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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)

Ash for Model Number GSH25JFXBBB

I need help with my GE side by side refrigerator (GSH25JFXBB). Few weeks back, the back panel in the freezer frosted over and foods in the fresh food section started freezing. Then one fine day it stopped cooling altogether. I unplugged it and let it defrost. After that it worked ok for two weeks and now it has started to freeze everything again. There is a little frost visible on the freezer coil panel. After researching online I checked the main board - unplug connectors and test for continuity. There is no continuity between J7 and J9. I also checked the J1 connector and all 3 thermistor circuits (5-2, 5-3, 5-4) seem to be open. So If I am correct then I need to replace the defrost heater and all 3 thermistors. Am I doing something wrong or is it normal for all these components to fail at the same time? Is there something else I need to look at? Thanks. Ash

1 Answer

Ash, You would want to do a resistance check on all of the thermistors and they should read 5K ohms at 77 degrees, 14.4K ohms at 36 degrees and 42.2K ohms at 0 degrees. You would also want to double check the heater by doing a continuity test at the heater itself. This will be a defrost issue that you are dealing with and it could be a bad limiter which should have continuity even when warm and if it does not it is faulty. If the heater has no continuity it is faulty. If all checks ok then the control board would be the issue.

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1 Answer

Diana, You will want to pull the custom cool section out of the unit and check to make sure that the damper WR60X10062 is not damaged. This will be the most common cause for your issue.

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1 Answer

Iblashaun, this unit does not have a thermistor that operates the defrost. The thermistor on this unit would only be for the cooling of the unit itself. As for the defrost thermostat and the defrost heater you will be checking them for continuity. If there is no continuity then the part would be bad and need to be replaced. If both have continuity then the issue will be the control board.

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1 Answer

Ruby, the WR55X10025 fresh food thermistor is located in the left wall of the fresh food compartment. The freezer thermistor is located in the right wall of the freezer compartment. To remove the thermistor cover, insert a fl at-blade screwdriver under the front of the cover and gently lift the bottom edge until it releases from the compartment wall. Should a thermistor require replacement, use plastic bell connectors (part # WR01X10466). Fill each connector with RTV102 silicone then splice a new thermistor into the harness

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1 Answer

Robert, First check and make sure both doors close and seal properly, especially along the bottom of the doors. As long as you have access to the heater, check and look for any discoloration or soot inside the glass tube especially near the rubbed covers on the end of the tube. Make sure there aren't any articles on the shelves or against the walls that would/could trap or redirect the air flow, or block the return air cover/tunnel. A long shot, check the defrost drain tube in the back of the refrigerator, if it has come loose or moved out of position, it could be sucking warm air from under the refrigerator and causing the bottom coils to ice over. If all's OK, then suspect the defrost timer WR9X489 / WR9X489.

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1 Answer

Richard, You can test the thermistor to see if the resistance is approximately 14.4K ohms at 36 degrees to determine if it is good. If it checks ok then the main control board would be the issue.

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1 Answer

David, On the walls of the freezer there will be a small vent looking piece that would be oval in shape and would be about 1 1/2" long. You will pop this cover off and the sensor will be under this cover.

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1 Answer

Hello Allan, Remove the sensor cover and pull out the sensor. The wires will have to be cut and spliced and the splices have to have grease on them to deter corrosion.

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Steve for Model Number GE PSS26NGPC WW

Hello. My refrigerator keeps running and does not shut off. I have verified that the compressor is running. The freezer set point is 4 degrees, but it will fall well below zero degrees. The refrigerator maintains set point at around 37 degrees. I tried increasing the freezer set point to eight degrees, but the compressor keeps running. If I try to increase the freezer set point above 8 degrees, the compressor will shutoff. What is wrong with this thing?

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