Diagnosis And Service Scans; Calling Up The Service Menu; Diagnosis - Viessmann Vitocrossal 300 Service Instructions For Contractors

Calling up the service menu

Press OK and å simultaneously for
approx. 4 s.
Service menu overview
Service

Diagnosis

Actuator test
Coding level 1
Coding level 2
Fault history
Service functions
Terminate service?
Diagnosis
Scanning operating data
Operating data can be scanned in six areas. See "Diagnosis" in the service menu
overview.
Operating data on heating circuits with mixers and solar can only be scanned if the
components are installed in the system.
For further information on operating data, see chapter "Brief scan".
Note
"- - -" appears on the display if a sensor that has been scanned is faulty.
Calling up operating data
1. Press OK and å simultaneously
for approx. 4 s.
Resetting operating data
Saved operating data (e.g. hours run) can be reset to 0.

Diagnosis and service scans

General
Heating circuit 1 HC1
Heating circuit 2 HC2
Heating circuit 3 HC3
Domestic hot water
Solar
Brief scan
Reset data
Subscriber check
Service PIN
Service reset
Max. fan speed
2. "Diagnosis"
3. Select required group, e.g. "Gen-
eral".
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