Honeywell Krom Schroder BCU 580 Technical Information page 52

Fault signalling
Pressure switch/gas valve wiring
Waiting for ignition position (LDS)
Wiring for multi-flame control
Minimum capacity not reached
Maximum capacity not reached
Ignition capacity not reached
Communication with bus module
BCU 580 · Edition 11.15l
DISPLAY
Fault message (blinking)
Inlet valve(s) leaking
Outlet valve(s) leaking
Gas valve wiring
Safety interlock failure
Permanent remote reset
Timing cycle too short
Internal error
Internal error
Internal error
Internal error
Internal error
Internal error
Internal error
emBoss
Parameter chip card (PCC)
POC valve open
POC valve closed
Description
40
Leak found on inlet valve
41
Leak found on outlet valve
44
45
Reversed valve connection
51
52
Remote reset input activated > 25 s
53
Minimum timing cycle not observed
54
Faulty feedback signal of the control element position for ignition capacity
56
Faulty wiring for multi-flame control
80 Flame amplifier error/device error
89
Error in processing internal data
94
Error at digital inputs
95
Error at digital outputs
96
Error when checking the SFR
97
Error when reading the EEProm
98
Error when writing to the EEProm
99 Shut-down without application error
A
Position for minimum capacity has not been reached after 255 s
A
Position for maximum capacity has not been reached after 255 s
A
Position for ignition capacity has not been reached after 255 s
E
Bus module fault
Incorrect or defective PCC
1
Valve not closed
8 Valve not open
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52