I have been through five thermostats in the last two years and have been defrosting manually for over six months. Three times the dealer has sent out service men or come himself. I have replaced the thermostat myself as well. I have now determined that the defrost heater is burned out. My wife wants a new fridge, but I think I just need to replace the heater and maybe the thermostat again.
I don't see how to remove the defrost heater from the condensor. I removed the clips, but it seems intertwined with the tubing. Do I need to remove the condensor? If so, how?
I have been told that a defrost heater that is "going bad" can burn out defrost thermostats. I would think that as an element goes bad the resistance goes up, but that would result in less current and that would not burn out the thermostat. Does the resistance go down or does it go up?
ANSWER Duane, Besides replacing the defrost heater 67001794 and thermostat 12001937, you'll want to check and make sure the thermostat is mounted to the evaporator tube, tightly and properly. check and make sure the splices for the defrost thermostat and tight and sealed against moisture and water. and check the multi pug, in the back wall for the same. You may need to remove the compressor compartment cover, and check the harness connector in the freezer floor and make sure the wires and connectors are tight and making good connections.
Answered by AppliancePartsPros.com | Thursday, January 31, 2013