Scanning Fault Messages - Viessmann VITODENS Series Operating Instructions Manual

Scanning fault messages

If any faults have occurred in your heat-
ing system, symbol " " flashes on the
display and the fault code is shown. In
addition, the red fault indicator flashes
(see page 10).
Example:
Fault code shown: "50"
1
1. Notify your heating contractor of the
fault code. This enables the heating
contractor to be better prepared for
the service call and may save addi-
tional travelling costs.
2. Acknowledge the fault message with
OK. Symbol " " no longer flashes.
Note
■ If signalling equipment (e.g. an
alarm) has been connected for fault
messages, this is deactivated
when the fault message is
acknowledged.
■ If the fault can only be fixed at a
later date, the fault message will
reappear the following day.
ã
5 0
Calling up an acknowledged fault
message
Hold down OK for approx. 4 s.
Note
If there are several fault messages, you
can scan these in sequence by pressing
/ .
Scanning
25