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Customer Questions and Answers for Board Asm Main Control by Ge

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Manufacturer Part
4.89 (64)
By: Ge
Part Number: OEM21564309
Manufacturer Part Number: WR55X10942C

The Board Asm Main Control is an OEM replacement part for GE refrigerators. It serves as the electronic brain of the appliance, controlling and coordinating all the essential functions and operations of the refrigerator.

Causes of a bad refrigerator main control board can include electrical malfunctions, power surges, or physical damage due to moisture or impact over time.

Symptoms of a bad main control board include:

  • The refrigerator not powering on or responding to user inputs
  • Inconsistent temperature regulation or cooling performance
  • Error codes or fault indicators displayed on the control panel
  • Individual components or systems, like the ice maker or defrost cycle, not functioning properly

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

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Questions & Answers

For Ge Board Asm Main Control (Part Number: OEM21564309)

1 Answer

Hello Jim. To change the temperature, press and release the WARMER or COLDER pad. The SET light will come on and the display will show the set temperature. To change the temperature, tap either the WARMER or COLDER pad until the desired temperature is displayed. Refrigerator temperatures can be adjusted between 34°F and 47°F and the freezer temperatures can be adjusted between –6°F and +8°F. Once the desired temperature has been set, the temperature display will return to the actual refrigerator and freezer temperatures after 5 seconds. Several adjustments may be required. Each time you adjust controls, allow 24 hours for the refrigerator to reach the temperature you have set. To turn the cooling system off, tap the WARMER pad for either the refrigerator or the freezer until the display shows OFF. To turn the unit back on, press the COLDER pad for either the refrigerator or freezer. The SET light will illuminate on the side you selected. Then press the COLDER pad again (on the side where the SET light is illuminated) and it will go to the preset points of 0°F for the freezer and 37°F for the refrigerator. Setting either or both controls to OFF stops cooling in both the freezer and refrigerator compartments, but does not shut off electrical power to the refrigerator.

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Ken for Model Number GSH25JSTASS

My refrigerator started making a noise like a fan was going to high speed then low speed, it did this for about one month and now it stopped making the noise. The refrigerator side has gotten warmer except in the fresh food bins, things freeze in there. The water dispenser line has frozen behind the fresh food bins. I have read about the motherboard being defective and or the evaporator fan as being the problem. I checked the motherboard and I don't see any burnt areas. What should I do next. Thanks

1 Answer

Sarah, If the unit is not running at all then it sounds like the issue will be with the main control board. The part number for the main control board is WR55X10942C.

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Chris for Model Number PSS25SGNABS

Hello, I have a GE Fridge about 14 years old model number PSS25SGNABS serial# GD489809. I'm having an issue with the fridge side freezing produce, water etc (too cold) and the freezer side runs warm. Freezer 2-6 degrees while the fridge side is 25-27 degrees. I have replaced the motherboard and it didn't help but I also notice that the mother board may or may not need customizing depending on if its a single evaporator and single compressor model... Can you clarify this and do I need to make adjustments to the new mother board to fit my old fridge? Thanks, Chris

1 Answer

Chris, There is no modification needed for the control board. You will want to check the damper assembly in the refrigerator compartment to make sure that the door is not broken off of it. The freezer temp is within range of 2 to 6 degrees but you could test the thermistor to make sure that it is not defective. If the door of the damper is broken then you will need part number WR49X10091.

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1 Answer

Fred, With the compressor running but the unit is not cooling at all you will want to check the evaporator coils in the freezer. If there is very little frost on the evaporator coils then you will want to have service to check the unit due to a sealed system issue.

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1 Answer

Bill, The most likely cause for this issue would be a faulty display board with it going out slowly.

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Dustin C for Model Number GSL25JFXBLB

Our freezer stopped defrosting. We replaced the heater and bracket assembly, the defrost thermostat, thermistor and the main board and now it defrosts fine. When the defrost stopped working the ice maker and water dispenser also stopped working. I had assumed that the water lines had frozen and would start working when the defrost was fixed. Indeed, when we repaired and manually defrosted the freezer the water dispenser worked for one day but quit again and the ice maker didn't work after defrost. If you listen near the ice maker you can hear a whirring noise every few seconds. Any ideas on how to track down the problem?

1 Answer

Dustin, With the whirring noise coming from the icemaker but not making ice then it would be a faulty icemaker. If there is ice in the icemaker and the fingers are sitting on top of the ice then this would indicate a heater that has failed on the icemaker.

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