ABB 3293 fault code meaning
ABB / 3293
Series: ACH531, ACQ531
DC imbalance fault
drive
Meaning: DC imbalance in the three-level device.
Possible causes
Source: ACH531 Firmware Manual P136; ACQ531 Firmware Manual P118
Series: ACS530
DC imbalance fault
drive
Meaning: DC imbalance between 3 levels.
Possible causes
Source: ACS530 Firmware Manual P271