Joe M for Model Number GSS22sgpcss My ge refrigerator coil ices up and then it starts to warm up. I replaced the defrost heater and defrost thermostat. The problem is still present. Do I need to replace the main board or could there be something else bad
Answer Joe, You will want to test the defrost thermistor for resistance. The resistance at 0 degrees should be 42.2K ohms. If not within proper resistance then the thermistor is bad and would need to be replaced. If it checks ok then the control board would need to be replaced. Read More... Answered by AppliancePartsPros.com | Wednesday, June 18, 2014