Burner control unit
Initial start-up, inspection, maintenance
(cont.)
2. Press S to scan the penultimate to
the sixth from last fault.
Display under
"Status"
The relevant fault code is displayed
under "Service".
3. Press S.
Then the operating display will be
shown again.
Fault
1
most recent fault
.
.
.
.
.
.
6
sixth from last
fault
39