How to reinstall the control panel relay board, LCD assembly and membrane switch panel
(1) Clean the surface of the right side cover with alcohol where the membrane switch panel was attached.
(2) Reattach the LCD assembly to the right side cover.
(3) Attach the membrane switch panel to the right side cover so that it fits around the LCD window.
(4) Reattach the other parts in the reverse order in which they were detached.