• Are all the indicators o?
Press the Power button and select the
desired function.
• Is there a power outage?
Use the product after the electricity is
restored.
• Is the Auto Mode indicator on?
Air volume selection is available only in
Manual Mode (normal).
• Is the Silent Mode indicator on?
Air volume selection is available only in
Manual Mode (normal).
• Has the lter cleaning or
replacement time passed?
Check the lter cleaning and replacement
cycle and clean or replace the lter.
• Is there dirt on the pollution
sensor lens?
Clean the pollution sensor lens.
(Refer to P. 15.)
• Does the pollution level remain
at High?
Adjust the pollution sensor's sensitivity to
Low or Standard. (Refer to P. 14.)
• Does the pollution level remain
at Low?
Adjust the pollution sensor's sensitivity to
High or Standard. (Refer to P. 14.)
• Has the lter cleaning or
replacement time passed?
Check the lter cleaning and replacement
cycle and clean or replace the lter.
• Contact the service center.
• Check the problem, unplug the power cord, and contact the service center.
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