Instructing The System User - Viessmann VITODENS 200-W Service Instructions Manual

Further details regarding the individual steps
Carrying out a subscriber check
Communication with the system devices connected to the fault manager is tested
with a subscriber check.
Preconditions:
■ The control unit must be programmed
as fault manager (code "79:1")
■ The LON subscriber number must be
programmed in all control units (see
page 32)
■ The LON subscriber list in the fault
manager must be up to date (see
page 32)
User check
01 : 01
A Consecutive number in the sub-
scriber list
B Subscriber number
Press the following keys:
1. L + d simultaneously for
approx. 2 s.
The subscriber check
has been initiated.

Instructing the system user

The system installer must hand the operating instructions to the system user and
instruct him/her in the operation of the system.
Commissioning, inspection, maintenance
(cont.)
2. a/b for the required sub-
scriber.
3. d
Check is enabled
"Check" flashes until its
completion.
The display and all key
illuminations for the
selected subscriber
flash for approx. 60 s.
4. "Check OK" is displayed during com-
munication between both devices.
or
"Check not OK" is displayed if there
is no communication between both
devices. Check the LON connection.
5. Repeat points 2 and 3 to check further
subscribers.
6. L + d simultaneously for
approx. 1 s.
The subscriber check is
completed.
33