Viessmann VITOCROSSAL CI, Operating Instructions Manual

Page: 31 / 48

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If any faults have occurred in your heating system, the
symbol flashes on the display and "Fault" is shown.
The red fault indicator flashes (see chapter "Starting
the heating system").
OK
Fault
Select with
Fig. 27
Danger
If faults are not rectified, they can have life
threatening consequences.
Do not acknowledge fault messages several
times in quick succession. Notify your heating
contractor if a fault recurs. Your heating contrac-
tor will be able to analyse the cause and rectify
the fault.
1. You can call up the cause of the fault with OK .
Fault
Acknowledge with
Fault
Outside t sens
OK
18
A2
Fig. 28
2. Pressing ? calls up information on the heating sys-
tem characteristics.
Tips on measures you can take yourself
before noti-
fying your heating contractor are displayed.
3. Make a note of the cause of the fault and the fault
code next to it on the right. In the example: "Out-
side t sens 18" and "Fault A2" .
This enables the heating contractor to be better pre-
pared and may save you unnecessary travelling
costs.
4. If you want to acknowledge the fault message, fol-
low the instructions in the menu.
The fault message is copied to the menu.
Display in the standard menu
Boiler temperature 48°C
HC1
14°C 21°C
Fig. 29
Display in the extended menu
Menu
Solar energy
Continue with
DHW
Heating
Fault
OK
ã
Fig. 30
Note
■ If you have connected an alarm to alert you to
fault messages (e.g. a buzzer), this is deactivated
when the fault message is acknowledged.
■ If troubleshooting cannot be carried out until a
later date, the fault message will be displayed
again the following day at 07:00 h. The alarm is
switched on again.
Calling up an acknowledged fault message
Extended menu
1.
2.
"Fault"
Calling up information
Scanning fault messages
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