Initial start−up, inspection and maintenance
Burner control unit
Indicators
26
(cont.)
H in a fault state,
H in operation,
red fault indicator C illuminates
constantly
Fault diagnosis:
wait at least 10 s
press reset button B for at
least 3 s
observe the flashing code of the
fault indicator
(see fault code table on page 27)
after every flashing code, a break
of approx. 3 s
reset; for this press reset
button B for between 0.5 and
3 s.
the green indicator A illuminates
constantly
In case of a flashing code, press
reset button B for between 0.5
and 3 s to restart.