Frigidaire Freezer Defrost Thermostat, Sensor

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Frigidaire Defrost Thermostat

By: Frigidaire

Part Number: 297216600

The Defrost Thermostat is an OEM replacement part for Frigidaire refrigerators. This component plays a crucial role in the defrost system, monitoring and regulating the temperature to ensure proper defrosting of the evaporator coils.

Causes of a faulty defrost thermostat can include normal wear and tear over time, exposure to excessive temperature fluctuations or moisture, or electrical malfunctions.

Symptoms of needing to replace the defrost thermostat include:

Improper defrosting or lack of defrosting
Frost buildup on the evaporator coils
The refrigerator running constantly or cycling frequently

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

This part fixes the following symptoms

Too warm
Doesn't shut off
Fridge runs too long
Freezer not defrosting

Do-It-Yourself Stories from Customers like You Upright frost free freezer would not keep food frozen (Frigidaire name plate but made by (Electrolux) testing determined the refrigeration system worked but it would not defrost. Kenton K. • Chanhassen , MN • May 31, 2020

Fixed it by replacing the electronic control board. Only 30 min. to fix. (See further down for effort to diagnose the problem.) Most of this "fixing time" was spent removing the control panel to access the control board that is attached to it. My freezer has the control panel located in the top center of the door. The only way to remove the control panel is to pry the panel out of the door using a thin-bladed putty knife.The instructions provided were very good in explaining the process;... Read more

$29.95

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Frigidaire Defrost Thermostat

4.8 (39)

By: Frigidaire

Part Number: 5303917954

The Defrost Thermostat is an OEM part for Frigidaire refrigerators. It monitors the temperature of the evaporator coils and activates the defrost heater when necessary. This process prevents frost buildup on the coils, ensuring the refrigerator maintains optimal cooling efficiency.

You should replace the defrost thermostat if it becomes faulty or damaged. Common causes of a bad defrost thermostat include electrical failures, regular wear and tear, or temperature fluctuations that can degrade the component over time.

Symptoms of a bad defrost thermostat include:

Excessive frost buildup on the evaporator coils
Refrigerator not cooling properly
The defrost cycle not activating
Increased energy consumption

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

This part fixes the following symptoms

Freezer too cold
Freezer not defrosting
Fridge runs too long
Fridge too cold

Do-It-Yourself Stories from Customers like You Frig not cold and not all item in the freezer were being frozen ice not being made Gary M. • Raleigh , NC • September 30, 2015

My Frigidaire side by side refrigerator/freezer suffered a catastrophic failure. The symptoms were as follows: 1) Frig not cold 2) No Ice being made in the freezer section 3) Items at the back of the freezer were frozen but items on the door shelves would not freeze. The back of the freezer was cold but the closer you got to the door the warmer it got. After removing everything from the unit I saw that there was substantial ice buildup on back of the freeze, specifically around the vents,... Read more

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Frigidaire Thermistor

5.0 (3)

By: Frigidaire

Part Number: 297110400

The Thermistor is an OEM replacement part for Frigidaire refrigerators. It senses and monitors interior temperatures, which allows the compressor and evaporator fan to operate efficiently based on temperature conditions. Proper thermistor function maintains consistent cooling and humidity levels. At room temperature, it should measure 5k ohms of resistance when testing with a multimeter.

Causes of a bad thermistor can include failure over time due to constant exposure to changes in temperature. Physical damage to the thermistor head or wiring connectors can lead to breakdowns in communication.

Symptoms of a bad thermistor include:

Fluctuating or unregulated interior temperatures
The refrigerator or freezer running constantly
Error codes or blinking lights denoting temperature control issues

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

Do-It-Yourself Stories from Customers like You No cooling from refrigerator lights worked but compressor did not run Jeff B. • Ovalo , TX • May 07, 2015

Checked compressor windings - ok. Start relay looked no rattle or burning. Start capacitor seamed ok but hard to check. No 120VC to start relay at any time. Ordered thermistor, and electronic control unit. Figuring it was a bad thermistor not telling the ECU it was warm and to turn on the compressor. Or the ECU was damaged and was not sending the 120v to the compressor. Changed the thermistor first (cheapest part and as Appliance parts pros has a return policy I wanted to start there). ... Read more

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Frigidaire Thermistor

4.8 (11)

By: Frigidaire

Part Number: 297018400

The Thermistor is an OEM replacement part for Frigidaire Freezers. It is a temperature-sensitive electronic component located inside the freezer that helps monitor and regulate interior temperatures.

Causes of a bad thermistor can include failure over time due to normal usage or moisture damage. Without proper monitoring, interior temperatures could fluctuate unpredictably.

Symptoms of a bad thermistor include:

Inconsistent or inaccurate temperature readings
Temperature control issues where the freezer is too warm or cold
The compressor and cooling system cycling on and off excessively
Frost or ice buildup in unexpected areas

This OEM Frigidaire part is also compatible with brands including Electrolux, Gibson, Kelvinator, and select Kenmore models.

Do-It-Yourself Stories from Customers like You High temp alarm was showing high but was really not Steven B. • Plano , TX • January 02, 2015

Replaced the Thernistor and resolved the problem. Took less than 15 mins to do if you follow the instructions that they have on this site. Great video! Thanks Read more

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Frigidaire Defrost Thermostat (50°F)

5.0 (1)

By: Frigidaire

Part Number: 5303917628

This defrost thermostat senses evaporator temperature and helps control the freezer's defrost heater so frost melts at the right time, protecting cooling efficiency and preventing excessive ice buildup. What it does

Closes at cold temperatures to allow the defrost heater to run during a defrost cycle
Opens when the evaporator warms to stop the heater and prevent overheating
Commonly used when frost builds on the evaporator or defrost heater runs continuously
Helps maintain proper defrost timing for consistent cooling performance

What's included One defrost thermostat (50°F) as pictured Install notes

Disconnect power to the appliance before accessing electrical components
Mount and wire exactly as the original part;
Replace any damaged clips, grommets, or harnesses for a secure fit and good thermal contact

Do-It-Yourself Stories from Customers like You Not cooling properly eventually evaporator fan failure Richard D. • Wood Ridge , NJ • April 25, 2016

My problem first showed up as varying temperature in both sections of my old mid 1970’s Frigidaire model FPCI-170T-7 refrigerator, which is not listed on most appliance repair databases. Running on the warm side from time to time, as well as sudden fan noise (probably the fan blade hitting ice build-up on the evaporator coil) alerted me to a possible defrost system problem, since the compressor was cooling. The evaporator fan eventually failed after a day or so, and a major repair was... Read more

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Frigidaire Thermostat (Mechanical Temperature Control), 1-Pack

By: Frigidaire

Part Number: 5304456665

This mechanical temperature control thermostat replaces the factory temperature sensing switch to restore proper refrigerator temperature regulation. It helps the appliance maintain set temperatures for safe food storage and normal cooling performance. What it does:

Senses cabinet temperature and opens/closes the cooling circuit to regulate compressor run time.
Commonly used when the refrigerator runs constantly or cycles too quickly.
Works as the user-adjustable temperature control for manual-style refrigerator controls.

What's included: One mechanical thermostat Install notes:

Disconnect power to the appliance before starting any repair.
Handle the sensing bulb/capillary tube gently; avoid kinks or sharp bends.
Verify correct placement of the sensing bulb in the evaporator/probe clip per OEM location.

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Frigidaire Thermostat, Defrost 55Deg

By: Frigidaire

Part Number: 5303917629

$5.94

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Frigidaire freezer Defrost Thermostat, Sensor replacement parts are essential for keeping your freezer running smoothly. These components play a crucial role in regulating the defrost cycle, preventing frost buildup, and ensuring that your freezer maintains the right temperature. Reliable Frigidaire freezer parts are key to keeping your food fresh and electricity bills low.

The beauty of these specific Frigidaire freezer Defrost Thermostat, Sensor parts lies in their ability to maintain the functionality of your appliance. A defrost thermostat monitors the temperature and signals the defrost heater when needed, while the sensor detects any temperature fluctuations that might compromise your freezer's performance. Opting for OEM replacement parts assures you of the quality and compatibility that your Frigidaire freezer deserves, making sure you avoid any mismatched or subpar components.

So, if you're looking to keep your Frigidaire freezer in peak condition, you'll be pleased to know that these high-quality defrost thermostats and sensors are readily available. They are just what you need to ensure long-lasting performance and peace of mind.

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Frigidaire Freezer Defrost Thermostat, Sensor

Frigidaire Defrost Thermostat

Frigidaire Defrost Thermostat

Frigidaire Thermistor

Frigidaire Thermistor

Frigidaire Defrost Thermostat (50°F)

Frigidaire Thermostat (Mechanical Temperature Control), 1-Pack

Frigidaire Thermostat, Defrost 55Deg

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