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A white Compact refrigerator with separate freezer and refrigerator compartments.

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Fridge defrost timer wont advance

Defrost timer wont advance. I can manually put the timer into defrost mode and it will defrost and put itself back in cooling mode, but wont advance back to defrost ever. I dont think its the timer itself as I have tried about 3 new timers and the same thing happens. What would cause this?

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Im looking for real answers, not copy n paste. If you read the post you would see its none of the stuff you copy n pasted. thanks

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William READ cause #1.

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I have the same problem and I can’t find an answer

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I have the same problem, the timer sends power to the heater during defrosting period(21 min) and after defrosting time it advances to cooling it takes longer time not advances to defrosting again .What is the solution for such issue?

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SOLVED: I had this same issue with the defrost timer not advancing to defrost mode. In the past, I had to manually turn it into defrost mode and the timer would advance only out of defrost but never into it resulting in ice build up preventing proper air circulation to the fridge. TURN THE TEMP DIAL DOWN! My temp dial was overriding my timer so it always stayed in cooling mode and never went into defrost mode resulting in ice buildup and the prevention of proper cold air to the fridge.

*multiple defrost modes or the manual melting of ice build up is reccommended before lowering the dial for quicker results*

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Cause 1

Defrost Control Board

The defrost control board determines how often to run the defrost cycle. If the board fails, the refrigerator will not go into the defrost cycle. Before replacing the defrost control board, first test the defrost heater and defrost thermostat. If the defrost heater and defrost thermostat are working properly, the defrost control board is likely defective.

Cause 2

Defrost Timer

The defrost timer turns on the defrost heater several times throughout the day to melt any frost that may have accumulated on the evaporator coils. If the defrost timer is defective, it may not advance into the defrost cycle, or it may not send power to the defrost heater during the defrost cycle. To determine if the defrost timer is defective, slowly advance the dial into the defrost cycle. The compressor should turn off and the heater should turn on. If the timer does not send power to the defrost components or advance out of the defrost cycle within 30 minutes, this indicates that the defrost timer is not advancing. If the defrost timer is not advancing, replace it.

Cause 3

Defrost Heater Assembly

The defrost heater assembly turns on several times throughout the day to melt away any frost that may have accumulated on the evaporator coils. If the defrost heater assembly is defective, the defrost system will not work, and frost will continue to accumulate on the evaporator coils. To determine if the defrost heater is defective, use a multimeter to test it for continuity. If the defrost heater does not have continuity, replace it.

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william holmes さん、ありがとうございました!
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