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Why autotune option is there.ofcpurse it is to tune motor parameters that is motor inductance and resistance.asking to replace costly motor just 20 year old is surprise. It seems software issue

Dear engineers We have abb acs1000 water cooled drive.its AMC board failed.we fixed new AMC board with old memory card. We were able to solve various errors but we stuck with error aux fan1/2.i removed both trip input at ioec card but error remains. When I tried to upload parameter in keypad...