LG U9CV1C Owners Manual - Page 32

Troubleshooting

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Troubleshooting EN Before Calling for Service Please check the following before you contact the service center. If the problem persists, contact your local service centter. Symptom Cause Remedy It does not operate at all. Is the power cord unplugged from the outlet? •• Insert it into the socket correctly. The amount of wind is small and there is a noise. Did dust accumulate in the •• Clean the ultra fine filter ultra fine filter? thoroughly. Did dust accumulate in the True HEPA filter? •• Replace the filter. Is the indoor pollution severe? •• Ventilate the indoors before using the product. Did dust accumulate in the •• Clean the ultra fine filter ultra fine filter? thoroughly. The air inside is not purified well enough. Did dust accumulate in the True HEPA filter? Are you using it in a place that is too spacious or too open? •• Replace the filter. •• Use a product that suits the size of the room. •• Avoid well-ventilated places such as doors, windows, etc. Is there any obstacle nearby? •• Remove the obstacle. Is the product installed at a corner? •• Move the product and install it again. The overall cleanness color is still in red. Does the color not change even if it is moved to a clean room? Did you use a spray near the product? •• Remove the power cord from the outlet and reconnect after 1 minute. •• Do not use a spray near the product. The buttons on the control panel do not work. Is displayed on the status display? •• To unlock, press the Mode button on the control panel for 3 seconds. 32

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EN
32
EN
Troubleshooting
Before Calling for Service
Please check the following before you contact the service center. If the problem persists,
contact your local service centter.
Symptom
Cause
Remedy
It does not
operate at all.
Is the power cord
unplugged from the outlet?
•
Insert it into the socket correctly.
The amount of
wind is small
and there is a
noise.
Did dust accumulate in the
ultra fine filter?
•
Clean the ultra fine filter
thoroughly.
Did dust accumulate in the
True HEPA filter?
•
Replace the filter.
The air inside is
not purified well
enough.
Is the indoor pollution
severe?
•
Ventilate the indoors before
using the product.
Did dust accumulate in the
ultra fine filter?
•
Clean the ultra fine filter
thoroughly.
Did dust accumulate in the
True HEPA filter?
•
Replace the filter.
Are you using it in a place
that is too spacious or too
open?
•
Use a product that suits the size
of the room.
•
Avoid well-ventilated places
such as doors, windows, etc.
Is there any obstacle
nearby?
•
Remove the obstacle.
Is the product installed at
a corner?
•
Move the product and install it
again.
The overall
cleanness color
is still in red.
Does the color not change
even if it is moved to a
clean room?
•
Remove the power cord from
the outlet and reconnect after 1
minute.
Did you use a spray near
the product?
•
Do not use a spray near the
product.
The buttons
on the control
panel do not
work.
Is
displayed on the
status display?
•
To unlock, press the
Mode
button on the control panel for 3
seconds.