1. Open the controller box door. (Opening the Controller Box)
  2. Remove the rear cover (x7). (Rear Cover)
  3. Remove the rear vertical stay (x3).
  4. The EDRB is near the center of the back of the machine.
  5. At the upper right corner [A] of the EDRB [B], free the harness [x2].
  6. Disconnect the EDRB (x7, x12).
  7. Disconnect the EDRB bracket [A] (x3).
  8. Remove the EDRB bracket (with PCB attached).
  9. Remove the board from the bracket (x3).