Bill for Model Number ZIS420NMC Have cleaned condensing coil, replaced compressor,defrost sensor checked drain pan heater,cleaned drain line tested defrost heater refrigerator has mad ice all thru this but it will work for a few weeks then freezer temperature will go up to 10 degrees and refrigerator will go up to 48 degrees stay that way a few days then start working normally again a few days later temperature goes back up again then randomly returns to temperature set points sensors test ok would this be control board or fan motor also tested door switches
Answer Bill, based on the information provided, the most likely cause of failure would be the main control WR55X11130. Read More... Answered by AppliancePartsPros.com | Tuesday, June 21, 2022