Viessmann VITOTRONIC 200 Service Instructions Manual page 103

Diagnosis (service scans)
The following operating data is available in the individ-
ual groups:
■ Temperature values
■ Status information, e.g. ON/OFF
■ Hours run
Diagnosis overviews
■
Note
The type and number of menu entries depend on the
heat pump, heating system and current parameter set-
tings.
Ú Scroll to the right in order to display the required
information.
Calling up a diagnosis
1. Service menu:
Press OK + simultaneously and hold for
å
approx. 4 s.
2. "Diagnosis"
3. Select the required group, e.g. "Heat pump".
Diagnosis
103