Blueair Blue 3210 Manuel Utilisateur page 16

Clean the air quality sensor
The inlet for the air quality sensor is located at the back of the air purifier.
Important! Do not use fingers or any unrecommended objects to clean inside the sensor inlet.
Step 1
Turn the unit off and unplug
it.
Step 3
Remove the top cylinder
from the unit.
Step 5
Gently clean the sensor with
a cotton swab, and attach
the sensor lid
Step 7
Plug in the unit.
Step 2
Carefully push the top
cylinder down while rotating
counterclockwise to unlock.
Step 4
Press the button on the
inside of the unit to open
the lid covering the sensor
and remove the lid.
Step 6
Carefully push the top
cylinder down while
rotating clockwise to
secure the lock.
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