Nordson ProBlue 1028303 Instruction Sheet page 18

7.
Detach the electrical enclosure door by removing
the four M5 screws and matching washers.
8.
Detach the operator's panel from both
hinges by removing the four locknuts.
9.
Assemble the new operator's panel to the
hinges, and then re-attach the electrical enclosure
door.
10.
Reinstall the CPU board by reversing steps 3 through 6.
11.
Restore electrical power to the melter, and then
switch the melter on. Verify that the melter starts normally.