ABB D50A fault code meaning
ABB / D50A
Series: ACQ580, ACS530
Dry run
drive
Meaning: 82.20 Dry run protection. Dry run protection has been activated.
Possible causes
Source: ACQ580 Pump Control Program Firmware Manual P191; ACS530 Firmware Manual P268
Series: ACS580
Dry pump run
drive
Meaning: 82.20 Pump dry-run protection. The pump dry-run protection program is active.
Possible causes
Source: ACS580 Standard Control Program Firmware Manual P532