Respect,
I pleased you for help.
I have mashine Sachman TRT 314,the error which appears is GEAR CHANGE S1,I will send video to see my problem.When spindle rotate across 1500rpm then I havent got a problem with optio M19,Problem is when is less of 1500 rpm then is a problem like on video.If someone know how to help me please let me know.
Thank you