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Customer Questions and Answers for Defrost Timer by Frigidaire

4.89 (64)
By: Frigidaire
Part Number: OEM20399667
Manufacturer Part Number: 5304518034

The Defrost Timer is an OEM replacement part for Frigidaire upright freezers. It serves as a crucial component responsible for regulating automatic defrost cycles.

Causes of a faulty defrost timer relate to 20,000+ hours of constant exposure to freezer temperatures as low as -10 degrees Fahrenheit. Such extremes can compromise electrical switching mechanisms over prolonged usage periods.

Symptoms of a failed defrost timer include:

  • Inability to initiate automatic defrost modes  
  • Excessive ice and frost accumulation inside cabinet
  • Warm areas detected due to impaired fan circulation
  • Diagnostic codes indicating defrosting problems

This genuine Frigidaire replacement part is compatible with Kelvinator and some Kenmore units as well.

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Questions & Answers

For Frigidaire Defrost Timer (Part Number: OEM20399667)

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Answer

Curt, You will want to pull the rear wall of the freezer and check the frost pattern on the evaporator coils. If there is very little or no frost pattern then this will be an issue with the sealed system and will need service. If the coils are impacted with ice then check the defrost thermostat and defrost heater for continuity. If there is continuity then this will be a issue with the defrost control.

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Answered by AppliancePartsPros.com   |   Thursday, February 8, 2018

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