13
Problem Cause Solution
Poor air purification
quality.
Room is larger than the air purifier’s
applicable area.
Ensure the room is smaller than 538 ft² (50 m²).
Air intake or outlet is blocked. Remove objects blocking air intake or outlet.
Filter is not properly placed inside the
housing.
Properly place the filter (see Getting Started and Replacing the
Air Filter, pages 6 and 10).
The filter is dirty and cannot produce
fresh air anymore.
Replace the air filter (see Replacing the Air Filter, page 10).
Not enough clearance on all sides of
the purifier.
Ensure there is at least 15 inches (38 cm) of clearance on all sides
of the purifier.
The air purifier
is producing an
unpleasant odor.
The air filter is dirty and cannot produce
fresh air anymore.
Replace the air filter (see Replacing the Air Filter, page 10).
High humidity levels have caused
mildew to grow on the air filters.
Replace the air filter, and move the air purifier to a room where
the relative humidity is less than 85% RH.
is still illuminated
after replacing the air
filter.
The air purifier has been reset
incorrectly.
See the Resetting the Air Purifier section on how to properly
reset the unit (page 11).
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