27
Status Service
A
Fault code of the most recent fault
Status Service
1.
Press
a
.
As long as this key is held down, the
operating phase under which the fault
occurred is displayed under
"Service". (Values "01" to "21"; see
flow diagram on page 35).
2.
Press
b
.
As long as this key is held down, the
additional fault information is dis-
played under "Service".
3.
Press the reset button.
The operating display will be shown
again.
Fault memory
The six most recent faults are saved and can be called up. The order of scans ranges
from the most recent to the earlier fault codes. The fault memory display will be ter-
minated if no key is pressed within 20 s.
Status Service
1.
Press the reset button and
a
simul-
taneously.
The most recent fault will be dis-
played:
"1" will be displayed under "Status".
The fault code is displayed under
"Service".
Burner control unit
Burner control unit MPA 51
(cont.)
5692 488 GB
