Calling Up Fault Messages - Viessmann VITOLIGNO 250-S Operating Instructions Manual

Information call up
Calling up information
Calling up temperatures
Information on temperatures can be called up via the
standard menu and the extended menu. The range of
displayed values is wider in the extended menu. We
therefore recommend calling up temperatures via the
extended menu.
Calling up temperatures in the standard menu
Press the following keys:
1. Repeatedly, until the standard menu is dis-
ä
played.
2. / For "Information".
| ~
3. To confirm.
d
4. / For "Outside temperature", "Heating" or
| ~
"DHW".
The overview below shows the temperatures
displayed in the "Heating" and "DHW" sub-
menus.
Sub-menu "Heating":
■ Set flow temperature
■ Actual flow temperature
Sub-menu "DHW":
■ Set DHW temperature
■ Actual DHW temperature
■ Set return temperature
Actual return temperature
■
Calling up the heating water temperature in the
standard menu
Press the following keys:
1. Repeatedly, until the standard menu is dis-
ä
played.
2. / For "Buffer".
| ~
3. To confirm.
d

Calling up fault messages

Displaying a fault message
If any faults have occurred in your heating system, the
symbol " " flashes in the display and "Fault" is
shown.
36
(cont.)
4. / To display the required temperature.
| ~
The following temperatures can be called up in the
"Buffer" menu:
Set buffer
■
Buffer average
■
■ Buffer sensors
Calling up temperatures in the extended menu
Press the following keys:
1. For the "Extended menu".
å
2. / For "Information".
| ~
3. To confirm.
d
4. / For "General", "Boiler", "Heating" or
| ~
"DHW".
The following overviews show the tempera-
tures displayed in the sub-menus.
5. To confirm.
d
Temperatures in the sub-menu "General":
■ Outside temperature
Set system temperature
■
Temperatures in the sub-menu "Boiler":
■ Boiler water temperature
■ Boiler return
Flue gas temperature
■
Temperatures in the sub-menu "Heating":
■ Set room temperature
■ Set reduced room temperature
■ Set flow temperature
Actual flow temperature
■
Temperatures in the sub-menu "DHW":
■ Set DHW temperature
■ Actual DHW temperature
Set return temperature
■
Actual return temperature
■
The heating contractor uses fault messages to quickly
pinpoint the cause of your boiler's fault. Make a note of
the fault message displayed, so you can notify your
heating contractor accordingly.
This can reduce the time required to resolve the fault
and save costs.