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Customer Questions and Answers for Thermal Fuse by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18042057
Manufacturer Part Number: WP9759243

The Upper Oven Thermal Fuse is an OEM part compatible with Whirlpool double wall ovens. Located near the upper oven heating element, this safety device protects the upper oven cavity from excessive heat rises. If temperatures get too high, the fuse automatically cuts power to prevent overheating.

Symptoms of a blown upper oven thermal fuse include:

  • The upper oven failing to heat or losing total heating function
  • Burning smells emanating from the upper oven cavity
  • Safety shutdown errors related to over-temperature conditions

Common causes are airflow restriction trapping heat or faulty wiring allowing overheating. Natural aging also deteriorates fuses over extended use cycles.

Compatible brands include KitchenAid, Jenn-Air and some Kenmore wall oven models.

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Questions & Answers

For Whirlpool Thermal Fuse (Part Number: OEM18042057)

1 Answer

Hello Joe. If the oven does not heat, and they said the thermal overload 14-21-002 was bad, it should reapir the oven if you replace it. Hope this helps.

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1 Answer

Hello Enrico. If everything is testing good, then you will need to replace the clock assembly WP8302994 to repair the unit. Hope this helps.

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1 Answer

Hi Enrico. MOunted inside the back cover is a 2-wire oven thermal overload which will open and not allow proper operation. This part # is WP9759243. Thank you.

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1 Answer

Hello Enrico. Pull the oven out and remove the back cover. Test the fuse WP9759243 and see if the fuse is open. If so, you will need to replace the fuse. If it is good, and there is 240 volts coming to the oven, you will need to replace the control WP8302994. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. Hope this helps. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html

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1 Answer

Hello Burley. Check the thermal fuse WP9759243 on the back of the oven and see if it is blown. You can test this with a multi-meter MA-DM1. Hope this helps.

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1 Answer

Hello Thomas. If the thermal overload is blown, the oven will not heat. Also check and make sure you have 240 volts coming to the oven. Hope this helps.

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