Honeywell BCU 460 Technical Information page 40

Function
Program status
In Manual mode, two dots will blink on the display in program status 01– 04 .
* FS = input/output, safety circuit, NFS = input/output, control system.
BCU 460, BCU 465 · Edition 03.16l
DISPLAY
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Fault message (flashing)
EEPROM data change, NFS*
EEPROM data change, FS*
Undervoltage in power pack
Faulty parameterization
Bus module fault
Safety interlock failure
Permanent remote reset
Timing cycle too short
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