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Customer Questions and Answers for Refrigerator Temperature Sensor by Ge

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Manufacturer Part
4.89 (64)
By: Ge
Part Number: OEM9556230
Manufacturer Part Number: WR55X10025

Fix uneven cooling or defrost issues with a new temperature sensor. Most DIYers complete this repair in under an hour with basic tools and our video.

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Questions & Answers

For Ge Refrigerator Temperature Sensor (Part Number: OEM9556230)

1 Answer

Hello Brian, the other thermistors are for fresh food section temp and deli drawer temp. To test dunk the thermistor in ice water (32deg) and check for about 16k ohms.

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1 Answer

Dolan, Check to make sure that the evaporator fan in the refrigerator section is running. This could be the cause if the fan is not operating to circulate the air, the fresh food drawer will be affected because of the evaporator sitting behind the drawers.

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1 Answer

Kimberly, The sensor replacements are the same part number for the one in the fresh food section and the one in the freezer section. it would be recommended that you check them with a multimeter prior to replacing them to determine if they are bad or if it is something else causing the issue.

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1 Answer

Raul, the fifth thermistor would be for the custom cool section when applicable. However, it would be recommended that the evaporator is inspected for a proper frost pattern and inspecting for proper airflow as it would be more likely that one of these things are going to be a cause.

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1 Answer

Ravi, as the main control and the freezer thermistor have been replaced, the only item left that would likely cause this issue is the refrigerator thermistor WR55X10025.

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1 Answer

Jim, There should be a sensor in the refrigerator behind the rear wall, a defrost sensor on both the refrigerator evaporator and freezer evaporator. One on the back wall of the freezer compartment.

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Stephen, This unit does not have any thermistors and only has one thermostat in the refrigerator housing. The thermostat part number will be WR09X10104.

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1 Answer

Debbie, it would be recommended that the freezer thermistor WR55X10025 and the refrigerator thermistor WR55X10025 are tested for resistance as they can cause this issue. At 77°F they should measure 5kO, at 59°F they should read 7.8kO, at 41°F they should read 12.7kO, and at 23°F they should measure 21kO. If they test good, the next step would be to test the defrost heater WR51X10055 as it should measure 18O. If these items test good, the failure would be in the main control WR55X10956.

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1 Answer

Rod, it would be recommended that the vents going from the fan to the door vent, as well as the return vent are inspected for any blockages. When the ice maker is on, the fan should turn on and off based on the timing set within the main control. It would also be recommended that the freezer and refrigerator temperatures are verified using a thermometer as either of these being off too much can cause the fan to only operate at 50% of normal.

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