ABB A686 fault code meaning
ABB / A686
Series: ACH531, ACQ531, ACQ580, ACS880
Checksum mismatch
drive
Meaning: The calculated checksum of the operating parameters does not match any permitted reference checksum.
Possible causes
Source: ACH531 Firmware Manual P128; ACQ531 Firmware Manual P110; ACQ580 Pump Control Program Firmware Manual P183; ACS880 Basic Control Program Firmware Manual P456
Series: ACM510-V, ACS580
Checksum mismatch
drive
Meaning: Parameter checksum mismatch between 96.68 Actual checksum A and 96.71 Certified checksum A, and/or parameter checksum mismatch between 96.69 Actual checksum B and 96.72 Certified checksum B.
Possible causes
Source: ACM510-01V_04V Drive Firmware Manual P400; ACS580 Standard Control Program Firmware Manual P526
Series: ACS180
Checksum mismatch
drive
Meaning: The parameter checksum calculated by the checksum operation does not match any permitted reference checksum.
Possible causes
Source: ACS180 Machinery Control Program Firmware Manual P315
Series: ACS280
Checksum mismatch
drive
Meaning: The calculated parameter checksum does not match any enabled reference checksum.
Possible causes
Source: ACS280 Firmware Manual P333
Series: ACS380
Checksum mismatch
drive
Meaning: The parameter checksum calculated by the AND operation does not match any permitted reference checksum.
Possible causes
Source: ACS380 Machinery Control Program Firmware Manual P429
Series: ACS530
Checksum mismatch
drive
Meaning: The calculated parameter checksum does not match any valid reference checksum.
Possible causes
Source: ACS530 Firmware Manual P261
Series: ACS580MV
Checksum mismatch
drive
Meaning: The calculated parameter checksum does not match the enabled reference checksum.
Possible causes
Source: ACS580MV Firmware Manual P314
Series: ACS860
Checksum mismatch
drive
Meaning: The calculated parameter checksum does not match any enabled reference checksum.
Possible causes
Source: ACS860 Basic Control Program Firmware Manual P301
Series: ACS880-MARINE
Checksum mismatch
drive
Meaning: The calculated parameter checksum does not match any enabled reference checksum.
Possible causes
Source: ACS880 Light Marine P317
Series: ACS880-POS
Checksum mismatch
drive
Meaning: The parameter checksum calculated by the operation does not match any permitted reference checksum.
Possible causes
Source: ACS880 Position Control Program P444
Series: ACS880-WINCH
Checksum mismatch
drive
Meaning: The parameter checksum calculated by the operation does not match any of the permitted reference checksums.
Possible causes
Source: ACS880 Winch Control Program P551