Viessmann VITOTRONIC 300 Installation And Service Instructions Manual page 41

Scanning and resetting "Maintenance" display
After maintenance has been carried out
1.
Please note:
If the coding address "24" is not
reset, a new "Maintenance"
display will be shown on Monday
at 07:00 hrs.
2.
H c
H
H c
3.
H K
H
e
H d
G
41