12
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 so, stop using the
air purifier and contact
Customer Support
(see page 15).
Securely close the filter cover so that the safety switch is activated
(see page 6).
Plug the air purifier into a different outlet.
The air purifier may be malfunctioning. Contact
Customer
Support
(see page 15).
Air quality indicator always
stays red.
Clean the dust sensor lens (see page 10).
If you’re using an ultrasonic humidifier near the air purifier,
the mist may affect the accuracy of the dust sensor. The
sensor will detect the large mist particles, and the Air Quality
Indicator may turn red. Avoid using an ultrasonic humidifier
near the air purifier, or avoid using Auto Mode.
Air quality indicator always
stays blue, even though air
quality is poor.
Clean the dust sensor lens (see page 10).
The dust sensor detects airborne particles, but it cannot
detect gas. Make sure there isn’t gas polluting the air.
Air purifier makes an
unusual noise while the fan
is on.
Make sure the filters are removed from their packaging and
properly in place (see page 6).
Replace the filters (see page 9).
Air purifier may be damaged, or a foreign object may be inside.
Stop using the air purifier and contact
Customer Support
(see
page 15).
Do not
try to repair the air purifier.
Airflow is significantly
reduced.
Make sure the filters are properly in place with plastic packaging
removed (see page 6).
Press
to increase the fan speed.
Leave 15 in / 38 cm of clearance on all sides of the air purifier.
The pre-filter may be clogged by large particles, such as hair or
lint, blocking airflow. Clean the pre-filter (see page 9).
Replace the filters (see page 9).
Check Filter Indicator is
still on after replacing the
filters.
Reset the Check Filter Indicator (see page 11).
T R O U B L E S H O O T I N G
