The water/ice dispenser stopped working. It was working perfectly and without notice it stopped working. I get no water/ice and the light does not work. I also noticed that when you select anything on the display screen the light dims or goes out. I'm not sure what is causing this issue. I'm assuming its either the motherboard or the interface display assembly. If its the interface display assembly, how hard is it to replace? Do I have to take the door completely apart? I also read that the wiring under the door could be the problem. Any advice would be greatly appreciated. Thank you.