Viessmann Vitoligno 300-P Service Instructions For Contractors page 44

Codes
Resetting codes to their delivered condition
Press the following keys:
1. d + MENU simultaneously for
2. |/~
3. d
4. |/~
5. d
Code 1
Call up code 1.
Press the following keys:
1. d + MENU simultaneously for
approx. 4 s.
The "Service" menu is
displayed.
2. |/~ for "Code 1".
3. d
to confirm.
4. |/~ for the required coding
address.
44
approx. 4 s.
The "Service" menu
is displayed.
for "Code 2".
to confirm.
for "Standard set-
tings".
to confirm.
6. |/~
7. d
8. |/~
9. d
10. Exit service menu.
Note
For this, the code for the selected supply
system was not reset.
5. d to confirm.
6. |/~ for the selected value.
7. d to confirm.
In the display "Accep-
ted" appears briefly.
8. Exit service menu.
for "System con-
trol".
to confirm.
for "Yes".
to confirm.