ABB 2E05 fault code meaning
ABB / 2E05
Series: ACS860-REG
BU current difference
drive
Meaning: A phase current difference exists between parallel modules.
Possible causes
Source: ACS860 Regenerative Rectifier Control Program Firmware Manual P116
Series: ACS880
BU current difference
drive
Meaning: The shunt (BU) detected a current difference.
Possible causes
Source: ACS880 Primary Control Program Firmware Manual P483
Series: ACS880-BRAKE
BU current difference
drive
Meaning: Phase current imbalance between parallel modules.
Possible causes
Source: ACS880 Braking Control Program Firmware Manual P128
Series: ACS880-DCDC, ACS880-DIODE
BU current difference
drive
Meaning: Phase current difference between parallel modules.
Possible causes
Source: ACS880 DC _ DC Drive Control Program Firmware Manual P195; ACS880 Diode Supply Control Program P176
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 P205
Series: ACS880-POS
BU current difference
drive
Meaning: The shunt (BU) detected a current difference.
Possible causes
Source: ACS880 Position Control Program P473