What it does. Why it matters. Everything you need to know for an easy fix.
Defrost Sensor Specifications
The Samsung Defrost Sensor (DA32-10105R) is a genuine part designed specifically for Samsung refrigerators. This sensor, sometimes referred to as a defrost thermostat or defrost temperature sensor, is an integral part of your refrigerator's defrost system.
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Easy
1- 2 hours
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Ice Build up behind refrigerator internal panel
5 of 7 peoplefound this instruction helpful.
David from WILMINGTON, DE
Really Easy
More than 2 hours
Pliers, Screw drivers
I performed the repair to my own refrigerator, after watching multiple YouTube videos. I installed a secondary heater for the defrost coils and replaced the defrost sensor. The defrost sensor was actually bad. Today, 1/27/2024 I rechecked the fix from last week. All seems to be good so far.
If I get any build up of any ice on t
... Read morehe bottom tray of the recessed panel where the drain port is located. I suspect I will also need a new Defrost Heater as well. For now the refrigerator is operating as expected. There is a small amount of ice build up as of today.
Also, I had recently replaced the drain tubes, added a longer heater element part to fit the drain hole, and cleaned the fins in the back of the refrigerator. Thank you.
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Refrigerator side wasn't cooling properly. Was staying at 55 degrees.
4 of 17 peoplefound this instruction helpful.
Robert from Simi Valley, CA
A Bit Difficult
1- 2 hours
Pliers, Screw drivers
Took off the plastic panel in the interior. As usual, the evaporator was completely iced up. Took most of the time to de-ice it with a heat gun. Tested the components and the temperature sensor was bad which is on the top end of the evaporator fins. The ohms test wasn't any different whether hot or cold. I keep a spare sensor on hand beca
... Read moreuse this is the third time one of the sensors have failed. The proper readings are available by doing some internet searching. Its been two weeks since I worked on it and everything is working fine.
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Fridge side no longer cooled, freezer still workekd fine.
3 of 5 peoplefound this instruction helpful.
Roger from Belle Fourche, SD
Easy
1- 2 hours
Screw drivers
A couple of blogs said the freezer defrost sensor should be replaced, so I ordered one. Did not fix it. I did, however find a service manual online and one of the blog sites and it showed me how to remove the inside duct work. I discovered the fan the recirculates the air across the evaporator coil was not working. Ordered a new fan mo
... Read moretor and installed it, fridge works perfectly now.
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Refrigerator Temperature Blinking
0 of 3 peoplefound this instruction helpful.
Christopher from Queen Creek, AZ
Easy
1- 2 hours
Screw drivers
I removed all of the internal shelves from the refrigerator side. I then removed the cooling panels from the bottom area. this exposed the fan assembly and cooler. I found ice all over the unit. I had to unplug the refrigerator and used a hair dryer to melt the ice away. I then found the sensor and replace it. After putting the refrigerat
... Read moreor back together, I plugged it in and let it cool overnight. I also put a thermometer to validate that cooling was stable. it has been a week with the new sensor and the refrigerator has not frozen over and has been very stable.
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DIY Questions and Expert Answers
8 questions answered by our Repair Experts.
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Scott - For model number RS2533SW/XAA
July 31, 2017
Freezer is working (cold -2), refrigerator is 62 deg, nothing is blocking the vents inside, coils have been cleaned (they were not very dirty). The fan near the coils (bottom rear of unit is not running. Any suggestions?
Hi Scott,
Thank you for your question. The most common problem with the the Fresh Food section not cooling and becoming to warm on this model number is the temperature sensor. Part number PS4138681.
Hope this helps!
4 peoplefound this instruction helpful.
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Ernest - For model number RS267LBBP/XAA
February 6, 2018
Fridge stays 46° near bottom. Lot warmer at top. Freezer is fine. I have turned temp to 34° and it stays there on panel but says 46° when i hit temp bottom twice for fridg. Temp sensor gone? Where is it?
Hi Ernest,
Thank you for your question. If the refrigerator is too warm, there are some parts that you will need to check to see which one is causing the issue. You will need to check the temperature sensor, the thermal fuse and the evaporator fan motor. I hope this helps. Thank you and have a great day!
1 personfound this instruction helpful.
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Diana - For model number RB1855SW
February 10, 2018
My refrigerator is on the top, while the freezer on the bottom. The fridge is at 46 degrees, the freezer at -10 degrees. There is a beeping noise which sounds like it is coming from the temperature control panel located on the freezer door. The fridge light is out. I unplugged it for a few minutes. I plugged it back in and the light comes back on, then beeps again. Please help me?
Hello Diana,
Thanks for your question. The door is being detected as open, which is causing both the beep and the lights to go out. This is typically due to a faulty door sensor, which is part of the main control board.
I hope this helps.
Does this sensor help with water tank freezing and water not coming out on door. Fridge coils freeze.
Hi Susan, Thank you for the question. This could be the issue but I suggest testing the sensor to verify. At room temperature, your thermistor should read 5.1k ohms. Hope this helps!
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Jorge - For model number RB1855SW
March 14, 2018
The refrigerator temperature is warm and the door alarm not stop
Hello Jorge, thank you for your question. There are a few parts you will want to check first. Check to see if the evaporator fan motor is running. This part pushes air into the fridge from the freezer to cool the fridge section. Check to see if the evaporator coils are frosted up, which can cause the unit to not cool properly. There is also a temperature sensor in the fridge and freezer that can be tested to see if they are functioning or not. I hope this helps!
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Christopher - For model number Rs2630sh
May 6, 2023
This model currently will keep things frozen but it won’t make ice refrigerator is warmer than it should be and it seems as though the circulating fan is not working at all I see the port select has the fan motor and I guess the temperature sensor available will these fix this problem
Hi Christopher, thank you for asking. We would recommend checking the temperature sensor, part number PS4138681, to solve the cooling issue. To fix the ice maker issue, you may need to replace the water filter, part number PS4138214. We hope this helps, good luck with this repair!
Not cooling on either side. Freezer side temperature flashing. Refrigerator side not flashing but not cooling either
Hi Tom, thank you for your question. The most common problem with the the Fresh Food section not cooling and becoming to warm on this model number is the temperature sensor Number PS4138701. We hope this helps.
How many total temperature sensors are there, and where are they located? I know of 1 on the evaporator coils in the freezer compartment, and 1 on the evaporator coils in the fresh foods compartment.
Hello Matthew, thank you for writing. The Sensor PS4138681 which is on the top end of the evaporator fins. The Sensor PS4138701 is located at the back of the Freezer under a cover. We hope this helps.
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