Viessmann Vitotronic 200 Installation And Service Instructions Manual page 49

Integrating a control unit into the LON
Carrying out a subscriber check
In conjunction with LON.
Communication with the system devices connected to the fault manager is
tested with a subscriber check.
Precondition:
The control unit must be pro-
grammed as fault manager (code
"79:1")
The LON subscriber number must
be programmed in all control units
(see page 47)
The LON subscriber list in the fault
manager must be up to date (see
page 48)
Press the following keys:
1. L + d simultaneously for
approx. 2 s.
The subscriber check
has been initiated.
A Consecutive number
in the subscriber list
B Subscriber number
(cont.)
2. a/b for the required subscri-
ber.
3. d Check is enabled.
"Check" flashes until its
completion. The display
and all key illuminations
for the selected subscri-
ber flash for approx. 60 s.
4. "Check OK" is displayed during
communication between both
devices.
"Check not OK" is displayed if
there is no communication
between both devices. Check the
LON connection and encoding.
5. Repeat points 2 and 3 to check
further subscribers.
6. L + d simultaneously for
approx. 1 s.
The subscriber check is
completed.
Commissioning
49