This is a 120 volt defrost timer manufactured for refrigerators. The defrost timer manages the automatic defrost systemin the unit. It acts like a clock by switching between activating the cooling cycle and the defrost heater to maintain the set thermostat temperature, preventing the unit from being too warm or cold. The defrost timer may need to be replaced if the fridge will not maintain its temperature or has frost buildup. Depending on the model, it could be located on the rear panel or ceiling of the fresh food compartment. Be sure to disconnect power to the refrigerator before replacing this part.
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Troubleshooting
This part fixes the following symptoms:
Too warm | Frost buildup | Won’t start | Fridge too warm
This part works with the following products:
Freezer, Refrigerator.
This part works with the following products:
Frigidaire, Kenmore, Gibson, Kelvinator.
Part# 5304518034 replaces these:
AP6799886, 00624727, 00624729, 00626218, 00627159, 00628515, 00628516, 00628517, 08037960, 08037967, 216517400, 216563000, 216744400, 216744500, 297318010, 5304516309, 5308037967, F000127233, F000129880, F127233
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Questions and Answers
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25 questions answered by our experts.
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Jerry
September 5, 2019
Over a period of time ice builds up in the drain hole of my upright freezer and eventually covers the bottom of the freezer - which part needs replacing? - the timer or the defrost thermostat - your help is greatly appreciated - thank you
For model number FFU14FC4AW0
Hello Jerry, Thank you for the question. I suggest testing the Defrost Thermostat, PartSelect Number PS2350702. 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!
My freezer will not get cold. I took it apart and found block of ice on and under the coil. What is the most cause of freezer not freezing.
For model number FFU12F2HW8
Hello Chris, thank you for inquiring. For this symptom you will want to consider either the Defrost Thermostat part PS2350702 or the Timer part PS12585793 for your model. We hope this helps.
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Ravi
August 7, 2019
Found that my frigidare upright freezer stopped working,exterior of the freezer very hot. Took all the food out later the freezer started work and started freezing..few days later it didnt seem to be that cold..turned the temp down and it seems to be running again....any idea what might be the problem?
For model number FFFH17F1RW0
Hello Ravi, thank you for your question. We would recomend testing the following parts. TIMER Part Number: 5304518034, Temperature Control Thermostat Part Number: 5304513033, and Run Capacitor - 120V Part Number: 297286803. I hope this helps!
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Kevin
August 22, 2019
Is there any way to test the timer on my 25322042410 upright freezer? My freezer will not start. The run capacitor checks out using my multimeter using the ohms function and watching the resistance rise from 5m ohms to infinity within a few minutes. Is there anything else besides the timer and capacitor that i should check?
For model number 25322042410
Hello Kevin, thank you for writing. You will also want to check the Evaporator Fan Motor with Wire Harness part number PS2349477 for your model, and the Start Device part number PS11728176. We have some instructions on our website for testing the Timer. Here is a link: https://www.partselect.com/Refrigerator+test-defrost-timer+repair.htm. I hope this helps and good luck with your repair!
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LARRY
January 27, 2020
Freezer runs constant and temp. Is good. If i turn the temp. Control down it stops running but when that temp is reached it starts running again and will not shut off.
For model number FFFH17F4QTA
Hello and thank you for writing.
It certainly sounds like it could be a faulty temperature control thermostat and/or faulty timer, you should check the part(s) for signs of damage, and replace it as needed. Please see the part links related to this question just beneath this answer. We hope this helps. Please contact us anytime if you require further assistance.
To keep food frozen, once or twice a day i have to open freezer and turn tempature dial back and forth and freezer eventually kicks on...... otherwise freezer will not switch on
For model number Lffh17f3qwa
Hello Jon and thanks for writing.
Sounds like a faulty timer Part Number: PS12585793 is in the list of compatible items for your model, however, you also should check the thermostat # PS12365300, as this could also be connected to your issue We hope this helps. Please contact us anytime.
Kenmore elite fridge only, counter depth. Has matching separate freezer unit. Both about 12 years old. After about 1 year of use internal ?Evaporator? Replaced by sears leaking, with fluorescent freon. Fridge got warm today, then cold again. Checked defrost system, thermostat continuity tested in ice water twice on and off and heating tube worked when timer turned manually. Timer part number 216744500 replaceable your site with alternate sub part. Replace timer? Or check something else? Was cold at hour 4 after call. It was in defrost mode (still cold) when i was checking it out about 8 hours after my wife’s panic call. (12 hr timer). She says it turned on while she was emptying it and got cold again.
Hello Sam, thank you for contacting us, In order for us to locate the correct parts and repair information we will require the model number of the unit. Once you have located the model number please feel free to resubmit the question and we will be happy to help you. We are looking forward to hearing from you!
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Jim
February 12, 2022
If this part is defective would it keep the freezer running continuously
For model number fffu14f2qwj
Hi Jim,
Thank you for your question. The defrost thermostat is a safety thermostat that works with the defrost heater to terminate the defrost cycle when the evaporator reaches a specific temperature, usually rated at 38° to 47° Fahrenheit. If the thermostat is defective and remains open circuit, then the defrost heater will not be energized and no defrosting will take place. To verify if your defrost thermostat is working, you will need to test it for continuity with a multimeter. Before removing and testing the defrost thermostat, please unplug the refrigerator from the electrical outlet. Set your multimeter to the Rx1 setting. Place each of the probes on a thermostat wire. When your thermostat is cold, it should produce a reading of zero on your multimeter. If it is warm, from 40 to 90 degrees Fahrenheit, then this test should produce a reading of infinity. If the results you receive from your test differ from the ones presented here, then you will need a replacement defrost thermostat. If you would like to place an order for it, customer service is open 7 days a week and anyone will be happy to assist you. Please feel free to give us a call. We look forward to hearing from you!
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Lee
February 19, 2020
Freezer will run fine for a day then it will struggle to stay below freezing. It seems to go through a defrost mode at different times but is still covered in ice and frost. I’ve taken the top panel off to find the coils covered in ice and frost. I’ve cleaned all of this off and defrosted the coils, only for this to happen again in a couple of days. Adjusting the temp doesn’t seem to make a difference. How can i fix this?
For model number Kcbm180fqya
Hello and thank you for writing.
It certainly sounds like it could be a faulty defrost timer PS12585793 and/or possibly a malfunctioning thermostat PS2350702 you should check the part(s) for signs of damage or test with a multimeter, and replace the part(s) as needed. We hope this helps. Please contact us anytime if you require further assistance.
Refrigerator will not cool, evaporator fan is running but blowing warm air. Cooling control will click when turned to off and on.Compressor is hot to the touch, could the defrost timer be the issue?
For model number FFRU17B2QWD
Hello John, thank you for contacting us. We would recommend inspecting the evaporator coils and if you notice ice build-up around them, the issue is most likely related to the defrost timer, part number PS12585793, and the defrost heater, part number PS10064815. The warm air from the fan is an indication that there is built-up ice around the coils. Customer service is available 7 days a week if you require assistance placing an order. Thanks again for reaching out!
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Part Videos
Replacing your Frigidaire Freezer DEFROST TIMER
Customer Repair Stories
Average Repair Rating: 3.9 / 5.0, 16 reviews.
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Sorry, we couldn't find any existing installation instruction that matched.
After getting wiring diagram off internet it was diagnosed as freezer stuck in defrost mode, temp alarm on, but fan running.
Turned gray knob on defrost timer (located bottom left back of freezer) past defrost position to verify compressor would run...it would not, but fan would run. Tested run capacitor...found borderline defective (weak, wrong value ohm meter kick). Just to be sure, removed interior shelves and interior rear and gasket to check heater at 20 ohms as OK and removed thermostat and verified contact closure after exposure in another freezer....re-installed, hooked heater back up and re-installed interior rear panel. Replaced defrost timer by unplugging 4-pin connector, then removed 2 screws that hold it to the bracket. Installed new one in reverse order. Then removed wire bail holding run capacitor to compressor plug assembly, removed run capacitor, plugged in new one. Turned on freezer......now making ice and holding cold temperature and cycling properly between freeze and defrost modes. Two problems made this repair a bit more difficult. This is the second time that defrost timer has failed...only got 3 years from last one.
Temp alarm sounding and food on top shelves partially thawed
After silencing the alarm, it seemed to be running as normal without any unusual noises, but food was starting to thaw from the top shelf on down and condensation was dripping from the roof. We were able to place most of the food in 2 large ice chests and then the rest in the freezer compartments of 2 fridges we have in the house. I then turned down the temp dial to the coldest setting and let it run for an hour or so; no change.
After researching on the internet, it sounded like our symptoms could be pointing to a defrost timer issue. I pulled the freezer away from the wall, located the timer and used a large screwdriver to slowly advance it. While doing this, at one point I could hear the compressor kick in. I pushed the quick freeze button and let it run for a while. When I checked it in a few hours, the alarm light had gone out and water that I had placed inside was frozen. We took a chance and put the food we placed in the ice chests back in the freezer. Everything was fine several hours later.
I ordered a new defrost timer, it arrived in a couple of days, and replaced the old one with it in a matter of minutes by disconnecting the wire harness from the old timer, removing the 2 screws holding it onto the bracket, screwing the new timer to the bracket, reconnecting the wires harness, and done. It's been a week or so and no problems.
Wayne from Forest Hill, MD
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
34 of 38 peoplefound this instruction helpful.
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freezer was stuck in defrost mode - - stayed at 30 degrees
slid freezer away from wall - - bottom left hand corner was the frost timer - - removed two philip head screws - - unpluged timer and installed new timer - - turned timer past first click to a little past second click (freeze cycle) - - slid freezer back FINISHED - - YOU GUYS ARE THE BEST WITH YOUR WEB PAGE AND HELP!!!!! Next day freezer was at 0
don from stony point, NY
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
20 of 26 peoplefound this instruction helpful.
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Freezer was getting all iced up...
Watched the defrost timer to see that it wasnt moving, looked the part number up on your site and it even had a picture of it so I knew I was getting what I needed, ordered it when it came I took out the screws holding it in place unplugged old one and plugged in the new one, freezer works like new... :))
Cheryld from Florence, SC
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
16 of 19 peoplefound this instruction helpful.
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Freezer would over temp and decrease cooling efficiency
One day my freezer's overtemp light/warning came on. I knew the compressor was working properly (as it was still running) and that there were no leaks.
I was able to research about how this freezer worked and learned of this mechanical timer on the back of the freezer. It turns on/off the defrost mode of the freezer.
I manually turned the knob on the back to see if I could get the freezer to defrost. Turns out the timer was no longer working and when I manually ran the defrost, the freezer started to freeze again.
I just replaced this part and my freezer is working like norma.. Simple as all it takes is a few screws and you are done.
Steven from Alamogordo, NM
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
15 of 17 peoplefound this instruction helpful.
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Freezer was not cycling and started freezing up around the compressor but was not able to freeze inside the box.
I knew that the problem had to do with the timer so I went online and looked at the schematic diagrams on Partselect and identified the part that should handle the problem. I ordered it and it arrived fairly quickly. It took a Phillips screw driver and about fifteen minutes to remove the old part and replace it with the new one. Very easy repair. It is working as it should now.
James from Biloxi, MS
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
15 of 20 peoplefound this instruction helpful.
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Freezer would not run; no electrical power to the compressor
Looking on-line at your diagnostic for this problem, I saw the most common part to cause this problem was the start capacitor, so I purchased one & installed it with no positive outcome. I then purchased the next recommended part which was a defrost timer & installed it with no run again. Frustrated, I looked at another diagnostic web site that claimed 90% of the time the problem is caused by the cold control thermostat. I tested mine and it tested bad, so I bought a control elsewhere, since your site did not list a PN for that device. I installed the new control and the freezer started up correctly. Looking at the wiring diagram for these parts, I see the start capacitor and defrost control are downstream of the cold control thermostat, and to my mind should have been the first part recommended for testing versus the parts I bought, so I am somewhat disappointed in the diagnostics on your site, where I spent about $80 for parts that were functional.
Gary from SEQUIM, WA
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Nutdriver, Screw drivers
6 of 6 peoplefound this instruction helpful.
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Freezer not defrosting
Replaced defrost thermostat and defrost timer on my commercial Kelvinator freezer. Took out screws inside freezer compartment that hold panel at top inside freezer.Once the screws were removed I pulled out the thermostat dial so the panel was free to drop down and expose coils to the freezer that were located in the top rear of the inside freezer compartment.The defrost thermostat was located on the top of the coil to the top left as you face the inside of the Kelvinator KFS220RHY1 freezer. Very easy unplug old and plug in new defrost thermostat. Also replaced timer located in the back side of the freezer down near the middle of the bottom of the freezer near the compressor. There were two nuts holding the timer in the back of the freezer once I took those out I just unplugged the old timer and plugged the new timer in ....very simple fix. I have only run my freezer for a week since I replaced both parts but so far all is working well.
Tom from Argyle, WI
Difficulty Level:
Really Easy
Total Repair Time:
15 - 30 mins
Tools:
Nutdriver
5 of 5 peoplefound this instruction helpful.
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The freezer was not keeping food frozen
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, the 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.
Removed the old defrost timer by removing 4 screws on the holding bracket. Disconnected the wire harness. Reconnected the wire harness to the new part. Installed the new part with 2 screws on the top of the molded bracket. I am a 67 year old woman... easy-peasy. (the defost timer is located in the bottom left rear of the freezer.
Jeanne from SAN ANTONIO, TX
Difficulty Level:
Very Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
5 of 6 peoplefound this instruction helpful.
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Customer Reviews
Average Rating:
★★★★★
★★★★★
14 Reviews
4.6
Filter By Rating:
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11
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Sorry, we couldn't find any existing reviews that matched. Try using some different or simpler keywords.
★★★★★
★★★★★
Jerome G - August 31, 2021
Verified Purchase
Worked perfectly
Freezeris up and running again. Excellent service
★★★★★
★★★★★
Tom W - August 7, 2021
Verified Purchase
Good replacement part
Exact fit and function.
★★★★★
★★★★★
Lowell M - June 13, 2019
Verified Purchase
The repair was easy, but the timer was not the problem.
The part worked as advertised, unfortunately it was not the problem and I purchased a new freezer. Thanks for the help.
★★★★★
★★★★★
David B - May 10, 2019
Verified Purchase
easy
turned out to be the thermostat, but had bought both. freezer would stop running, adjust the thermostat it would run, after 12 hours or so shut off, sometimes come back on sometimes it wouldn't. I had tapped on the thermostat to see if it would come on but it wouldn't even if I hit it hard.
★★★★★
★★★★★
Artie S - May 9, 2019
Verified Purchase
Exact fit.
Part came in as expected and was an exact fit and solved the problem with my freezer.
★★★★★
★★★★★
Francis G - April 25, 2019
Verified Purchase
Easy repair
The part was delivered in good order. Repair was done in less than 10 minutes and is working so far.
★★★★★
★★★★★
Ken S - March 13, 2019
Verified Purchase
Mixed results
Worked great, too bad i paid for 2-3 day shipping and it took 6 days. I lost a couple of hundred dollars in food due to that...you should put in a claim with your shipper on my behalf
★★★★★
★★★★★
William D - August 16, 2018
Verified Purchase
Fast easy repair.
This site made diagnosing the problem with my freezer easy. They had the part in stock and it got to my pretty quick. Repair took ten minutes tops and now my upright freezer is running with no issues. (Frigidaire 14cuft upright freezer.)
★★★★★
★★★★★
Traci M - August 4, 2018
Verified Purchase
Replaced defrost timer
Freezer stopped working compressor would not start this part was easy to install with help from the web site took 20 min from start to finish.
The Fix App makes it easy to manage all your stuff in one place. Just snap a photo and we'll find and store your user manuals, receipts, and product information in one easy-to-find place!
"Like magic. I took a picture of the model number on my refrigerator, and the app identified it right away … Very convenient. I'm impressed." ★★★★★ - Clever Jeff
