Samsung AX40T3020UW/NA User Manual page 16

Cleaning and maintenance
Cleaning the sensor
When the air purifi er is not operating, hold the left
and right edges of the back cover, pull it forward
slightly (①) and then lift it up (②) to separate it .
Dust sensor
Gas sensor
Insert the hooks of the back cover into the grooves at the bottom of the main body (①) and press the edges of the back
cover so that it fi ts into 8 holes (②) of the main body .
• Do not clean the sensors using volatile substances (alcohol, acetone, etc . ) . Use only water .
• If the dust sensor lens or the gas sensor is contaminated by a foreign substance (dust), the cleanness indicator of
CAUTION
the air purifi er may be stuck in the polluted state . In this case, clean the sensors .
• Clean the sensors at least once every 6 months . However, cleaning period should be diff erent depending on the
operating environment and the operating time . Therefore cleaning should be more often in places with lots of
dusts .
• Cleanness indicator on the control panel may not change from polluted state when the air purifi er is operating
in place with heavy dusts or smells that may be beyond its capability .
(In this case, open the window to ventilate, or use the air purifi er with appropriate capacity . )
• Do not use any spray type product near the air purifi er .
• Turn off the power when cleaning the sensors . If you clean the sensors while the power is on, misdetection may
occur from the sensor and the cleanness indicator may not work properly .
②
①
②
ENGLISH-16
Carefully clean the lens and the gas sensor with a
cotton swab .
Dust sensor
lens
Gas
sensor
①
Back cover