Unit installation

38
3. Press the reset button. The operating display will then be
shown again.
Displaying the selected parameter set
This display will be terminated if no key is pressed within 20 s.
Status Service
1.
Simultaneously press keys S and
a
.
Status Service
2.
Press S.
The selected parameter set is dis-
played under "Service".
3.
Simultaneously press keys S and
a
.
The operating display will then be
shown again.
Fault display
The fault display will be activated automatically if the burner control unit switches to
a fault state. The most recent fault will then be displayed under "Service". The illu-
minated segments of the display will flash.
Status Service
A
Fault code of the most recent fault
Status Service
1.
Press a.
The operating phase under which the
fault has occurred, is displayed under
"Service" as long as this key is held
down. (Value from "01" to "21"; see
flow diagram on page 47).
Burner control unit
(cont.)
5692 907 GB