GeProfile frig GFE28HMHEES fresh food wont maintain cool

Refrigerator & Freezer Repair
1

Brand: GeProfile
Model Number:GFE28HMHEES
Main Symptom: fresh food not cold enough
What happens & when: The frig will only get down to 36 when set on 34 and frequently goes up to 45… no known noise.

Error Code (if any):
Parts or tests already tried: evap fan replaced
Photos / video link:

2

It would be recommended to check the thermistors in the unit to make sure that they are good. This would be a likely suspect and if the thermistors are good there is a likelihood that there is a problem with the control board reading the thermistors properly.