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Customer Questions and Answers for Thermistor Assembly by Frigidaire

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Manufacturer Part
4.89 (64)
By: Frigidaire
Part Number: OEM17406453
Manufacturer Part Number: 242278801

The Thermistor Assembly is an OEM part for Frigidaire refrigerators. It plays a critical role in monitoring and regulating the internal temperature of the refrigerator. By sending temperature readings to the control board, the thermistor helps maintain the appropriate cooling levels, ensuring food stays fresh.

Causes of a bad thermistor can include electrical failures, exposure to moisture, or physical damage.

Symptoms of a bad thermistor include:

  • Inconsistent or incorrect temperature readings
  • The refrigerator running too cold or too warm
  • The compressor running constantly or not at all

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.

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Questions & Answers

For Frigidaire Thermistor Assembly (Part Number: OEM17406453)

1 Answer

Dexter, when you remove the damper assembly, you will see how one thermister goes around the damper, and the other sticks into a slot that measure the temperature in the freezer.

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1 Answer

Goya, If the compressor is running and the freezer temperature is too high, you would have a defrost issue, a fan, or a sealed system issue. Check out this video for some troubleshooting help: https://youtu.be/6CDhkDujJ1k

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1 Answer

Goya, Thanks for the question!!! An H1 code means that the freezer temperature is above 26°F. You will want to locate your tech sheet and run a service mode. This may give you another error code that can point to the cause of the H1 code.

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1 Answer

Foye, if the damper assembly 242303001 is able to close when the refrigerator reaches the temperature it settles at, the failure would be in the thermistor assembly 242278801

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1 Answer

David, We would need to have the model number of your refrigerator to be able to assist with your question.

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1 Answer

Hello Kirk, The "HI" indicates the temperature in the fresh food compartment is above 55°F. This can be caused by a thermistor or an airflow issue which could also be caused by the air damper. Check the damper for any frost build-up which would cause by an air leak. Also, the air damper should be checked for any issues in the service mode as per the tech sheet.

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1 Answer

Steve, the thermistors 242278801 are located in the damper assembly. They are accessed by removing the temperature control panel and the damper housing in the refrigerator.

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1 Answer

Stacy, To access the thermistors to replace them there will be 2- 1/4 " screws on the control that goes from the back to front on the top left side. Remove these screws and pull the panel off, once it is off then you will be able to replace the thermistors.

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1 Answer

Deb, You have a damper on the top left side of the refrigerator section that opens and closes depending on the temperature of the unit. It sounds like this door is staying open allowing the freezer air in constantly freezing items. This damper operates off of a thermistor that reads temps in the refrigerator and tells the control to open or shut the damper door. So we have 2 possibilities, thermistor or damper. Well you can check thermistor for a resistance reading of 27k ohms at 38 degrees and can be found in the control area of the refrigerator.242278801 If that tests correct then you will need to order the damper 242303001

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