Whirlpool Microwave Not Heating 

Whirlpool Microwave Not Heating: Causes and Solutions

Whirlpool Microwave Not Heating 
Whirlpool Microwave Not Heating

Whirlpool microwaves are a popular choice amon American households due to their efficiency, durability, and advanced features. However, like any other appliance, they can sometimes encounter issues, one of the most common being the microwave not heating. This article will delve into the reasons behind this problem and provide practical solutions to get your microwave back in working order.

Common Causes of a Whirlpool Microwave Not Heating

Several factors can cause your Whirlpool microwave not to heat. Here are the most comon ones:

  • Magnetron Failure: The magnetron is the component that generates the microwave heat. If it fails, your microwave will run but won’t heat the food.
  • High Voltage Diode or Capacitor: These components help provide the necessry voltage to the magnetron. If either of them is defective, the microwave may not heat.
  • Door Switch: If the door switch is faulty, it may prevent the microwave from heating even when the door is closed.
  • Control Board: A defective control board can also cause the microwave not to heat. However, this is rarely the case.

Troubleshooting a Whirlpool Microwave Not Heating

Before you decide to replace any parts, it’s essential to troubleshoot the issue. Here are some steps you can take:

  • Check the Power Supply: Ensure that the microwave is plugged in properly and the outlet is functioning.
  • Inspect the Door Switch: Make sure the door is closing properly. If not, the safety switch might be preventing the microwave from heating.
  • Test the High Voltage Diode: Using a multimeter, you can test the diode to see if it’s working correctly.
  • Examine the Magnetron: A faulty magnetron can cause the microwave not to heat. however, it’s best to have a professional check this as it can be dangerous to do it yourself.

Replacement Parts for “Whirlpool Microwave Not Heating”

If troubleshooting doesn’t solve the problem, you might need to replace some parts. here are the most commonly replaced parts when a Whirlpool microwave is not heating:

  • Magnetron
  • High Voltage Diode
  • Door Switch
  • Control Board

It’s recommended to use only genuine Whirlpool replacement parts to ensure the best performance and longevity of your microwave.

When to Call an Authorized Service

If you’re not comfortable troubleshooting or replacing parts yourself, it’s best to call an authorized Whirlpool service center. there are service centers in many provinces across America, and you can find the nearest one by calling the number specified on the company’s official website.


While a whirlpool microwave not heating can be a frustrating issue, it’s often something that can be fixed with a bit of troubleshooting or replacing a few parts. However, if you’re unsure, it’s always best to call in the professionals to avoid causing further damage to your appliance.

Note: The information provided in this article is collected from various online sources. There may be inaccuracies, so for the most accurate and up-to-date information, please visit the official Whirlpool website. The site owner is not responsible for any incorrect information or application based on this article.

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