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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)

Cheryl for Model Number PSC23MGSAWW

Fridge section cools fine. Freezer not freezing very well even though turned up to max of 9. Top shelf at about 20 degrees, bottom basket at 11-15 degrees, but did reach 6 degrees after being away from home for a month. Refer used to "moan". That has stopped. Fan down at bottom in back goes off when either door opened; otherwise it runs all the time. Water seems to be frozen in ice cube tray, but cubes not being dispensed (ice maker is turned on). A little bit of frost accumulation on back interior freezer panel.

1 Answer

Cheryl, You will want to pull the rear cover of the freezer compartment to check the frost pattern of the evaporator coils. The evaporator coils should have a full even pattern of frost on them. If not then you will want to check the condenser coils to ensure that they are clean and check to make sure that the condenser fan motor is operating. If the fan is not running you will want to check to make sure that it is getting power. If it is then replace the fan. IF coils are dirty they will need to be cleaned.

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1 Answer

Hello grandnational10. Based on the information you provided, if the unit is sticking in defrost, you will need to replace the main control board in the unit.

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1 Answer

Hello areadm10. Based on the information you provided, it sounds like the main control board is bad and will need to be replaced on the unit.

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1 Answer

Hello Jeff. You will need to check and see if the temp sensor is bad in the unit. You will want to do a resistance check on the thermistors in your unit. The thermistors should read a resistance of 62K ohms at 0 degrees, 24.48K ohms at 37 degrees and 10K ohms at 77 degrees.... more If outside of range then replace the thermistors. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html

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1 Answer

Lisa, You will want to check your thermistors for proper resistance. The resistance values of the thermistor should be at 0 degrees 42.5K ohms, at 37 degrees 14K ohms and at 77 degrees 5Kohms. If outside this range then the thermistor is faulty and would need to be replaced. If they check ok then the temp control board would be bad.

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1 Answer

Frank, To replace the temp sensor, you will need to cut the end off of the old sensor and remove the insulation from the ends of the 2 wires. You would trim the insulation from the wires on the new sensor and connect the old wiring to the new wiring either using appropriate butt connectors or bell connectors.

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1 Answer

Gary, The most likely cause of failure would be a bad thermistor or control board. You will want to do a resistance check on the thermistors in the freezer to make sure that they are good. The resistance values should be as follows: @ 0°F (-18°C) 42.5k ohms @ 37°F (3°C) 14.0k ohms @ 77°F (25°C) 4.92k ohms If outside this range then the thermistor is faulty and would need to be replaced. If within range then the control board would be issue.

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