treadmill controller diagnosis

Hi, I’ve come with a problematic treadmill controller board. The board is 17 years old, Sole f63. The issue is that the board goes into fault whenever load is applied. The upper display panel shows an “err” code the second after the motor start, but continues fine until load is applied. And when...

Hello friends Good day for you all I am looking for any ideas to repair my treadmill control board. Will brief all what I have done till now. I found motor winding was burned out so I replaced the motor with used one Now regarding the board I have checked the main parts found IGBT shorted...