On the Pic it looks like the Jumper is not closed?
If so, then you can test the Motor with the Poti.
Wich Motor is that, drive Motor or Cutter?
You can remove the Black GND Cable on the botton and put it on the right side next to the White Cable.
The Cable color from Motor and Hallsensors do not fit.
Cable assignment mower motor:
White - MA
Green - MB
Blue - MC
If so, then you can test the Motor with the Poti.
Wich Motor is that, drive Motor or Cutter?
You can remove the Black GND Cable on the botton and put it on the right side next to the White Cable.
The Cable color from Motor and Hallsensors do not fit.
Cable assignment mower motor:
White - MA
Green - MB
Blue - MC