performance may suffer in areas where
there is a constant inflow of outdoor air.
Nearby objects are blocking the
airflow.
• Move the objects or relocate the air purifier.
Product is installed in a corner.
• Move the air purifier away from the corner
so the airflow is not restricted.
Product is making
clunking sound.
Water bucket is not properly
mounted.
• Remove and properly reassemble the water
bucket.
The overall air quality
indicator light does
not change color when
there is a strong odor.
The overall air quality indicator
light may already be orange or
red.
• The overall air quality indicator light shows
the odor level or the PM1.0 (super ultra-fine
dust) density, whichever is worse.
• The odor sensor is designed to detect
harmful gases. Strong food odors may not
register as harmful, but the deodorizing
Black Filter will remove them.
