28 MAINTENANCE
NOTE
• If fingerprints or dust on the front and back
covers are difficult to remove, wipe them off with
a microfiber cloth moistened with alcohol.
Cleaning the Particle Sensor
The PM1.0 (super ultra-fine dust) sensor detects
fine dust and large dust contamination levels. So
for best results clean the lens periodically, at least
once every 2 months.
1
Facing the front of the product, hold and
gently pull both sides of the air inlet (cover) to
remove it.
• The side with the LG logo on the display is
the front of the product.
2
Push the sensor cover up.
3
Clean the lens with a cotton swab soaked with
water and dry it off with a dry cotton swab.
4
Close the sensor cover.
NOTE
• Do not wipe the sensor with any substances
other than water. Doing so may cause the
appliance to malfunction.
• When opening or closing the sensor cover, a
sound caused by friction may be heard.
Cleaning the Filters
1
Remove the front and rear covers from the
product.
• Facing the front of the product with the LG
logo, hold and gently pull both sides of the
cover on top of the air inlet (cover) to
remove it. Repeat to remove the back cover.