Honeywell Krom Schroder BCU 580 Technical Information page 53

Fault signalling
Flame failure during flame proving period 1
Flame failure during burner 1 operation
Flame failure during safety time 2
Flame failure during flame proving period 2
Flame failure during burner 2 operation
BCU 580 · Edition 11.15l
DISPLAY
Fault message (blinking)
Air monitor "no flow" state
Low air pressure
Low air pressure
Air flow during pre-purge
Waiting for connection
Invalid address
Invalid configuration
Invalid network name
Controller in STOP position
Burner 1 flame simulation
No flame after safety time 1
Burner 2 flame simulation
Description
0 Fault Air monitor "no flow" state check
1 Fault Air monitor operating check
2 3
, ,
4 5
, ,
Low air pressure during program step 2, 3, 4, 5, 6, 7 or 8
6 7
, ,
8
P Air flow failure during pre-purge
0
BCU waiting for connection to controller
1
Invalid or incorrect address set on bus module
2
The bus module has received an incorrect configuration from the controller
3 Invalid network name or no address allocated in the network name
4
Controller in STOP position
A 1
Burner 1 flame simulation while air valve open
A 2
No flame during safety time 1 while air valve open
A 3
Flame failure during flame proving period 1 while air valve open
A4
Flame failure during burner 1 operation while air valve open
A 5
Burner 2 flame simulation while air valve open
A 6 No flame during safety time 2 while air valve open
A 7
Flame failure during flame proving period 2 while air valve open
A8
Flame failure during burner 2 operation while air valve open
53