Fault Message (Blinking) - Honeywell BCU 370 Technical Information

Function

3 .6 Fault message (blinking)

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