ABB AE05 fault code meaning
ABB / AE05
Series: ACS880
BU current difference
drive
Meaning: The shunt (BU) detected a current difference.
Possible causes
Source: ACS880 Basic Control Program Firmware Manual P481
Series: ACS880-IGBT
BU current difference
drive
Meaning: The branching unit (BU) detected a current difference.
Possible causes
Source: ACS880 IGBT Supply Control Program Firmware Manual P197
Series: ACS880-POS
BU current difference
drive
Meaning: The shunt (BU) detected a current difference.
Possible causes
Source: ACS880 Position Control Program P470