Electrolux refrigerator Model EI32AR65JS1 not cooling

Brand:Electrolux
Model Number:EI32AR65JS1
Main Symptom:Unit does not cool properly.
What happens & when:continuously

Error Code (if any):
Parts or tests already tried: vacuumed the dust and debris buildup on the network under the refrigerator .

This unit is a refrigerator only appliance
Photos / video link:

You will want to check the thermistor that is located behind the rear wall on the inside of the refrigerator. Also, check to make sure that there is not a defrost issue or an issue with the evaporator fan not running.