Service Scans; Service Functions; Temperatures, Boiler Coding Card And Brief Scans - Viessmann VITOLIGNO 300-P Service Instructions Manual

Service scans

Service functions

The following service functions can be selected:
■ "Diagnosis" see pages 80 and 86
■ "Actuator test" see page 39
■ "Code 1" see page 54
■ "Code 2" see page 60
■ "Fault history" see page 87
■ "Commissioning" see from page 11
■ "Fuel supply" see pages 6 and 12
■ "User check" see page 46
■ "Terminate service" see page 80
Calling up the service menu
The service menu can be enabled from any menu.
Press the following keys:
1. d + MENU simultaneously for
approx. 4 s.
The "Service" menu is
displayed.
Leaving the service menu
You can leave the service menu as fol-
lows:

Temperatures, boiler coding card and brief scans

Press the following keys:
1. d + MENU simultaneously for
approx. 4 s.
The "Service" menu is
displayed.
2. |/~ for "Diagnosis".
80
2. |/~ for the required service
function.
■ With the "Back" key
■ With keys d + MENU
■ Automatically after 30 min
3. d to confirm.
4. |/~ for the required param-
eter.
5. Press "Back" until the standard dis-
play is shown.
This terminates the diagnosis.