Change Passwords - Viessmann Vitotronic 200 Installation And Service Instructions For Contractors

Diagnosis and service scans
Exit service
Tap the following buttons:
"Exit service"

Change passwords

In the delivered condition, the following passwords
have been assigned:
"viservice" for access to the "Service Menu"
■
■ "viexpert" for access to "Parameter level 2"
Tap the following buttons:
1.
2. "Service"
3. Enter "viservice" password.
Resetting all passwords to their factory settings
Tap the following buttons:
1. Request the master password from the Viessmann
Group Technical Service.
2.
3. "Service"
4. Enter "viservice" password.
Diagnosis
Scanning operating data
Operating data can be scanned in different areas: See
"Diagnosis" in the Service menu overview.
Operating data on heating circuits with mixers or on a
solar thermal system can only be called up if the rele-
vant components are installed in the system.
For further information on operating data: See chapter
"Brief scan".
Note
"- - -" appears on the display if a scanned sensor is
faulty.
Calling up operating data
Tap the following buttons:
1.
2. "Service"
88
Note
The system exits the service menu automatically after
30 min.
4. "Change passwords"
5. "Service Menu" or "Parameter level 2"
6. Enter current password.
7. Confirm with .
8. Enter new password.
9. Confirm with .
5. "Change passwords"
6. "Reset all passwords"
7. Enter master password.
8. Confirm with .
3. Enter "viservice" password.
4. "Diagnosis"
5. Select required group, e.g. "General".
Resetting operating data
Saved operating data (e.g. hours run) can be reset to
0.
The value "Adjusted outside temperature" is reset to
the actual value.
Tap the following buttons:
1.
2. "Service"