ABB D502 fault code meaning
ABB / D502
Series: ACH531, ACQ580
All motor interlocks
drive
Meaning: PFC All motors in the system are interlocked.
Possible causes
Source: ACH531 Firmware Manual P134; ACQ580 Pump Control Program Firmware Manual P190
Series: ACS530
All motor interlocks
drive
Meaning: PFC All motors in the system are interlocked.
Possible causes
Source: ACS530 Firmware Manual P268
Series: ACS580
All motors are interlocked
drive
Meaning: All motors in the PFC system are interlocked.
Possible causes
Source: ACS580 Standard Control Program Firmware Manual P533