ABB 3E07 fault code meaning
ABB / 3E07
Series: ACS860-REG
BU voltage difference
drive
Meaning: A supply voltage difference exists between parallel regenerative rectifier modules.
Possible causes
Source: ACS860 Regenerative Rectifier Control Program Firmware Manual P117
Series: ACS880-DIODE, ACS880-IGBT, ACS880
BU voltage difference
drive
Meaning: There is a supply voltage difference between parallel supply modules.
Possible causes
Source: ACS880 Diode Supply Control Program P177; ACS880 IGBT Supply Control Program Firmware Manual P206; ACS880 Basic Control Program Firmware Manual P484
Series: ACS880-POS
BU voltage difference
drive
Meaning: There is a supply voltage difference between parallel supply modules.
Possible causes
Source: ACS880 Position Control Program P473