ABB 3291 fault code meaning
ABB / 3291
Series: ACH531, ACQ531
DC voltage difference
drive
Meaning: DC voltage difference between parallel inverter modules.
Possible causes
Source: ACH531 Firmware Manual P136; ACQ531 Firmware Manual P118
Series: ACS530
DC voltage difference
drive
Meaning: DC voltage difference between parallel inverter modules.
Possible causes
Source: ACS530 Firmware Manual P271
Series: ACS860
BU DC circuit voltage difference
drive
Meaning: The DC voltages of the inverter modules connected in parallel are unequal.
Possible causes
Source: ACS860 Basic Control Program Firmware Manual P309
Series: ACS880
BU DC link difference
drive
Meaning: The DC voltages of the inverter modules connected in parallel are unequal.
Possible causes
Source: ACS880 Basic Control Program Firmware Manual P469
Series: ACS880-M04
BU Poor DC circuit
drive
Meaning: The DC voltages of the inverter modules connected in parallel are unequal.
Possible causes
Source: ACS880-M04 Machinery Control Program Firmware Manual P431
Series: ACS880-MARINE
BU DC link difference
drive
Meaning: The DC voltages of the inverter modules connected in parallel are unequal.
Possible causes
Source: ACS880 Light Marine P324
Series: ACS880-POS, ACS880-WINCH
BU DC link difference
drive
Meaning: A DC voltage difference has occurred between parallel inverter modules.
Possible causes
Source: ACS880 Position Control Program P457; ACS880 Winch Control Program P563