Scanning Fault Messages; Calling Up An Acknowledged Fault Message - Viessmann VITOCROSSAL 300 CU3A 35 Operating Instructions Manual

Scanning

Scanning Fault Messages

Display in the standard menu
Display in the extended menu
34
Vitocrossal 300 CU3A 26 to 199 Operating
If any faults have occurred in your heating system, the
 
symbol flashes in the display, and "Fault" appears.
The red fault indicator also flashes (see chapter "Starting
the heating system").
WARNING
If faults are not rectified, they can have life threatening
consequences. Do not acknowledge fault messages
several times in quick succession. If a fault occurs
repeatedly, notify your heating contractor so the cause
can be analyzed and the fault rectified.
1. You can call up the cause of the fault with
2. Pressing calls up information on the heating system
?
performance. Tips on which measures you can take
yourself before notifying your heating contractor are
also displayed.
3. Make a note of the cause of the fault and the fault
code next to it on the right. In this example: "Outside
temp sens 18" and "Fault A2". This enables the
heating contractor to be better prepared for the
service call and may save additional time and costs.
4. If you want to acknowledge the fault
message, follow the instructions in the menu.
The fault message is transferred to the menu.
Note: - If you have connected up signalling equipment
(e.g. a buzzer) for fault messages, this is
deactivated when the fault message is
acknowledged.
- If the fault can only be rectified later, the fault
message will be displayed again the next day at
7:00 h, when the signalling equipment (if installed)
is switched on again.

Calling up an acknowledged fault message

Extended menu:
1.
2. "Fault"
OK
.