ABB D407 fault code meaning
ABB / D407
Series: ACQ580
Minimum flow protection
drive
Meaning: The actual flow is below the defined fault level.
Possible causes
Source: ACQ580 Pump Control Program Firmware Manual P202
Series: ACS530
Minimum flow protection
drive
Meaning: Flow protection: The actual flow is below the defined fault level.
Possible causes
Source: ACS530 Firmware Manual P279