Diagnosis And Service Service Menu; Scans ■ Calling Up The Service Menu; Exiting The Service Menu; Diagnosis - Viessmann Vitodens 242-F Installation And Service Instructions Manual

Service menu
Calling up the service menu
1. Press OK and simultaneously for approx. 4 s.
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2. Select required menu. See following diagram.

Exiting the service menu

1. Select "Terminate service?".
2. Select "Yes".
3. Confirm with OK.
Service menu overview
Service

Diagnosis

Actuator test
Coding level 1
Coding level 2
Fault history
Service functions
Terminate service?
Fig. 61
Note
Do not adjust menu item "Multi-boiler system".
This menu point changes the control unit to a constant
temperature control unit in a multi-boiler system.
Diagnosis

Calling up operating data

Operating data can be called up in six areas. See
"Diagnosis" in the service menu overview.
Operating data on heating circuits with mixer and solar
can only be called up if the 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
1. Press OK and simultaneously for approx. 4 s.
å
Note
The system exits the service level automatically after
30 min.
General
Heating circuit 1 HC1
Heating circuit 2 HC2
Heating circuit 3 HC3
DHW
Solar
Brief scan
Reset data
Subscriber check
Service PIN
Enter Vitocom PIN code
Service reset
Filling
Venting
Max. output
Multi-boiler system
2. "Diagnosis"
3. 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 temp" is reset to the
actual value.
1. Press OK and
2. "Diagnosis"
3. "Reset data"
Diagnosis and service scans
simultaneously for approx. 4 s.
å
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