ABB D409 fault code meaning
ABB / D409
Series: ACQ580
Maximum outlet pressure
drive
Meaning: The measured outlet pressure is above the defined fault limit.
Possible causes
Source: ACQ580 Pump Control Program Firmware Manual P202
Series: ACS530
Maximum outlet pressure
drive
Meaning: Maximum pressure protection: The measured outlet pressure is above the defined fault limit.
Possible causes
Source: ACS530 Firmware Manual P279