Viessmann VITOCAL 300-G Installation And Service Instructions Manual page 127

Messages
(cont.)
Explanation of messages
Fault " "
■ The central fault message terminal is
activated.
■ Message via communication facility
(e.g. Vitodata, Vitocom) possible.
■ The system is no longer in standard
mode; the fault must be removed as
quickly as possible.
Acknowledging messages and recalling acknowledged messages
Operating instructions
Calling up messages from the mes-
sage history
■ Messages cannot be acknowledged in
the message history.
■ The messages are listed in order of
occurrence with the most recent first.
■ Up to 30 entries are stored.
Message overview
All messages are identified by a two-digit code.
Message
System characteristics Cause
02 Std after data error
Warning " "
■ The operation of the appliance is limi-
ted and the cause of the warning must
be removed.
Note " "
■ The appliance retains its functionality,
however the information needs to be
noted.
Service menu:
1. Press OK + å simultaneously for
approx. 4 s.
2. "Message history"
3. Press OK to scan information about
the required message.
Note
The service menu remains active until it
is deactivated with "Terminate serv-
ice?", or if no operation takes place for
30 minutes.
Delivered condition set
after recognition of data
fault
Troubleshooting
Measures
Reconfigure system.
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