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PartSelect Number PS303781
The defrost heater keeps the cooling coils from frosting over. The heater will get hot and melt any ice or frost build up around the coils.
This part works with the following brands: GE, Hotpoint & Kenmore.
This part fixes the following symptoms:
I started by replacing the defrost thermostat. I was wishfully thinking that would solve the problem, and I knew I would have to do it anyway (you have to remove it to test it, so, for nine bucks . . .). That was the hardest part of the job, because I am wide and the freezer is narrow. (PartSelect has a good instructional video.) A good wire stripping tool is worth the investment. My mistake (laziness) was not testing the defrost heater when I had the chance. It was shot, too. I quickly ascertained that it needed replacing (frost on the rear of the freezer; the original problem) and so I ordered one. The first one I got was defective. PartSelect over-nighted me a second one for no additional shipping. Installed it as soon as it arrived, a couple of weeks ago (it attaches very simply at the bottom of the rear of the freezer; two screws and plug-in wires). No problems since. Total cost, about $60 plus shipping. I can't even get a refrigerator repair guy to visit for less than that.
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Remove the back cover inside the freezer, with a hair dryer, defrost the frosts built up over the fringes, only the 4 sides of the back panel needs to be defrost so that I can get access to the heater and Thermostat. The heater is a tube like and if it looks black, it is bad, the new one is filled with aluminum coils inside the tube that you can see. Replaced the heater and everything worked. It has been fine for a week now.
Replaced these parts and didn't fix the problem. Had to replace the temperature sensor. The fix could have been a $10 rather than $160, but I didn't know how to test the components individually. But it is fixed now!The board and heater plug right in. For the Defrost Thermostat (or thermistor?) I had to cut 2 wires, crimp the new wires to the old ones and seal up. Then attach to evaporator. Thanks for the help this site provided.
Coils in freezer side freezing up causing the fridge to stay too warm. After changing out the temp sensor and the defrost thermostat it still froze up in about a week. Changed the defrost heater and its been working good now for a month. The defrost heater clips on to the bottom of the coils in the freezer side,two wires and boom done.
The repair was easy using the step by step videos available through Partselect. Thank you!
Studied this problem from online people with the same problem, then found the parts needed from the online manual part list and removed the necessary things out the way and replaced them.
diagnoises said 49% thermostat replace preety easy did not fix so i took out defrost rube ran continuity test with showed bad unit ordered one here jn 2 days put in works great easy for me
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