Part Location Diagram of 6500JB2001B LG Defrost Sensor Assembly
See part 610D in the diagram
( Grid squares measure 1x1 inch )
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Defrost Sensor Assembly

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$66.30
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PartSelect Number PS3529165
Manufacturer Part Number 6500JB2001B
Manufactured by LG
Troubleshooting
This part works with the following products:
Refrigerator, Freezer.
This part works with the following products:
LG, Kenmore.
Part# 6500JB2001B replaces these:
AP4441492, 6500JB1003G, 6500JB1005J, 6500JB2001X, 6500JK1003A, EAD62043201
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Questions and Answers

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Art
August 30, 2017
Can you tell me where the thermistor is located on this side-by-side refrigerator?
For model number LSC26905TT
PartSelect logo
Hi Art, Thank you for your inquiry. There is a cover on the wall toward the front of your appliance approximately in the middle portion, in both your fridge and freezer section. If you pop off this cover, you should see your thermistor there. Good luck with your repair.

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Jonathan
July 22, 2021
Our freezer is not defrosting. We had major ice build up behind the back panels where the fan is and where the coils are. We are also getting the error code on the display indicating a defrost issue (freezer lights 1-4 lit up). I tried putting in a replacement main pcb, which did not fix the problem. The original board had the large fuse blown. Just wondering what might be the most likely causes and how to troubleshoot?
For model number LSC26905SW
PartSelect logo
Hi Jonathan, Thank you for your question. If your freezer is not defrosting, you will need to check the defrost sensor and the defrost heater assembly to see which part is causing the issue. You will need to test these parts with a multimeter for continuity. Before removing these parts from the refrigerator and testing them, unplug the refrigerator from the electrical outlet and turn the water off. Before testing the defrost sensor, you will need to place it in ice water for 5 minutes in order to bring the temperature to 32 degrees F. The sensor will produce different readings at different temperatures, and the suggested ranges below only apply to sensors at a temperature of 32 degrees F. With the probes on the terminals and your multimeter set to Rx1, you should receive a reading of 16,600 ohms (+/- 5 percent). If you receive a reading outside this range, you will need a replacement sensor. For the defrost heater, set your multimeter to the Rx1 setting and place the leads on one terminal each. This should produce a reading anywhere in between zero and infinity. If you receive a reading of zero or infinity, you will need a replacement defrost heater. We hope this helps! Good luck with the repair!

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Joe
July 13, 2021
I get error code r dh everyday. Would defrost sensor 6500jb2001b take care of that issue?
For model number LMXS30796S/00
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Hello Joe, Thank you for the question. The R DH Error Code indicates that 80 minutes have passed since defrost, but the defrost sensor is not over 40 degrees. We suggest testing the Sensor. 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. We hope this helps!

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Thomas
February 12, 2019
I have an error code er dh on my refrigerator could you please let me know which part i need to purchase and replace.Thanks, thomas
For model number lfx259778st /00
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Hello Thomas, Thank you for contacting us. First you can try to reset the codes as it may just be a glitch. To do this press & hold Start for 5 seconds to clear the panel and unplug the unit for 30 seconds. Plug it back in and if the code does not reappear everything is fine. Should the code persist this is an indication that there is an issue with the defroster. Typically it would mean that the defrost mechanism has failed to reach 46°F within 2 hours to defrost ice in the freezer.

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Anthony
July 5, 2019
If both refrig and frezzer is frosting up no defrost that is would that mean board is bad
For model number LFXC24726S00
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Hello Anthony, thank you for inquiring. For this symptom you will want to consider either the Main PCB Assembly part PS11729025, the Defrost Sensor Assembly part PS3529165, or the Defrost Heater part PS11711920 for your model. We hope this helps.

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Greg
November 15, 2017
Where is this sensor located in this refrigerator
For model number LFXS30726S
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Hi Greg, Thank you for the question. The sensor is in the upper left had corner in the freezer section, behind the panel. Hope this helps!

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Dan
November 10, 2022
Using Smart Diagnosis, the system returned an error code F-ds. This appears to be the defrost sensor for the freezer compartment. I would guess that this sensor is positioned directly on the evaporator coils. Is this a part that is easily replaceable by a capable homeowner? What could go wrong during the replacement?
PartSelect logo
Hello Dan, thank you for your question. There is a sensor that is on the Freezer Evaporator and it is part PS11732655 and there is another sensor on the Refrigerator Evaporator that is part PS3599308. We do not have installation information. You may call a technician or check for a video on YouTube. We hope this information will help you.

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Duncan
March 24, 2018
My freezer has stopped making ice. Could this be a sensor problem or a solenoid problem? I have cleaned the sensor lenses in the freezer. Also the switch is turned on.
For model number LMX25988ST
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Hello Duncan, Thank you for your inquiry. We would recommend checking the following parts to fix your issue: water fill tubes, water inlet valve, filter and ice maker assembly. You can test the parts with a multimeter, and make sure that the tubes are not frozen, cracked or clogged. Hope this helps!

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Mildred
April 21, 2018
Hi, my fridge freezes everything even when i put it in the lowest. Freezer is fine. Can you please tell me if that is a temperature sensor. Thank you
For model number LSC27931ST
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Hello Mildred, Thank you for your inquiry. We are show that this is one of the top causes for the fridge being too cold, but the best way to test it is with a multimeter. Hope this helps!

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Terry
July 30, 2018
Is there some place I can get the resistance value for the temperature thermister? And do you carry the defrost sensor?
For model number 79571059011
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Hello Terry, Thank you for contacting us. I have researched the model you have provided and have found the part you’re looking for is PartSelect Number: PS3529165 for the Sensor. I looked through the parts list and was not able to locate a resistance value for the temperature thermister sorry. I suggest contacting the manufsacture directly to see if they are able to locate the part number you need and check back to see if we carry it for you. Hope this helps!

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Related Parts
Model Cross Reference
This part works with the following models:
PartSelect Number: PS3529165
Manufacturer Part Number: 6500JB2001B
Brand
Model Number
Description
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51022
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51023
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51026
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51032
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51034
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51036
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51039
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51072
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51073
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51074
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51076
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51079
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51086
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51089
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51093
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51099
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51312
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51313
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51314
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51316
Refrigerator
Customer Service Representative

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