Honeywell BCU 460 - Page 63

BCU 460, BCU 465 · Edition 11.19 63
Fault signalling
Fault message (blinking)
DISPLAY
Description
Low air pressure
(display E d2, E d3, E d4, E d5, E d6, E d7 or E d8)
E 2
to
E 8
No input signal from pressure switch or failure in air supply
during program step2, 3, 4, 5, 6, 7 or 8
Air flow during pre-purge
E 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
E A1
Burner 1 flame simulation while air actuator is open
No flame after safety time 1
E A2
No flame during safety time 1 while air actuator is open
Flame failure during flame proving period 1
E A3
Flame failure during flame proving period1 while air actuator is
open
Flame failure during burner 1 operation
E A4
Flame failure during burner 1 operation while air actuator is open