Displaying Messages - Viessmann vitocal 300-g Operating Instructions Manual

Scanning messages
Note
Also notify your heating contractor if a
fault develops.
Note the following details and pass them
on to your heating contractor:
« A9: Heat pump")
■ Fault type (e.g.: "
■ Date of fault
■ Time of fault
This allows the heating contractor to bet-
ter prepare for the service call and may
save additional travelling costs.

Displaying messages

Control unit settings can be made, and scanning can take place without acknowl-
edging messages.
Fault messages
B1 KM BUS EEV
B4 AD converter
39 primary return sensor
ALL
Acknowledging messages
All active messages are displayed by pressing the "Standard display" key on the
programming unit display.
(cont.)
Press the following keys:
1. "Standard display" for the list of
messages
2. "BACK" for "Main menu"
Back
TIME
Scanning options
You can now make adjust-
ments and scans.
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