ABB D40A fault code meaning
ABB / D40A
Series: ACQ580
Minimum inlet pressure
drive
Meaning: The measured inlet pressure is below the defined fault level.
Possible causes
Source: ACQ580 Pump Control Program Firmware Manual P202
Series: ACS530
Minimum inlet pressure
drive
Meaning: Minimum pressure protection: The measured inlet pressure is below the defined fault level.
Possible causes
Source: ACS530 Firmware Manual P280