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Customer Questions and Answers for Defrost Control Board by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM12211218
Manufacturer Part Number: 61005988

Adaptive defrost control board.

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Questions & Answers

For Whirlpool Defrost Control Board (Part Number: OEM12211218)

1 Answer

John, You will want to check the evaporator coils to ensure that the coils are not impacted with ice. If they are then test the heater and the thermostat for continuity. If there is continuity then replace the defrost control board 61005988.

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1 Answer

Hello Rick. It sounds like you may have a defrost problem with the unit. Check and see if there is any frost build up on the evaporator coils in 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 control board. 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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Badams9349 for Model Number MSD2756GEW

For the past few months the side by side Maytag has been making a, ZZZZZZZZ sound every few days. The sound is loud enough to be heard when the unit is all shut up. However there were no issues. When it would make this sound I would try to track it down to it location. It was coming from the upper right corner under the control plate. In the very corner. As I think I have learned tonight this is the area where the Adaptive Defrost control is. Today there is no ZZZZZZZ sound but the fresh food side is warm, freezer is cold. My thought is the ADC has failed, and the coils are frosting over. Thus the warm side. My question is does it seem that I am on the right track? Would it be normal for the board to make a ZZZZZZ sound as it was in its last months?

1 Answer

Hello Badams9349. Yes, based on the information you provided, you will need to order and replace the ADC on the unit.

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1 Answer

Hello John. Disconnect the unit from the power source. 2. Open the fresh food door and remove any items on the top shelf. 3. Remove the light shield cover by pulling down on the back corners of the cover and sliding the cover forward. 4. Remove the fascia/radiant shield mounting screws. Remove the control housing mounting screw at the back of the control housing. Slide the control housing to the right and lower it from the control housing supports. 5. Disconnect the temperature control housing electrical quick disconnects. 6. Remove the temperature control housing from the refrigerator and place on a flat work surface. 7. Remove the two timer mounting screws.8. Disconnect the electrical connector from the timer. 9. Install the replacement timer in reverse order of removal.

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1 Answer

Hello John. It is located in the control section of the fresh food. You will need to drop down the controls to access and replace the part.

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1 Answer

Steve, 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

Carrie, If the tech checked everything in the freezer compartment, including the evaporator fan and motor WP61005339, then you'll need to remove the ceiling in the refrigerator compartment and check or replace the auto damper WP61005991 on the left side wall. The door of the damper could be "stuck" closed, or the diaphragm has failed and not allowing the cold air to enter the refrigerator compartment.

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