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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)

Michael for Model Number PSC25NSTASS

Good morning, I just change the main board for my Refrigerator Model# PSC25NSTASS. I set the temperature correct to degree for freeze, but temperature keep rising up to 9-15 degrees and the refrigerator is 41-47 degrees to default limits. Also is leaking water down Refrigerator to the floor. I don't see any water on the freezer. Would you please help me which kind of temperatures sensor I should change and it on Freezer side or refrigerator side and what parts #? Thank you very much & Have a great day, Sincere, Michael

1 Answer

Hello Michael. It sounds like you may have sealed system failure and you will need an HVAC technician to come out and repair the unit for you. Thank you.

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1 Answer

Mark, Yes both the freezer and refrigerator have separate temperature sensors. The freezer actually has 2 in it. The one for the freezer temperature is under a little grill looking piece on the right side wall. There is also one on the evaporator coils that is for the purpose of the defrost control. The one in the refrigerator sections would be located under a cover on the right side wall.

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1 Answer

Ken, You will want to check the refrigerator sensor to ensure that the sensor is good. The resistance of the thermistor WR55X10025 should be 5K ohms at 77 degrees, 14.4K ohms at 36 degrees and 42.2K ohms at 0 degrees. If the resistance is not correct then the thermistor would need to be replaced.

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1 Answer

Steve, The most likely cause for the issue of temp being too high and the display showing 999 would be a faulty display board WR55X10522.

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1 Answer

Cort, This issue sounds like you may have a defrost issue. You will need to check the thermistor on the evaporator coil, the defrost limiter and the heater to make sure that they are all good.

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1 Answer

Karrissa, If the unit will not turn back on then the most likely cause for this will be a faulty main control board which is part number WR55X10942C.

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Hello Rich. Make sure you got the wires connected good and if so, the board or the damper may be bad on the unit. You will need to check both.

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1 Answer

Joe, You will want to check to make sure that the damper assembly is not damaged. If the door is staying open then this will cause items in the refrigerator section to freeze. If it is just the milk freezing then you will want to check to make sure that it is not sitting in front of the damper door which would cause freezing issue.

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1 Answer

Mike, You will want to remove the rear wall in the freezer compartment and test the defrost thermostat and defrost heater for continuity. If they both check ok then the issue will be the defrost control. The part number for the thermostat is W10854531, heater WPW10316428 and the defrost control WPW10392195.

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