Shutting Down The System - Viessmann VITOLIGNO 300-P Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
Carrying out a subscriber check
In conjunction with LON.
Communication with the system devices connected to the fault manager is tested by
means of a subscriber check.
Requirements:
■ 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 44).
■ The LON subscriber list in the fault
manager must be up to date (see
page 45).
Press the following keys:
1. d + MENU simultaneously for
2. |/~
3. d
4. |/~
5. d

Shutting down the system

Operating instructions
46
approx. 4 s.
The "Service" menu
is displayed.
for "User check".
to confirm.
for "Activating a
check".
to confirm.
(cont.)
6. |/~
7. d
8. "User check" "OK" is displayed
during communication between both
devices.
"User check" "Not OK" is dis-
played if there is no communication
between both devices. Check the
LON connection and codes.
9. Repeat points 6 and 7 to check fur-
ther subscribers.
10. Press g repeatedly until the stand-
ard display is shown.
The subscriber check is completed.
for the required sub-
scriber.
The subscriber num-
ber flashes until the
check has been com-
pleted. The display
and all key illumina-
tions for the selected
subscriber flash for
approx. 60 s.