User manual

8 Troubleshooting
This chapter summarizes the most common problems you could encounter with the
appliance. If you are unable to solve the problem with the information below, contact
the Consumer Care Center in your country.
Problem Possible solution
The air purier
does not work
even though it is
plugged in to the
power socket and
switched on.
• Check if the front cover is properly installed.
• The lter replacement code has been displaying on the
screen but you have not replaced the corresponding lter
yet. The appliance will be locked if you keep using the
expired lter. In this case, replace the lter and reset the
lter lifetime counter.
The air purier
does not work
even though it is
switched on.
• The lter replacement indicator has been on continuously
but you have not replaced the corresponding lter, and the
air purier is now locked. In this case, replace the lter and
reset the lter lifetime counter.
The air purier
accidentally
powers o.
• The air purier restarts automatically and goes to the
previous mode when the power resumes.
The airow that
comes out of
the air outlet
is signicantly
weaker than
before.
• The pre-lter is dirty. Clean the pre-lter (see chapter
"Cleaning").
The air quality
does not improve,
even though the air
purier has been
operating for a
long time.
• One of the lters has not been placed in the air purier or
the lter is not placed properly. Make sure that all lters
are properly installed in the following order, starting with
the innermost lter:
1) NanoProtect lter Series 3 (FY1410); 2) NanoProtect lter
Active Carbon (FY1413) 3) pre-lter.
• The air quality sensor is wet. Make sure that the air quality
sensor is clean and dry (see chapter "Cleaning").
The color of the air
quality light always
stays the same.
• The air quality sensor is dirty. Clean the air quality sensor
(see chapter "Cleaning").
14 EN