UK │ 10. Cleaning
2. If the designer cover [3] is very dirty,
remove it carefully from the fan and clean
w ith w ater.
3. Fit designer cover [3].
11. Fault rectification
● Call on the services of a trained electrician
any time there is a fault.
● Repairs should only be carried out by a
trained electrician.
Danger to life from electric
shock.
DANGER
Sw itch off mains fuse before
w orking on electrical
connection.
Both
No m ains voltage.
LEDs off.
Check w hether the mains fuse
has failed. Sw itch on if
necessary.
Internal climate sensor error.
Both LEDs
The internal climate sensor
blink three
has not been detected. Check
times.
for firm seating and correct
mounting orientation.
External climate sensor error.
Both LEDs
The connection to the external
blink five
climate sensor is interrupted.
times.
Check the sensor connection
cable and plug contact.
Impeller blocked.
Fan does
Should only be carried out
not sw itch
by a trained electrician:
on.
Remove cover [4]. Unlock
internal grille [8] via locking
hook ( arrow ) remove.
Check impeller and
clean if necessary.
22
12. Dismantling
Dismantling may only be undertaken
by an electrician.
Danger to life from electric
shock.
DANGER
Sw itch off mains fuse before
removing.
1. Unlock covers ( arrow ) and remove.
2. Remove electronics cover [6]
(3 locking tabs).
3. Remove pow er cable.
4. Remove fan.
13. Disposal
Do not dispose of in dom estic
w aste.
The unit contains in part materials
that can be recycled and in part
substances that should not end up in
the domestic w aste.
Dispose of the unit once it has reached the
end of its service life according to the
regulations valid w here you are.
14. Wiring diagram
For w iring diagram see page 34.