Diagnosis And Service Scans; Service Menu - Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual

Service menu

Weather-compensated control unit
Calling up the service menu
1. Press OK and å simultaneously for
approx. 4 s.
2. Select required menu. See following
diagram.
Exiting the service menu
1. Select "Terminate service?".
2. Select "Yes".
3. Confirm with OK.
Note
The system exits the service level auto-
matically after 30 min.
Overview of service menu for weather-compensated mode
Service
Diagnosis
Actuator test
Coding level 1
Coding level 2
Fault history
Service functions
Terminate service?

Diagnosis and service scans

Constant temperature control unit
1. Press OK and å simultaneously for
approx. 4 s.
"Ü" flashes on the display.
2. Select required function. See the fol-
lowing pages.
1. Select "Serv" 7 with Ú.
2. Confirm with OK.
"OFF" flashes.
3. Confirm with OK.
Note
The system exits the service level auto-
matically after 30 min.
General
Heating circuit 1
Heating circuit 2
Heating circuit 3
DHW
Brief scan
Reset data
Subscriber check
Service PIN LON
Enter Vitocom PIN code
Service reset
Filling
Venting
Max. output
Multi-boiler system
HC1
HC2
HC3
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