Owner's Manual

37
Before Calling for Service
If a failure occurs in the product, check the following before contacting the Service Center.
Symptom Cause Solution
The product does not
operate.
Is the power plug
unplugged from the
outlet?
•
Plug it into the outlet properly.
Fan is noisy even on
the lowest speed.
Did dust accumulate in
the ultra ne lter?
•
Clean the ultra ne lter
properly.
Did dust accumulate
in the Total Allergen
Collection Care Filter?
•
Replace the whole lter.
The indoor air is not
puried well enough.
Is the indoor
contamination severe?
•
Ventilate the indoor air before
you use the product.
Did dust accumulate in
the ultra ne lter?
•
Clean the ultra ne lter
properly.
Did dust accumulate
in the Total Allergen
Collection Care Filter?
•
Replace the lter.
Are you using it in a place
that is too spacious or too
open?
•
Use a product that ts the size
of the room.
•
Avoid a well-ventilated place
such as a gate, window, etc.
Is there any obstacle
nearby?
•
Remove the obstacle.
Is the product installed at
a corner?
•
Move the product and install it
again.
There is a smell, but
the Light lamp does
not change.
Is the Light lamp turned
on red or orange?
•
The color of overall air quality
is determined based on
whichever is worse between
the dust concentration and
smell (gas) concentration.
Check if the dust concentration
is worse than before.
•
The Smell(gas) sensor is
designed to detect harmful
gases. Strong food odors may
not register as harmful, but the
Total Harmful Gas Care Filter
will remove them.