Viessmann VITODENS Operating Instructions Manual page 39

Calling up a service message
If your heating system is due for a serv-
ice, the symbol flashes on the display
and "Service" is shown.
Service
Continue with
1. You can call up the reason for the
service with OK.
OK
2. Pressing calls up information on the
service that is due.
3. If you want to acknowledge the serv-
ice message, follow the instructions in
the menu.
Contact your local heating contractor.
The service message is transferred to
the menu.
Display in the standard menu
Service
Burner
Acknowledge with
21°C
14°C
Boiler temperature
Scanning
05500 h
OK
HC1
48°C
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