BCU 370 · Edition 01.19 81
Annex
Input bytes (BCU ➔ master)
Byte 2 Byte 0, Bit 2 = 0 (Status message) Byte 0, Bit 2 = 1 (Fault message)
39 o9 Fault DG
max
during post-purge time
40 A0 Butterfly valve closed position not reached
41 A1 Butterfly valve open position not reached
42 A2 Butterfly valve ignition position not reached
50 10 Too many remote resets
58 bE Bus module error
61 31 CRC error: Parameter
62 32 Undervoltage
63 33 EEProm parameter exceeds limit valvue
65 35 Fault Valve feedback
66 36 Tightness control: V1 leaking
67 37 Tightness control: V2/V3 leaking
80 50 Safety interlock failure
82 52 Permanent remote reset
83 53 Timing cycle too short
85 55 DG
min
oscillating
86 56 Open + Close set simultaneously
99 99 Internal error
100 H0 Switch-on delay time/pause time
104 C1 Controlled air flow
108 H8 Controller enable signal delay time