28
12. Troubleshooting
Problem
Suggested solution(s)
Air purifier will not turn on or respond to
Air purifier will not
turn on or respond
to button controls.
button controls.
•
Connect the air purifier to the power supply, or connect the air purifier into a different
power outlet.
• Check to see if the power cord is damaged.
•
Check if the filter cover is replaced correctly, so that the safety switch is activated.
See “8. Getting started” on page 22.
Air purifier makes an
unusual noise while
the fan is on.
•
Make sure the air filter is installed correctly. See “8. Getting started” on page 22.
• Press
to increase the fan speed.
•
The air purifier may be damaged, or a foreign object may be inside. Stop using the
air purifier and contact our technical support service. Do not open the air purifier.
•
Replace the air filter. See “11. Replacing the air filter” on page 27.
Significantly
reduced airflow
•
Check if the filter packaging has been removed.
•
Replace the air filter. See “11. Replacing the air filter” on page 27.
•
Check there is enough clearance on all sides of the purifier (≥40 cm).
Poor air purification
quality.
•
Make sure no objects are blocking the air intakes or outlets.
•
Make sure the air filter is installed correctly. See “8. Getting started” on page 22.
•
Make sure the room is within the suggested room size. The air purifier may not be
effective in larger rooms.
•
Replace the air filter. See “11. Replacing the air filter” on page 27.
The air purifier is
producing an un-
pleasant odor.
•
Make sure the air purifier is in a room where the relative humidity is <85% RH.
Higher humidity levels may cause mildew to grow on the air filter.
•
Replace the air filter. See “11. Replacing the air filter” on page 27.
is still illumi-
nated after replacing
the air filter.
• Reset the air filter indicator
. See “f) Reset the air filter indicator / lifetime”
on page 25.
