Program Status And Fault Messages - Honeywell BCU 460 Technical Information

Function

3 .6 Program status and fault messages

Program status
BCU switched off
Start-up position/Standby
Purge
Waiting time/Pause time
Safety time on start-up
Flame proving period
Normal operation
Air valve
Pre-ventilation
Post-ventilation
Cooling
POC (proof-of-closure)
POC (proof-of-closure)
POC (proof-of-closure)
High temperature operation
▼
BCU 460, BCU 465 · Edition 03.16l
DISPLAY
– –
00
P0
1
2
3
Flame failure during flame proving period
4
Flame failure during operation
10
A
A1
A0
A0
0 Air pressure switch "no flow" state
P
0
Fault Position indicator during start-up
1
X Fault Position indicator in position X
X
. .
P
Fault message (flashing)
Flame simulation
Start-up without flame signal
Too many remote resets
No air flow during purge
Valve not closed
No air flow in position X
Bus fault
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