a. Turn machine off and unplug the main power cable.
b. Follow 1.2- Touch Screen, USB Port & Power-On Button to remove the 2 covers and locate the interlock & Sensor of top door. Figure 1.3-1
c. Cut the cable ties and unplug the 2 cable connectors of interlock and sensor.
d. The sensor is locked by 2 nuts, use 5.5mm socket driver to remove them and take the sensor off.
e. Remove 4 screws with 2.5mm Allen-key and take interlock off.
f. Fix the cables with cable ties after the replacement.