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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

Richard, You will want to check to make sure that the unit is defrosting. Pull the rear wall of the freezer compartment and check to make sure that the coils are not impacted with frost. If they are and you have already replaced the ADC board then you would want to replace the heater/thermostat assembly and defrost the coils. If when you replace the defrost board it was due to the coils being impacted with ice and you did not clear the coils then this would also cause the unit to continuously run.

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1 Answer

Hello. Sorry, but we only selll parts and do not offer service, so we can not give you the information you are needing.

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1 Answer

Hello Scott! The adaptive defrost control 61005988 is located in the refrigerator section inside the controls housing. Thanks.

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1 Answer

Carol, This is caused by a defrost failure. You will want to do a continuity test on the defrost heater and thermostat assembly WP61006199. If there is no continuity then you will need to replace the defrost and heater assembly. If there is continuity then you would need to replace the defrost control board 61005988. 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

Hello Ian, The unit incorporates an adaptive defrost and would go into defrost approximately every 12 hours. If you are having problems with unit defrosting you can test the defrost heater and thermostat for continuity. If there is continuity then you would need to replace the defrost control 61005988. If there is no continuity then you would need to replace the heater/thermostat assembly WP61006199.

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1 Answer

David, Is there a heavy frost or ice build up on the back of the freezer wall ? This would indicate a defrost issue . But your first check needs to be at the condenser 61005452 and condenser fan 833697. You'll need to move the refrigerator away from the wall, unplug the power cord,and remove the lower rear access panel. You'll need to clean out any debris on the inside and outside of the condenser, the fan, and the compressor, and the area. plug the power cord back in, turn the refrigerator on and make sure the fan runs at a high speed and moves the air through the condenser and over the compressor to cool it.

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1 Answer

Hello Dave, If the defrost control is removed you will not get voltage to the compressor.

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1 Answer

Hello Rich. If the unit is stuck in defrost, you will need to order and replace the defrost control board 61005988 in the unit.

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1 Answer

Hello DBone. No, that would be a bad water valve causing that. As for the defrost issue, and the buzzing, you will need to replace the board 61005988.

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1 Answer

Linda, Yes the refrigerator does have a cold control switch WP61005651. It's actually the freezer temperature control. The temperature in the refrigerator is controlled through the auto damper WP61005971. This is probably where the issue is, if the auto damper fails in the open position, the refrigerator compartment will get too cold and freeze. You'll al;so need to check the air return cover WP61006081 , behind the crisper drawers to see that the air flapper is opening and closing as designed.

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