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John, Home Appliance Technician
Category: Appliance
Satisfied Customers: 26795
Experience:  Appliance repair business owner for over 43 years.
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Howdy Kenmore model 106 6686 1790 defrost cycle is not

Customer Question

Howdy: Kenmore model(NNN) NNN-NNNN1790

defrost cycle is not working, im getting water and ice in the fridge, have manually defrosted and cleared the drain line but the problem comes back...i guess its the timer or defrost themostat can i field test them? or should I replace the units and which one would you start with the timer or thermostat/bimetal switch.. thanks for your time and advice
Submitted: 6 years ago.
Category: Appliance
Expert:  John replied 6 years ago.
-Could you explain your situation a little more?
where is the frost just at the bottom of the coil or is the complete coil frosted
Customer: replied 6 years ago.
The frost is built up mostly at the bottom of the coil and there is ice build up on the floor of the freezer under the plastic cover
Expert:  John replied 6 years ago.
the problem is a blocked up drain tube from the freezer to the drain pan under the fridge, thaw that out and pour hot water and vinegar down the drain tube to clean out that line. this will fix the problem.
Customer: replied 6 years ago.
Have cleared the drain line several times, as stated in my original question, within a few weeks the problem returns.....could it be something else?
Expert:  John replied 6 years ago.
What we do in a case like this is use a copper wire and hook it to the defrost heater then push it down the drain tube a few inches, this will prevent the water from freezing in the pan.
John and 5 other Appliance Specialists are ready to help you
Customer: replied 6 years ago.

Ahh OK, thats a good idea, will give it a try....thanks
Expert:  John replied 6 years ago.
Yes thats the only way to stop that from happening,thanks and God Bless.

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