Calling Up Fault Codes From The Fault Memory (Fault History) - Viessmann Vitotronic 200 Installation And Service Instructions Manual

Faults that are displayed at the programming unit
Calling up acknowledged fault messages
Press the following keys:
1. d approx. 2 s.
Plain text fault display
Burner
Safety temp. limit
Safety chain
C1, C8, C9, CA, Cb
For explanations, see the table on
page 63
Ext. fault
Outside temperature sensor
Boiler sensor
Cylinder sensor
Cylinder sensor 1 or 2, if 2 cylinder
temperature sensors are connected

Calling up fault codes from the fault memory (fault history)

The 10 most recent faults are saved
and may be scanned.
The faults are ordered by date, thus
the most recent fault is fault number 1.
(cont.)
2. a/b for the acknowledged fault.
Sensor 17A
Sensor 17B
Room temperature sensor
Flue gas sensor
Collector sensor
Solar DHW sensor
Subscriber no.
Subscriber fault
Displays only if the control unit is
programmed as fault manager
Press the following keys:
1. G + d simultaneously for
approx. 2 s.
2. a/b for individual fault
codes.
3. Note
All saved fault codes can be
deleted with e.
4. d Scanning is completed.
Troubleshooting
57