Viessmann VITOTRONIC 300 Installation And Service Instructions Manual page 45

Vitotronic 300, GW5B & MW1B Installation and Service
Connecting the Control Unit to the LON
(continued)
Carrying out a LON participant check at the Vitotronic
300-K
Communication with the system devices connected to the
fault manager is tested by means of a participant check.
Preconditions:
H The control unit must be programmed as fault manager
(code "79:1").
H The LON participant no. must be programmed in all
control units (coding address "77").
The LON participant list in the fault manager must be
up to date.
Carrying out the participant check:
1. Press OK and simultaneously for approx. 4 sec.
2. "Service functions"
3. "Participant check"
4. Select participant (e.g. participant 10).
The participant check for the selected participant is
initiated.
H Successfully tested participants are designated with
"OK".
H Unsuccessfully tested participants are designated
with "Not OK".
Note: To carry out a new participant check, create a new
participant list with "Delete list?" (participant list is
updated).
Note: H Vitotronic 300, GW5B:
During the participant check, the display for the
relevant participant flashes for approx. 1 min.
H Vitotronic 200-H:
During the participant check, the display for the
relevant participant shows the participant no.
and "Wink" for approx. 1 min.
Commissioning
45