Viessmann FB2B Installation And Service Instructions Manual page 99

4.8 to 26 kw gas condensing/solar storage combi boiler natural gas and lpg version gas council no.: 47-819-18 19 kw 47-819-19 26 kw
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Diagnosis
(cont.)
Resetting operating data
Saved operating data (e.g. hours run) can be reset to 0.
The value "Adjusted outside temp" is reset to the actual value.
1. Press OK and å simultaneously
for approx. 4 s.
2. "Diagnosis"
Brief scan
In the brief scan, you can scan temperatures, software versions and connected com-
ponents, for example.
1. Press OK and å simultaneously for approx. 4 s.
2. "Diagnosis"
3. "Brief scan".
4. Press OK.
The display shows 9 lines with 6 fields each.
Diagnose Kurzabfrage
1:
1
F
0
A
1
2:
0
0
0
0
0
3:
0
0
0
0
0
0
0
0
0
0
4:
Wählen mit
For an explanation of the relevant values in the individual lines and fields, see
the following table:
Line (brief
scan)
1
1:
Software version
Control unit
2:
System scheme 01
to 10
3. "Reset data"
4. Select required value (e.g. "Burner
starts") or "All details".
2
0
0
0
Field
2
3
Equipment version
Number
Maximum demand temperature
of KM
BUS sub-
scribers
Diagnosis and service scans
4
5
Burner control unit ver-
sion
6
99

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