Hi and welcome to FixYa. I am Kelly
Your symtom comment that it is barely getting cold leads me to think the problem is in the automatic defrosting of the refrigerator.
Your unit has a mechanical defrost timer. It is item 6 of this link:
http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5168518&diagram_id=1349648#d1349648
If you look at the panel all you will see of the defrost timer is 2 raised / tapered tabs that would only allow you to rotate those tabs in one direction.
Use a flat bladed screwdriver with a good blade or a rather wide flat ended kitchen utensil to rotate the defrost time until the compressor shuts off. That is the beginning of the defrost cycle. Leave the unit sit for about 1 hour and see if it performed the defrost cycle and restarted the compressor.
If the compressor did not restart.... there are other components of the defrost circuit that have failed.
Those components can be any one of the following:
1. The defrost timer itself.
2. The 60 deg bi-metal thermostat
3. The defrost heating element
4. A wiring problem to any of the above
If the unit did not defrost at all.... what you can do is perform a manual defrost by unplugging the unit, emptying the contents of the freezeer section and placing a fan blowing into the freezer section for just over 2 hours. This WILL make a WATER MESS so be ready to tend to the drips with rags and a mop.
After that 2 hour manual defrost reload the freezer and plug the unit back in. The temps should return to normal in about 4 hours.
If the manual defrosting corrects your no ice and warm fresh food problem then you for sure have an automatic defrosting problem.
One thing to note is.... if the evaporator fan in the freezer compartment is not running you will have a warm fresh food compartment and no ice. If the fan is NOT running and the compressor IS running the evaporator fan has failed.
The wiring diagram for your Refrigerator can be found here:
http://www.appliancepartspros.com/partsearch/frame_diagram.aspx?diagram_id=1326763&pkw_=basket&model_id=5168518&NewWindow=1
Thanks for using FixYa,
Kelly
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