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Customer Questions and Answers for Heater, Evaporator by Whirlpool

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    • Part Number: AP4076588
    • MFG Part Number: 67001794
    • Made by: Whirlpool
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For Whirlpool Heater, Evaporator (Part Number: AP4076588)

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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? Thanks,

Duane for Model Number ABB2223DEQ

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My defroster is not working. I checked the heater and there is continuity between the beginning and end of the heater tube. There is some resistance (I don't remember the ohm reading, but it was on the order of 50 ohms). I put the thermostat in ice water and did not get continuity, so I replaced it. The heater is still not coming on. The defrost timer does click over and shuts off the compressor. What should I do next? What is the voltage/amperage that goes to the heater? Can I check that from the timer? Is there a way to check the wiring from the timer to the connector in the freezer by the evaporator? I am concerned that a mouse might have gotten into the mechanical areas of the refrigerator.

Rich for Model Number ARB2214CW

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My defroster is not working, I'm getting ready to run test on the defrost thermostat (limiting switch) and the heater evaporator. My question: When performing a continuity test on the Heater Evaporator with a digital multimeter, using the Ohms setting of 20k, what type of resistance reading should I get to know if it is good? Thanks

Get-R-Done for Model Number Amana ARB2214CW

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How do I change out the defrost heater?

Ladybug K. for Model Number 59662232200

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How do I test the old defrost heater? Do I simply test for continuity?

Nick for Model Number gb2shdxts00

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