Viessmann VITOLADENS 300-C Service Instructions Manual page 37

Further details regarding the individual steps
3. Press d, for weather-compen-
sated control units also confirm the
display "Acknowledge: Yes" with
d.
The "Service" display extinguishes
and the red fault indicator con-
tinues to flash.
Note
An acknowledged maintenance
message can be redisplayed by
pressing d (approx. 3 s).
After a service has been carried out
1. Reset code "24:1" to "24:0".
The red fault indicator extin-
guishes.
Note
If coding address "24" is not reset,
the service message re-appears
after 7 days.
Commissioning, inspection, maintenance
(cont.)
2. Reset the burner hours run, burner
starts and consumption, if required
Press the following keys:
c Scanning is active.
a/b for the selected value.
e the selected value will be
set to "0".
a/b for further scans.
d Scanning is completed.
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