Cause : FPGA version incompatible comes when firmware and FPGA versions are incompatible. This means there's a mismatch between the software (firmware) and hardware logic (FPGA) versions running within the drive.

The fault code 6181 in your ABB ACS560 drive indicates a firmware and FPGA version incompatibility. This means there's a mismatch between the software (firmware) and the hardware logic (FPGA) versions within the drive.

• Reboot the control unit (using parameter 96.08 Control board boot) or by cycling power.