Problem
Cause
Solution
Replace the fuse.
The batteries in the remote
control are dead.
Replace the batteries.
Replace the filters.
Install the filters in the device.
Install the filters correctly.
The device makes a
creaking sound.
The device does not
work
The device does not
remove odours and/or
dust.
The
mode
(automatic operation)
does not work.
The device operates
continuously in the
mode (automatic
operation).
No / insufficient air
circulation.
The Semi HEPA-/Enzyme-filter and
the active carbon filter are dirty.
The Semi HEPA-/Enzyme-filter
and the active carbon filter
are missing.
The Semi HEPA-/Enzyme-filter
and the active carbon filter
have been installed incorrectly.
This noise may occur when small
dust particles enter the device
and does not indicate a defect.
Contact your dealer if this
noise is constantly audible.
First purify the air. Then
switch the device to the
mode.
Manually switch the device to
the highest ventilator setting
in order to purify the air. Then
switch the device to the
mode.
Manually switch the device to
the desired mode.
There are excessively high
concentrations of harmful
gasses or fumes in the room.
The temperature in the room
may fluctuate significantly
(e.g.due to the opening and
closing of windows/doors).
The air in the room was dirty
when the plug was inserted
into the socket.
The odor sensor
is dirty.
The power cord is not
connected properly.
The fuse of the unit is defective.
The air flow is blocked.
The power cord is not
connected.
Insert the plug into the socket.
Insert the plug into the socket
correctly.
Remove the blockage.
Replace the filters.
4
11
H
TROUBLE SHOOTING
Check the following before contacting technical support: