6
Changing a defective internal lighting fuse
Figure 123
2.
Slightly depress locking device 5 and remove upper section of housing 6.
3.
Carefully remove operating device 2 from the lower section of the housing 4.
4.
Replace fuse D
NFORMATION: The cover 2 must be inserted into both lateral slots 4.
5. Insert cover 2 into both lateral slots 4 and carefully depress onto the lower section of the housing 1 until a
click is audible.
7. Place upper section of housing 5 on top of the lower section of housing 1, pivot downwards and depress
until a click is audible.
7
Feedback on errors arising
Dear installer,
send us an error description which is as accurate as possible. In principle, please return to us the temperature
sensor pertaining to each control unit.
The error messages in the display mean:
HH:
Internal temperature above 140 °C
WE DO IT FIRST.
3 to the left until a click is audible and lift off upwards.
2.
7 or 8 blocked
3.
3.