ABB D401 fault code meaning
ABB / D401
Series: ACH531, ACQ531
Maximum cleaning cycle count fault
drive
Meaning: The maximum number of cleaning cycles within the defined time has been reached.
Possible causes
Source: ACH531 Firmware Manual P143; ACQ531 Firmware Manual P125
Series: ACQ580
Maximum cleaning cycle count fault
drive
Meaning: The maximum number of cleaning cycles within the defined time has been reached.
Possible causes
Source: ACQ580 Pump Control Program Firmware Manual P201
Series: ACS530
Maximum cleaning fault
drive
Meaning: Pump cleaning cannot be performed automatically. Manual cleaning is required.
Possible causes
Source: ACS530 Firmware Manual P279
Series: ACS580
Cleaning upper limit fault
drive
Meaning: The number of fault-triggered cleaning cycles has reached the upper limit within the defined time.
Possible causes
Source: ACS580 Standard Control Program Firmware Manual P546