Troubleshooting table
Page EN-30
Problem
Possible cause
Solutions, tips
The indicator
E1
appears on
the display.
Filters are not in-
serted incorrectly.
Insert the filters correctly.
The indicator
E3
appears on
the display.
The fan power indi-
cator is defective.
Contact our Service team (see
“Service“ on page EN-31).
The indicator
EO
appears on
the display.
A hardware prob-
lem.
Contact our Service team (see
“Service“ on page EN-31).
The indicator
EU
appears on
the display.
There is a problem
with the sensor for
the PM 2.5 (Fine
Dust) control.
Contact our Service team (see
“Service“ on page EN-31).