Resetting All Passwords To Their Delivered Condition; Diagnosis; Scanning Operating Data; Calling Up Device Status - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Diagnosis and service scans
Change passwords
3. Enter "viservice" password.
4. "Change passwords".
5. "Service, level" or "Parameter level 2"
6. Enter current password.

Resetting all passwords to their delivered condition

Tap the following buttons:
1. Request the master password from the Technical
Service at the Viessmann Group.
2. "Menu"
3. "Service"
4. Enter "viservice" password.

Diagnosis

Scanning operating data

Operating data can be scanned in various areas. See
"Diagnosis" in the service menu overview.
Operating data on heating circuits with mixer, ventila-
tion or solar thermal systems can only be scanned if
such components are installed in the system.
For further information on operating data, see chapter
"Brief scan".
Note
If a scanned sensor is faulty, "- - -" appears on the dis-
play.
Calling up operating data
Tap the following buttons:
1. "Menu"
2. "Service"
3. Enter "viservice" password.
4. "Diagnosis"

Calling up device status

Tap the following buttons:
1. "Menu"
2. "Service"
84
(cont.)
7. Confirm with OK.
8. Enter new password.
9. Tap OK twice
5. "Change passwords"
6. "Reset all passwords"
7. Enter master password.
8. Press OK 2 times to confirm.
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. "Menu"
2. "Service"
3. Enter "viservice" password.
4. "Diagnosis"
5. "Reset data"
6. Select required value or "All data".
3. Enter "viservice" password.
4. "Device status"
The system scheme is shown in the display.