Fred for Model Number HS25GFTCBB Defrost isn't working. I have verified that defrost heater and thermostat are good. I have replaced the control board. Can it be the evaporator thermistor-part no 243 on the diagram. The resistance measures 1.2K ohms at room temp and about 1.8K ohms at 32 degrees.
Answer Hell Fred. Yes, the thermistor WR55X10025 can cause the issue you are having with the unit. Read More... Answered by AppliancePartsPros.com | Saturday, September 8, 2012