Viessmann Vitocrossal 300 CA3 2.5 Installation And Service Instructions Manual page 87

Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
Integrating the Control Unit into the LON
(continued)
Carrying out a LON participant check
The participant check is used to test communication with
the system devices connected to the fault manager.
Preconditions:
H The control unit must be programmed as fault manager
(coding "79:1" in the "General" group).
H The LON participant no. must be programmed in all
control units.
H The LON participant list in the fault manager must be
up to date.
From the home screen tap the following buttons:
1. "Menu"
2. "Service"
3. Enter "viservice" password.
4. "Service functions"
5. "LON participant check"
The list of all connected LON participants appears.
6. Select participant and start participant check with "OK".
"Participant ..." appears on the display" Check running".
Note: During the participant check, the display for the
relevant participant flashes for approx. 1 min. and
displays "Wink".
H Successfully tested participants are designated with "OK".
H Unsuccessfully tested participants are designated with
"Subscribe ... Check not OK".
Update the participant list with "New list" in order to
carry out another participant check.
Service
87