Viessmann VITOCROSSAL 300 Operating Instructions Manual page 33

Vitocrossal 300 CA3 Series 2.5 to 6.0 Operating
Scanning Information
(continued)
Scanning fault messages
Your display indicates that your heating system has
developed faults by showing symbol
The red fault indicator flashes on the control unit
enclosure (see chapter "Starting the heating system").
Tap "Close".
The footer shows .
Note: - If you have connected signalling equipment to
indicate 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 am (07:00 h).
The alarm equipment is switched on again.
1. Tap in the footer. The fault message appears in red
in a list.
2. Tapping ? calls up information on the heating system
characteristics. Tips on measures you can take yourself
before notifying your heating contractor are displayed.
3. Make a note of the fault code and the cause for the
fault. In this example: f0 "Combustion controller".
This enables the heating contractor to be better
prepared and may save you unnecessary travelling
costs.
4. Notify your local heating contractor.
5. Tap "Acknowledge".
WARNING
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 contractor will
be able to analyze the cause and rectify the fault.
If simultaneously service messages are 'live' on your
heating system, tapping on
display:
Tap "Faults"
The fault messages will be listed in red.
Scanning
and "Faults".
will show the following
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