Viessmann VITODENS 242-F Installation And Service Instructions Manual page 83

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
After the limits specified in coding
addresses "21" and "23" in the "Boiler"
group have been reached, the red fault
indicator flashes and "Service" and
"¸" appear on the programming unit
display.
Acknowledging and resetting service
Press OK to acknowledge a service
message.
Note
An acknowledged service message that
was not reset reappears the following
Monday.
Fitting the cover panel and front panels
■ Fit the cover panel; see position A in
diagram on page 48.
■ Fit the front panels; see page 41.
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.
After a service has been carried out
(resetting service)
1. Press OK and å simultaneously
for approx. 4 s.
2. "Service functions"
3. "Service reset"
Note
The selected service parameters for
hours run and interval restart at 0.
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