1. Remove the jogger unit. Jogger Unit Removal
  2. The jogger unit control board is under the top cover.
  3. Remove the top cover.
  4. Open the clamps and free the harnesses.
  5. Disconnect the rear end of the board.
  6. Disconnect the front end of the board.
  7. Unfasten the board from the unit.
  8. Remove the board.