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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

Jim, You will want to test the temperature sensors to make sure that they are within range. The sensors should have a resistance value of 42.2K ohms @ 0 degrees, 14.4k ohms at 37 degrees and 5K ohms at 77 degrees. If not within range then replace the sensors and if within range then replace the main control board.

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1 Answer

Christopher, It sounds like you may have a defrost problem with the unit. Check and see if there is any frost build up on the back wall of the freezer. If so, you will need to test the defrost heater and the defrost thermostat. They should read closed for continuity when cold. You can test this with a multi-meter TJMA-DMT3. I will include a link at the end to assist you how to use the multi-meter if needed. If both parts are good, you will need to replace the defrost timer. Once the problem is repaired, you will need to thaw out the ice on the coils before the unit will operate properly. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html

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1 Answer

Roger, You will want to check the temperature sensors resistance to make sure that they are good. The Sensor resistance should be as follows: 42.2K ohms @ 0 degrees, 14.4K ohms at 37 degrees and 5K ohms @ 77 degrees. If the thermistors check ok then you will want to make sure that the unit is defrosting by checking the evaporator coils in the rear of the freezer compartment. If it is approximately every 8 to 12 hours that the unit shuts down then it may be sticking in the defrost cycle in which you would need a new control board.

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1 Answer

Paulo, It is possible that you have a faulty defrost sensor. You can check your defrost sensor for resistance. The resistance values should be 42.2K @ 0 degrees, 14.4K @ 37 degrees and 5K @ 77 degrees. If not within range then the thermistor is faulty and would need to be replaced. If it checks ok then the control board would be the issue.

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1 Answer

Hello Randy. Check and see if there is a sruck button on the temp board WR55X10340. If so, it will cause the issues you are having with the unit.

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1 Answer

Hello SgtJoe. It sounds like the senosr may be going bad and need to be replaced in the unit. It should only be about 3% off to be working properly.

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Thomas for Model Number ge monogram ziss480d

Our refrigerator was not cooling. Our technician replaced the Inverter. It worked for 2 days, then the compressor went dead. Then he replaced the compressor. It worked for 2 days then the compressor became very hot then the refrigerator stopped cooling again. The main board was tested, and J15 is good. There is power into the inverter but no power out to compressor. The compressor coil tested and at 7.1 ohms. Does this mean the compressor is dead? Why did the compressor went hot after it was replaced?

1 Answer

Thomas, Because there is power going into the inverter board but nothing coming out, this would be a bad inverter board. You will want to check to make sure that the condenser fan motor is operational. If not then this could cause the compressor to shut down prematurely. It is possible that the original compressor was faulty and caused the inverter to fail. If this is the case and the same compressor ran off the new inverter for 2 days then this could have damage the new inverter causing it to fail again.

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1 Answer

Derek, It could be an issue of the thermistor/temp sensors being faulty. You can check the resistance value of the thermistors and see if they fall within range. The resistance values should be at 77 degrees 5K ohms, at 37 degrees 14.4K ohms and at 0 degrees 42.2k ohms.

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