Honeywell Krom Schroder BCU 580 - Page 53

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