Brief Scan - Viessmann VITODENS 200-W Service Instructions Manual

Wall mounted gas condensing boiler natural gas and lpg version
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Diagnosis
(cont.)
Note
"- - -" appears on the display if a sensor that has been scanned is faulty.
Calling up operating data
Weather-compensated control unit
1. Press OK and å simultaneously
for approx. 4 s.
2. "Diagnosis"
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.
Weather-compensated control unit
1. Press OK and å simultaneously
for approx. 4 s.
2. "Diagnosis"
3. "Reset data"

Brief scan

In the brief scan, you can scan temperatures, software versions and connected com-
ponents, for example.
Weather-compensated control unit
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.
Diagnosis and service scans
3. Select required group, e.g. "Gen-
eral".
Constant temperature control unit
Operating instructions, chapter
"Scanning information"
4. Select required value (e.g. "Burner
starts") or "All details".
Constant temperature control unit
Operating instructions, chapter
"Scanning information"
87

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