ABB AE31 fault code meaning
ABB / AE31
Series: ACS880-BRAKE
FB B communication (FB Bcommunication)
drive
Meaning: Cyclic communication signal loss between the braking unit and bus adapter module B, or between PLC and bus adapter module B.
Possible causes
Source: ACS880 Braking Control Program Firmware Manual P125
Series: ACS880-DCDC
FB B communication
drive
Meaning: Cyclic communication signal loss between the DC/DC converter unit and fieldbus adapter module B, or between PLC and fieldbus adapter module B.
Possible causes
Source: ACS880 DC _ DC Drive Control Program Firmware Manual P190
Series: ACS880-DIODE
FB B communication
drive
Meaning: 150.32 FBA B Communication loss function. Cyclic communication loss between the supply unit and fieldbus adapter module B, or between PLC and fieldbus adapter module B.
Possible causes
Source: ACS880 Diode Supply Control Program P169