Troubleshooting; Before Calling For Service - LG U9CV2B.AWHEUS Owner's Manual

TROUBLESHOOTING

Before Calling for Service

Please check the following before you contact the service center. If the problem persists,
contact your local service center.
Symptom
It does not
operate at all.
The amount of
wind is small
and there is a
noise.
The air inside is
not purified well
enough.
The overall air
quality color is
still in red.
The buttons
on the control
panel do not
work.
36
Cause
Is the power cord
unplugged from the outlet?
Did dust accumulate in the
ultra fine filter?
Did dust accumulate in the
True HEPA filter?
Is the indoor pollution
severe?
Did dust accumulate in the
ultra fine filter?
Did dust accumulate in the
True HEPA filter?
Are you using it in a place
that is too spacious or too
open?
Is there any obstacle
nearby?
Is the product installed at
a corner?
Does the color not change
even if it is moved to a
clean room?
Did you use a spray near
the product?
Is displayed on the
status display?
Remedy
• Insert it into the socket correctly.
• Clean the ultra fine filter
thoroughly.
• Replace the filter.
• Ventilate the indoors before
using the product.
• Clean the ultra fine filter
thoroughly.
• Replace the filter.
• Use a product that suits the size
of the room.
• Avoid well-ventilated places
such as doors, windows, etc.
• Remove the obstacle.
• Move the product and install it
again.
• Remove the power cord from
the outlet and reconnect after 1
minute.
• Do not use a spray near the
product.
• To unlock, press the Mode
button on the control panel for 3
seconds.
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