&
On a constant temperature control unit:
&
The defaulted hours run or the defaulted interval with clock symbol "u" (sub-
ject to setting)
&
On a weather-compensated control unit:
&
"Service"
Note
Set coding address "24:1" and then coding address "24:0" if a service is carried
out before the service display is shown; the set service parameters for hours
run and interval are then reset to 0.
Press the following keys:
1. c The service scan is active.
2. a/b Scan service messages.
3. d The service display will be
cleared (for a weather-
compensated control unit:
"Acknowledge: Yes",
reconfirm with d).
The red fault display con-
tinues to flash.
Note
An acknowledged service message
can be redisplayed by pressing d
(approx. 3 s).
After a service has been carried out
1. Reset coding address "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.
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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