Why is there ice on the bottom and back of the refrigerator section?

Freezer, ice maker and fridge all work fine. The back panel of the fridge section has ice behind it, and then builds up on the floor of the fridge section, which is directly over the freezer. It has to be defrosted every 3-4 months.

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The drain tube was not blocked. after defrosting for 15 hrs, the back panel of the refrigerator compartment was finally exposed. I was able to pry up the panel enough to get my fingers behind it to touch what felt like coils covered in ice. Any other ideas? Sears doesn't service my area at all, warranty or not. So I'm glad I didn't buy it. I still need help. I love my refrigerator except for the 15 hour day it takes to defrost this problem. Again, its not the freezer, the drain or the drain pan.

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1 Answer

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Cause 1

Clogged or Freezing Defrost Drain

The defrost drain might be clogged or frozen. If the defrost drain is frozen, the water will overflow the drain trough and drip down to the bottom of the compartment. If the defrost drain is frozen, thaw it out and ensure that the drain is clear of debris.

Cause 2

Drain Strap

Some defrost drains are outfitted with a drain strap. The drain strap is a small piece of copper or aluminum that attaches to the defrost heater and extends partway into the defrost drain. When the defrost heater turns on, heat is conducted through the drain strap to melt away any ice that may have accumulated further down in the defrost drain. If the drain strap is not in place, the defrost drain may be more likely to freeze over.

Cause 3

Drain Heater

Some refrigerators are equipped with drain heaters. Drain heaters prevent the water in the drain pan from re-freezing and clogging the defrost drain. If your drain heater is defective or is not in the proper position, the defrost drain might freeze over.

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