Table of Contents
Function
3 .3 Program status and fault messages
During operation, the 7-segment display shows the pro-
gram status. In the event of a fault, the BCU halts the
program run, the display blinks and it then displays the
cause of the fault. The burner control unit can be reset
using the Reset button or the remote reset.
Program status
DISPLAY
Waiting time/Pause time
Safety time on start-up
Operation
BCU 440 · Edition 01.17
Fault message (blinking)
01
Flame simulation
02
Start-up without flame signal
04
Flame failure during operation
10
Too many remote resets
50
Fuse F1 defective
52
Permanent remote reset
12
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