ABB 7A9A fault code meaning
ABB / 7A9A
Series: ACH531, ACQ531
FSxUndefined fault
drive
Meaning: The fault has not yet been defined internally in the drive. FSx Undefined fault.
Possible causes
Source: ACH531 Firmware Manual P142; ACQ531 Firmware Manual P123
Series: ACS530
FSx Unknown fault
drive
Meaning: Unknown fault FSx not defined in the drive.
Possible causes
Source: ACS530 Firmware Manual P277