EN
3. Dismantle the interior air filter.
Fig.
on page 7
4. Insert a new interior air filter.
Fig.
on page 7
5. Clip the ADB center cover to the interior cover.
6. Press the
button to switch the ventilation system on.
7.
Press the
button for 3 s to reset the air filter status.
10 Troubleshooting
Problem
The ventilation system does not switch
on.
The display does not respond.
The heat exchanger does not longer
rotate.
The ventilation system does not work
correctly.
The ventilation system does not work.
18
Possible cause
No power supply connected.
The voltage is too out of range.
The display is dirty.
The display is defective.
The display is blocked.
A part in the ventilation system is de-
fective.
The ventilation system is not connect-
ed correctly.
The storage mode is active.
The heat exchanger is blocked.
The grilles on the outside of the venti-
lation system are covered.
The ventilation system is not connect-
ed correctly.
A part in the ventilation system is de-
fective.
The ventilation system is not connect-
ed correctly.
Suggested remedy
Check the power supply.
Contact an authorized service
agent.
Clean the display with a slightly
damp cloth.
Contact an authorized service
agent.
Reset the ventilation system (see
Resetting the ventilation
Contact an authorized service
agent.
Contact an authorized service
agent.
–
1.
Press the
button to switch the
ventilation system off.
2.
Press the
button to switch the
ventilation system on.
3.
If the heat exchanger does not
rotate, contact an authorized ser-
vice agent.
Remove leaves and other ob-
stacles from the air and climate
grilles.
Contact an authorized service
agent.
Contact an authorized service
agent.
Contact an authorized service
agent.
system).