Downloading Fault Codes From The Fault Memory (Fault History) - Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual

Troubleshooting

Downloading fault codes from the fault memory (fault history)

The last 10 faults are saved and may
be called up.
Faults are sorted by date. The most
recent fault has fault number 1.
Fault history
F 1
1
42
18
1. Press G and d simultaneously
for approx. 2 s.
2. Call up the individual fault codes
with a/b.
Note
All saved fault codes can be
deleted with e.
3. Press d.