BCU 370 · Edition 01.19 37
Function
3.6 Fault message (blinking)
Fault message (blinking) Display Fault lock-out Safety shut-down Warning signal
Flame simulation
01
Start-up without flame signal
04
Flame failure during 1
st
flame proving period
05
Flame failure during 2
nd
safety time
06
Flame failure during 2
nd
flame proving period
07
Flame failure during operation
08
Too many remote resets
10
Safety interlock failure
50
Permanent remote reset
52
Timing cycle too short
53
DG
min.
oscillating
55
Bus module error
E
Bus fault
P
Open + Close set simultaneously
56
Fault Valve feedback
35
Tightness control: V1 leaking
36
Tightness control: V2/V3 leaking
37
Fault Air monitor break contact check
0
Fault Air monitor make contact check
1
Fault Air supply during pre-purge
P
Fault Air supply in program step X
X
Fault DG
max.
in program step X
X
Fault DG
min.
in program step X
X
Butterfly valve closed position not reached
A0
Butterfly valve open position not reached
A1
Butterfly valve ignition position not reached
A2
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