Exiting The Service Menu; Changing The Service Password; Resetting All Passwords To Delivered Condition; Diagnosis - Viessmann VITODENS 200-W Installation And Service Instructions For Contractors

Exiting the service menu

Tap the following buttons:
"Exit service menu" or

Changing the service password

In the delivered condition, "viservice" is preset as the
password for accessing the "Service menu".
Tap the following buttons:
01. " "
02. "Service"
03. Enter password "viservice".
04. Use to confirm.

Resetting all passwords to delivered condition

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

Diagnosis

Checking operating data

Operating data can be called up in various areas. See
"Diagnosis" in the service menu overview.
Operating data on heating circuits with mixer can only
be called up if such components are installed in the
system.
Note
If a called up sensor is faulty, "- - -" appears on the
display.
Calling up operating data
Tap the following buttons:
1. " "
.
Diagnosis and service checks
Note
The system exits the service menu automatically after
30 min.
05. "Change passwords".
06. "Service menu"
07. Enter current password.
08. Use to confirm.
09. Enter new password.
10. Confirm twice with
5. Use to confirm.
6. "Change passwords"
7. "Reset all passwords"
8. Enter master password.
9. Confirm twice with .
2. "Service"
3. Enter password "viservice".
4. Use to confirm.
5. "Diagnosis"
6. Select required group, e.g. "General".
.
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