ABB B686 fault code meaning
ABB / B686
Series: ACH531, ACQ580
Checksum mismatch
drive
Meaning: The calculated checksum of the operating parameters does not match any permitted reference checksum.
Possible causes
Source: ACH531 Firmware Manual P134; ACQ580 Pump Control Program Firmware Manual P190
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 P397; ACS580 Standard Control Program Firmware Manual P522
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 P319
Series: ACS280
Checksum mismatch
drive
Meaning: 96.54 Checksum action. The calculated parameter checksum does not match any enabled reference checksum.
Possible causes
Source: ACS280 Firmware Manual P339
Series: ACS380
Checksum mismatch
drive
Meaning: 96.54 The parameter checksum calculated by the checksum operation does not match any of the permitted reference value checksums.
Possible causes
Source: ACS380 Machinery Control Program Firmware Manual P435
Series: ACS530
Checksum mismatch
drive
Meaning: The calculated parameter checksum does not match any of the applied reference checksum values.
Possible causes
Source: ACS530 Firmware Manual P267
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 P307
Series: ACS880-MARINE
Checksum mismatch
drive
Meaning: The calculated operating parameter checksum does not match any enabled reference checksum.
Possible causes
Source: ACS880 Light Marine P322
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 P453
Series: ACS880-WINCH
Checksum mismatch
drive
Meaning: 31.22 STO indicates that the parameter checksum calculated for run/stop does not match any permitted reference checksum.
Possible causes
Source: ACS880 Winch Control Program P560