Blueair Blue 3210 Manuel Utilisateur page 8

Step 9
Press the filter shelf ring
firmly into position above the
main filter. The filter shelf ring
protects the top edge of the
main filter from damage.
Step 11
Carefully push the top
cylinder down while rotating
clockwise to secure the lock.
Step 13
Press the touch button for
a duration of 7 seconds to
reset the filter replacement
timer.
This lets the air purifier know
that you have changed the
filter.
The indicator light flashes for
4 seconds, and then changes
from red to white.
Step 10
Place the pre-filter back onto
the unit.
Adjust the pre-filter and the
panel to hide the power cord
in the back.
Step 12
Plug in the unit.