GE Profile Refrigerator Water Ice Dispensor & Light Not Working

GE Profile dispensor began to have problems dispensing water 5 months ago. It would work intermittently or when it felt like it. A month later the water gave out entirely however it still made ice and still dispensed ice/crushed ice. A month later the light began to flicker when dispensing ice. The light gave out entirely soon after. A month and a half ago the ice no longer was being dispensed. It was still being made but dispensor and interface were no longer responsive and not lighting up when selecting from ice or water. I ordered the interface display controller part below specific to the model number (AP3202258 - WR55X10298) and replaced it and had no response. I ran a continuity check on the old and new panels and found no differences between the two suggesting the old one is ok. I also battery tested the light bulbs and they work and are not blown. I would like to find out where to go from here.

Placed on: 1/4/2011

Items: 1 of AP3202258 (WR55X10298) - Interface disp asm bk

It sounds like you are dealing with a bad main board on this unit. The main board is the controler for the dispenser board. The part number you will need is
[part]AP4436216[/part]

Also here is a diagram of where the board is located on this unit.
Sealed system & mother board replacement parts for General Electric PSS26LSRDSS Refrigerator | AppliancePartsPros.com