This refrigerator defrost thermostat is a genuine OEM part and is sourced directly from the manufacturer. Located on the back wall of the freezer section in the refrigerator, the defrost thermostat is used to regulate the appliances temperature to keep the refrigerator cold and constant. The part is made of plastic, and has a 4 inch terminal on the white lead and a 6 inch terminal on the red lead. A refrigerator defrost thermostat may need to be replaced if the appliance is experiencing temperature related issues such as: too cold, too warm, frost buildup, not running, or running too long.
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Part Videos
Replacing your Frigidaire Refrigerator Defrost Thermostat
Troubleshooting
This part fixes the following symptoms:
Too warm | Fridge too warm | Frost buildup | Doesn’t stop running
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Sorry, we couldn't find any existing reviews that matched. Try using some different or simpler keywords.
★★★★★
★★★★★
Kennedy K - February 24, 2022
Verified Purchase
Followed the Website
Searched the problem, found this site. Ordered the part. Watched the supplied video. Made the repair. Very simple even I can do it!!
★★★★★
★★★★★
James H - February 24, 2022
Verified Purchase
Was easey to install.
everything is working again.
★★★★★
★★★★★
Allan R S - December 2, 2021
Verified Purchase
Plugged right in and worked great.
The updated part came in fast and plugged right in without any modifications.
★★★★★
★★★★★
NANCY H - October 27, 2021
Verified Purchase
GREAT was correct part it worked
great prices, fast delivery and parts are correct!!! love this company!!!
★★★★★
★★★★★
John M - August 14, 2021
Verified Purchase
To Chill or not to Chill!
New part seems to fix the problem and the freezer is now functioning properly. Thank you.
★★★★★
★★★★★
JOHNSON J - October 29, 2020
Verified Purchase
Easy repai
Great site
★★★★★
★★★★★
Jamie R - August 29, 2020
Verified Purchase
Freezer thermostat
The part arrived promptly and is working perfect. Will order from your company again for sure.
★★★★★
★★★★★
Sean B - August 19, 2020
Verified Purchase
Straight forward
Arrived promptly, and fit as advertised.
★★★★★
★★★★★
Scott C - June 26, 2020
Verified Purchase
Perfect part, quick repair
This part was a perfect fit, works perfectly. Easy to follow installation videos on this site always makes for an easy repair. I bought two parts (50 dollars total) and saved myself from having to purchase a new freezer. It’s running better than it has in years! I have used this site to repair a dishwasher too. My go to site for parts!
★★★★★
★★★★★
Terry B - June 23, 2020
Verified Purchase
Easy repair worked: perfectly
Came in quick and has worked fine
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Customer Repair Stories
Average Repair Rating: 3.9 / 5.0, 34 reviews.
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Upon Inspection of electrical connections I found the controller connector slightly melted, so I ordered a replacement and the other parts, given the freeezers age. Replacement efforts were close to plug and play. Compressor powered back up And freezer is now functioning again.
I replaced the timer and the defrost thermostat. The defrost thermostat replacement was almost exactly like the training video here. The old part attached slightly differently. The most time consuming part was thawing out the heat exchanger, which was completely covered with ice, inside and out.
Compared to the training video,
... Read morethe timer took more work given its location. It was low to the ground and a bit difficult to get at around the other wires and parts. However, the new part fit perfectly. I just unplugged and unscrewed the old part then reversed those steps with the new one.
I damaged the timer while moving the fridge and did not realize it and it took 10 minutes to change out. "note" don't panic when it don't come immediately there is a dial in the front of the timer you can turn with a flat head screwdriver that will activate the timer
freezer would frost up and not get cold enough to keep frozen.
Removed shelves ,removed panel on interior back wall with Philips screwdriver ,unplugged wire terminals slid thermostat off coil ,then reversed process to complete installation.
Richard from SLIDELL, LA
Difficulty Level:
Very Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
3 of 3 peoplefound this instruction helpful.
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REFRIDGERATOR SECTION WANST GETTING COLD
freezer section remove ice trays ,shelves,unplug ice tray.use 1/4 nut driver remove back panel,use hair dryer thaw ice from evap coil ,unplug tstat remove install new one.plug in ice maker,put back panel back on ,ice maker and shelves plug refridgerator back in
HAROLD from DETROIT, MI
Difficulty Level:
Really Easy
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers
1 personfound this instruction helpful.
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The freezer was not defrost.
First, unplug the cord, open the freezer door then unscrews 6 screws of the back cover inside the freezer. Replace the defrost thermostat. Second, on the back in the bottom you'll see the controller which connects to the compressor then unplug the wire to the controller and use a screw driver to take the controller out and replace with th
... Read moree new ones. That's it. Most of the time you just replace the defrost thermostat, but in my case I did try only the defrost once but it didn't work that's why I have to replace the controller too. Now it is working fine.
Freezer wouldn't shut off and wouldn't reach cold enough temperature.
Removed existing part, tested it, found it to be defective. OrderEd a new one and replaced the existing one.
Tunis from NOLANVILLE, TX
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
3 of 3 peoplefound this instruction helpful.
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The freezer was too warm. The fan was running: the diagnosis tool did not work!
I used the tool at Partselect that in theory allows diagnostic of the problem to be repaired. The result was that more tan 90% of the time with the introduced symptoms it had to be the thermostat. I order the part, got it quickly and installed. It did not fix the problem. So, be careful with the diagnostic tool, because it is just bas
... Read moreed on what most people buy when they have a particular problem. Videos for installation are great. If diagnosis was better, this would be fantastic. In my case there might be a different problem.
Read less
Xavier from Philadelphia, PA
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
2 of 3 peoplefound this instruction helpful.
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Questions and Answers
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44 questions answered by our experts.
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Judi
November 27, 2017
Freezer is not working (no interior light or coolness). Outside panel says 1 f with the 'door ajar' and 'power light' lit in red. The door is not ajar and there is power to the freezer. Any advice would be appreciated!
For model number LFFH21F7HWA
Hi Judi, Thank you for the question. The messages are on the display because the temperature in the freezer is to warm. This is most likely caused by a defective defrost thermostat.You can teat the thermostat,The best way to do this is to remove the thermostat from the refrigerator so you can control the temperature of the sensor. You can let the sensor warm up to room temperature. With the sensor warmed up to room temperature the sensor should read approximately 6.2K Ohms at 68°F. With the thermistor submerged is a glass full of ice water, the sensor should be very close to 32°F which should read approximately 16.3K Ohms. If the values that you are getting are far off from these readings, then the sensor is bad and should be replaced. Hope this helps!
18 people found this helpful.
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Ed
September 6, 2017
Compressor code ff 0
For model number lffh21f7hwj
Hi Ed,
Thank you for contacting us. The FF code means that the temperature in the refrigerator is rising. There are some parts that you will need to check and the defrost thermostat is one that fixes the issue the majority of the time. You will also need to check the evaporator fan motor, the controller, the main electronic control board, and the run capacitor. I hope this helps. Thank you and have a great day!
15 people found this helpful.
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Tami
October 12, 2017
My freezer keeps running. It is clean and cooling fine.
For model number FFU2065FW2
Hi Tami,
Thank you for your inquiry. If your freezer is continuously running, the part that fixes the issue 99% of the time is the defrost thermostat, part number PS2350702. I hope this helps. Thank you and have a great day!
10 people found this helpful.
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Charles
November 21, 2017
Is there a test for the thermostat that I can do after I removed it? Such a a ohm meter or equivalent I want to be sure it is bad before ordering a new one.
For model number LFFH2067DW1
Hi Charles, Thank you for the great question.The best way to do this is to remove the thermostat from the refrigerator so you can control the temperature of the sensor. You can let the sensor warm up to room temperature. With the sensor warmed up to room temperature the sensor should read approximately 6.2K Ohms at 68°F. With the thermistor submerged is a glass full of ice water, the sensor should be very close to 32°F which should read approximately 16.3K Ohms. If the values that you are getting are far off from these readings, then the sensor is bad and should be replaced. Hope this helps!
8 people found this helpful.
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Brandon
September 26, 2019
The freezer gets a little cold and then it gets warm.
For model number FGHS2631PP4A
Hi Brandon,
Thank you for your question. If the refrigerator is not cooling correctly and it is mostly warm, there are some parts that you will need to check to see which one is causing the issue. Here is a link from our website that you may reference on what parts to check, https://www.partselect.com/AdvancedModelSymptoms.aspx?ModelNum=FGHS2631PP4A&mfgModelNum=&fkMfgID=4&ModelMasterID=839763&PID=10. I hope this helps. Thank you and have a great day!
5 people found this helpful.
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Will
November 17, 2017
My freezer is blowing cold air, but it is not getting cold enough to keep ice cream frozen. There isn't any frost inside, but the outside of the door is cold to the touch. I've noticed the freezer is running pretty much all the time and the compressor is hot. I've noticed some warping on the gasket, and with the door being cold on the outside, i was thinking it vould be the door gasket. Do you think it is this part, the door gasket, or something else?
For model number MFU20F3GW2
Hi Will,
Thank you for your inquiry. If your refrigerator will not stop running, there are some parts that you will need to check to see which one is causing the issue. You will need to check the defrost thermostat, the defrost timer, the defrost heater, the door gaskets, the condenser fan motor, the evaporator fan motor and the compressor. I hope this helps. Thank you and have a great day!
4 people found this helpful.
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Gary
December 31, 2017
Upright freezer tends to let food defrost inside freezer. However if you turn on the quick freeze button then it will run for the 24 hours it is programmed to do or when you turn off. Food frozen, no problem. If you do not do this regularly then the food starts to warm up and defrost again.
For model number 2539280412
Hello Gary, Thank you for your inquiry. We would recommend checking the following parts to fix your issue: defrost timer, defrost thermostat and defrost heater. You can test the parts with a multimeter. If you are unfamiliar with how a multimeter functions, there are YouTube videos available to assist you. Hope this helps!
3 people found this helpful.
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James
February 4, 2019
Everything is running but, not cold enough and starting to defrost food... amber and red light both on outside. noticed ice on the very bottom on coils
For model number LFFH2067DW2
Hello James, thank you for your question. We would recommend testing the defrost heater, defrost thermostat and temperature control first. If there is ice on the coils at the back of the fridge by the compressor check to be sure the condenser fan motor is running. If the ice is on the coils in the back wall of the unit where the defrost thermostat is, that is a likely issue with the heater/thermostat. I hope this helps!
2 people found this helpful.
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Del Eusebio
December 23, 2017
When i open the freezer door the light flickers and and the display flickers and sometimes it wont starts back on and the door ajar and power loss light stays on.
For model number LFFH21F7HWA
Hello Del, Thank you for your inquiry. I would check the main control board with a multimeter to see if it is functioning properly. If you are unfamiliar with how to use a multimeter, there are videos available to assist you. Hope this helps!
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John
November 23, 2017
I asked the following question: Where is the thermostat that controls the temperature of the unit itself? Lets say i wish the temperature to be close to but not exactly 32. Maybe 37 degrees? I need to know the specific answers not just a part number to order. Thanks
For model number FFU20FK0DW3
Hi John,Thank you for contacting PartSelect. If you look inside on the back wall you will see a knob that controls the temperature. Hope this helps!
