How to Troubleshoot & Replace Ge AP3957581 / WR49X10152 Refrigerator Main Control Board

Well for one thing, never buy a GE Profile what a pile of junk. My evaporator inside refrigerator at bottom was freezing up. Replaced Defrost thermostat in freezer compartment and main control board at rear . Also checked Defrost heater that is on bottom of evaporator in freezer section it checked out ok. This is the second main board in six years, lucky this GE Profile side by side was included with my house when I purchased it other wise I will never purchase GE. Kenmore for ever. 

Replaced motherboard. The new motherboard needed to learn my fridge, I believe it is called "fuzzy logic". It took at least 4 days before it began to control the temperature to my set point. Its been working great since for the last several months. 

This was an easy fix as a single woman I have become very handy in repair work around the house. This job was easy! Remove a few screws and unplug the board and plug in the new one. My problem is fixed and I feel great that I didn't need to call a repair man for such a simple job! Thanks 

Main Control Board 

New Control board. 

Switch for a new one