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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

Paul, You'll need to check the Refrigerator damper assembly WR49X10091 and make sure the damper door is not broken or stuck in the open position, that would allow too much freezer temperature air into the fresh food compartment and cause things to freeze.

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1 Answer

Earl, You're describing a defrost issue. You'll need to conduct several tests to determine the failed component(s). It could be a faulty thermostat [WR50X10088] or a Main control board WR55X10560.

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Cris for Model Number PSS26NGPA BB

Dear Sir, A friend has this GE unit. He called me and said both the freezer and fridge stopped cooling. I instructed him to unplug the unit for 5 minutes to reset the main board and to keep an eye on it. He did so and the unit started cooling again. After about one day the unit stopped cooling again. He continued this process and every time the system would reset. After a while the system would stop cooling for about a day and then cool again only to stop again. The digital readout in the fridge shows "tc". Since there is no frost and the evaporator fans are blowing when in cooling cycle, should I consider that this may very well be a problem with the temperature sensor, or because both sides are affected should I be looking to the main control board?

1 Answer

Hello Cris. Based on the information you provided, if all fans are running, you will need to order and replace the main control board on the unit.

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1 Answer

Hello Joe,

You would not pull the thermistor out unless you are replacing it. The thermistor would have to be spliced into place once removed. You would check the thermistor at the control board. You may want to pull your tower from the refrigerator section and check the damper assembly WR49X10091 to see if the door on the damper is broken. This is the most likely cause for the unit to get too cold in the refrigerator section.

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1 Answer

Hello Lee,

You may want to check your damper assembly WR09X10050 to see if the door is broken. If the door is broken it will air to migrate to the refrigerator compartment causing freezing issues. Also check to make sure that the dameper door is not staying open. When you take the cover off with the door open the damper should close. If the damper is open then you need to replace the damper.

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1 Answer

Hello Joi,

You may want to check to see if the back wall of the freezer has frost building up on it. It may be necessary to remove the back cover to check. If the evaporator coils have heavy frost build up then you will need to check your defrost thermostat WR50X10068 and defrost heater WR51X10101 for continuity. If they both check out ok then you would need to replace the evaporator thermistor WR55X10025 and control board WR55X10942C.

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1 Answer

Hello Joe,

The correct evaporator fan motor for you unit without the sensor on it is WR60X10185. Some models have the sensor wire attached to the terminal for the evaporator thermistor. Your model is showing that the thermistor is not connected to the molex connector.

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1 Answer

Hello Lennet,

You sensors on this unit will be located on the left side wall of unit under 2 grills WR02X10647. If you are having a problem with freezing in the refrigerator compartment then you may also want to check the damper door in the duct assembly WR49X10091 to ensure that it is not broken. If broken then it will need to be replaced.

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1 Answer

Hello Tony,

Sounds like the technician left the door opened too long without unplugging it. The circuit will get hot and this can cause one of the sockets to over heat and lose connection. If the repair man was from a company that warrants its' work, you should call and see if they will come back and repair the mistake.

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