Viessmann GC1 - Brief Scan; Scanning and Resetting Service Display

Vitotronic 100, GC1B / Vitotronic 300-K, MW1B Installation and Service
5793 309 - 05
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1. Press OK and simultaneously for approx. 4 sec.
2. “Diagnosis”
3. “Brief scan”.
4. Press OK. The display shows 9 lines with 6 fields each.
Service Scans, Vitotronic 300-K
For an explanation of the relevant values in the individual lines, see the following table:
Line (brief scan) Field
123456
1: System schemes 01 to 10 Control unit software version Programming unit software
version
2: 2 0 0 0 Appliance identification
ZE-ID
3: 0 0 Number of KM BUS participants Software version
Solar control module
4: 000000
5: 0 0 0 0 Software
version,
extension
AM1
Software
version,
extension
EA1
6: 000000
7: Subnet address/system number Node address 0 0
8: SNVT
config.
0: Auto
1: Tool
Software
version
Communic.
coproc.
Software version
Neuron Chip
Number of LON participants
System circuit HC1 Heating circuit HC2 Heating circuit HC3
9: 000000
10:000000
11: 0 0 Software
version,
extension
for heating
circuits
2
and 3 with
mixing valve
0 Software
version,
extension
for heating
circuits
2
and 3 with
mixing valve
0
Note: The displays in fields 3 and 5 are the same.
Brief Scan
In the brief scan, you can scan temperatures, software
versions and connected components, for example.
Note: If a service display appears on the Vitotronic 300-K,
MW1B, the display will show “Participant fault” and
the participant number.
Scanning and Resetting Service Display
No service interval can be set at the Vitotronic 300-K. In
other words, no service display is shown.