For reinit tmc2130spi after psu return power to tmc you can Insert in top of startup g-code: ;poweron M80 ;M502 - factory reset to enable-steppers M502 ;M501 - Restore Settings to enable steppers M501 or another way: M80 M906 ... (from M501) M569 ... (from M501 if exist) M913 ... (from M501 if exist) M914 ... (from M501 if exist) it solved the problem in my case. 2DEV: For tmc2130spi reby Evg33 - Firmware - Marlin