Calling Up And Resetting Service Messages - Viessmann VITODENS 200-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Connecting the control unit to the LON
Boiler control unit
Control unit transmits the
time.
Parameter "7b:1"
Control unit transmits outside
temperature.
Set parameter "97:2".
Viessmann system number.
Parameter "98:1"
LON subscriber fault monitor-
ing.
Parameter "9C:20"
Carrying out a LON subscriber check
The subscriber check is used to test communication
with the system devices connected to the fault man-
ager.
Requirements:
■ The control unit must be activated as fault manager
(parameter "79:1" in the "General" group).
■ The LON subscriber number must be set in all con-
trol units.
The LON subscriber list in the fault manager must be
■
up to date.
Tap the following buttons:
1. "Menu" or
2. "Service"
3. Enter the password "viservice".
4. "Service functions"

Calling up and resetting service messages

Service indicator
Service limits can be set in conjunction with the com-
missioning assistant or via parameters "21" and "23" in
the "Boiler" group.
Once these values have been reached, a service mes-
sage appears on the display.
Tap the following buttons:
1. "Confirm"/
flashes in the footer.
52
Vitotronic 200-H
Control unit receives the
time.
Set parameter "81:3".
Control unit receives outside
temperature.
Set parameter "97:1".
Viessmann system number.
Parameter "98:1"
LON subscriber fault moni-
toring.
Parameter "9C:20"
(cont.)
Vitotronic 200-H
Control unit receives the
time.
Set parameter "81:3".
Control unit receives outside
temperature.
Set parameter "97:1".
Viessmann system number.
Parameter "98:1"
LON subscriber fault moni-
toring.
Parameter "9C:20"
5. "LON subscriber check"
The list of all connected LON subscribers appears.
6. Select subscriber and confirm with "OK"/
The subscriber check for the selected subscriber is
initiated.
■ If the subscriber check was successful, "Check OK"
is displayed.
■ If the subscriber check was unsuccessful, "Check
not OK" is displayed.
Note
To perform another subscriber check:
Create a new list of subscribers with "New list"/ .
The subscriber list is updated.
Note
During the subscriber check, the display of the relevant
subscriber shows the subscriber no. and "Wink" for
approx. 1 min.
2.
Note
If your heating system has several fault messages
simultaneously, the following will be displayed after
you tap :
3. "Service, messages"
The service messages appear yellow in a list.
After maintenance has been carried out
Tap the following buttons:
1. "Menu" or " "
Vitocom
Device receives the
time.
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