Scanning And Resetting The "Service" Display - Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual

Further details regarding the individual steps
■ 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 upda-
ted).

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-
compensated 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.
Commissioning, inspection, maintenance
(cont.)
Note
During the subscriber check, the display
for the relevant 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 "ý" (sub-
ject to setting) and "¸"
Press OK.
Service the appliance.
Note
An acknowledged service message that
was not reset appears again after
7 days.
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