Scanning And Resetting The "Service" Display - Viessmann Vitodens 200-W Series Installation And Service Instructions Manual

Connecting the control unit to the LON
Boiler control unit
Viessmann system number,
Code "98:1".
LON subscriber fault monitor-
ing,
Code "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.
Preconditions:
The control unit must be programmed as fault man-
■
ager (code "79:1" in the "General" group).
The LON subscriber number must be programmed in
■
all control units.
The LON subscriber list in the fault manager must be
■
up to date.
Service menu:
1. Press OK and simultaneously for approx. 4 s.
2. "Service functions"

Scanning and resetting the "Service" display

The red fault indicator flashes when the limits set in
coding addresses "21" and "23" have been reached.
(Coding address in group "Boiler" (weather-compen-
sated control unit) or group 2 (constant temperature
control unit).)
Weather-compensated control unit
Display
"Service" and " "
¸
Acknowledging a service
Press OK.
Service the appliance.
Note
An acknowledged service message that was not reset
appears again the following Monday.
After the service has been carried out: Reset the codes
Service menu:
1. Press OK and simultaneously for approx. 4 s.
å
2. "Service functions"
3. "Service reset"
Note
The selected service parameters for hours run and in-
terval restart at "0".
Vitotronic 200-H
Viessmann system number,
Code "98:1".
LON subscriber fault moni-
toring,
Code "9C:20".
Commissioning, inspection, maintenance
(cont.)
Vitotronic 200-H
Viessmann system number,
Code "98:1".
LON subscriber fault moni-
toring,
Code "9C:20".
3. "Subscriber check"
4. Select subscriber (e.g. subscriber 10).
5. Start the subscriber check with "OK".
Successfully tested subscribers are designated with
■
"OK".
Unsuccessfully tested subscribers are designated
■
with "Not OK".
Note
To carry out a new subscriber check, create a new
subscriber list with "Delete list?" (subscriber list is
updated).
Note
During the subscriber check, the display for the rele-
vant subscriber shows the subscriber no. and "Wink"
for approx. 1 min.
Constant temperature control unit
The specified hours run or the specified interval with
calendar symbol " " (subject to setting) and "
ý
Press OK.
Service the appliance.
Note
An acknowledged service message that was not reset
appears again after 7 days.
Reset code "24:1" in group 2 to "24:0".
Note
The selected service parameters for hours run and in-
terval restart at "0".
Vitocom
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¸
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