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Customer Questions and Answers for Defrost Timer Kit by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM12740400
Manufacturer Part Number: R0131577

The Refrigerator Defrost Timer is an OEM Replacement Part designed to manage the automatic defrost system in Whirlpool freezers. Housed at the top inside of the appliance, this component shuts off the cooling system and activates the defrost heater. The timer operates at 120V 60Hz and activates for 33 minutes every 8 hours. The dial on the timer can be turned clockwise to advance it into and out of defrost.

Causes of a faulty Defrost Timer Kit can include electrical issues, mechanical wear and tear over time, or problems with the timer's internal components.

Symptoms of a bad Defrost Timer Kit include:

  • Freezer not defrosting properly, leading to excessive ice buildup
  • Refrigerator running constantly or not cooling effectively
  • Condensation or moisture issues inside the refrigerator
  • Error codes related to the defrost system

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

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Questions & Answers

For Whirlpool Defrost Timer Kit (Part Number: OEM12740400)

1 Answer

Jon, your model does not use a defrost timer. Your model uses a jazz board, which now comes in a kit as part number WPW10503278. The electronic control is located in the control section of the refrigerator side of your appliance. Hope this helps you. Thanks.

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1 Answer

Hello Bob. Most likely, the coils are froze due to the bad door gasket on the unit. You need to replace the door gasket on the unit. Then melt off the ice and see if the conditions improve on the unit.

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1 Answer

Hello Cathy. Check the evaporator fan motor to make sure it is running properly, and make sure all the vents and returns for the air flow inside the unit are good. Thanks.

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1 Answer

Hello Jackie. Check the wiring, and the cold control for the unit. It sounds more like a control issue. By unplugging it, you are resetting it.

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1 Answer

Hello Thinh. Sorry, we do not offer parts for that model and we are unable to ship outside of the US or Puerto Rico at this time. We will need a US physical address to ship parts to.

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1 Answer

Victor, 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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