16
EN
Problem Possible Solution
Air purifier will not turn on or
respond to button controls.
Plug in the air purifier.
Check to see if the power cord is damaged. If it is, stop using the
air purifier and contact Customer Support (see page 19).
Securely close the filter cover so that the safety switch is
activated (see page 9).
Plug the air purifier into a dierent outlet.
Air purifier may be malfunctioning. Contact Customer Support
(see page 19).
Air Quality Indicator always
stays red.
Clean the dust sensor lens (see page 14).
Air Quality Indicator always
stays blue, even though air
quality is poor.
Air purifier makes an
unusual noise when the fan
is on.
Make sure the filters are removed from their packaging and
properly in place (see page 9).
Replace the filters (see page 13).
Air purifier may be damaged, or a foreign object may be inside.
Stop using the air purifier and contact Customer Support (see
page 19). Do not try to repair the air purifier.
Airflow is significantly
reduced.
Make sure the filters are removed from their packaging.
Press
to increase the fan speed.
Leave 38 cm / 15 in of clearance on all sides of the air purifier.
Replace the filters (see page 13).
Check Filter Indicator is still
on after replacing the air
filters.
Reset the Check Filter Indicator (see page 15).
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