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esequiel walker
esequiel walker, Home Appliance Technician
Category: Appliance
Satisfied Customers: 4670
Experience:  my father has an appliance repair business for over 30 yrs i have 18 yrs exp
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My Maytag refrigerator freezer keeps freezing up. As a result

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My Maytag refrigerator freezer keeps freezing up. As a result the refrigerator gets warmer.
hi there is there ice build up on the freezer back wall
Customer: replied 6 years ago.
Yes, there was prior to defrosting. I removed the back and melted all ice before reassembling and plugging in. It has gone from 70 deg to 4o deg in about 20 minutes. The problem is there must be some control that is bad, because I've never had to defrost manually before.
hi there is a heater and a defrost thermostat if either one is bad normally the defrost sensor the heater will not activate to melt the ice .
Customer: replied 6 years ago.
I don't know what either of those parts look like or where to find them in the unit Can you describe them and their location?
hi this is the heaterits glass so if you remove the panel you can see if its burnt right away i can tell you ive seen these its going to be busted
Part 663997 (Click to enlarge)
Grid is 1 inch square
Item #
663997
Price
$27.45
Customer: replied 6 years ago.
Where is it located?
hi its in the freezer side if you remove the back panel
Customer: replied 6 years ago.

I did but there was nothing burnt

 

the whole glass looked in tact because it could be a tear in the string yet still be so close you cant tell
Customer: replied 6 years ago.

Ok would you recommend replacing the heater only?

 

if it looked good all the way across then you have a bad defrost sensor this part i would replace this part too they work together
Part 664901 (Click to enlarge)
Grid is 1 inch square
Item #
664901
Price
$28.45
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Customer: replied 6 years ago.
Thank you!
you are welcome good luck

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