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Why Are There Sparks In My Microwave?

microwave repair

Why Are There Sparks In My Microwave?

Have you ever noticed sparks inside your microwave while heating up your favourite meal? Before you hit the panic button and assume your microwave is on the verge of self-destruction, take a moment to understand why this phenomenon occurs. In this article, we'll delve into the science behind those pesky sparks, explore common reasons for their appearance, and provide guidance on when it's time to call in professional help.

"Why Are There Sparks In My Microwave?" – a question that has left many perplexed and concerned, but fear not, we have the answers you seek!

From the basic principles of microwaves to the potential hazards of damaged appliances, we'll provide a comprehensive overview of what's happening when you see sparks in your microwave. Let's uncover the mystery behind those little flashes and ensure the safe operation of your trusty kitchen companion.

Understanding Microwaves and How They Work

Microwaves are a type of electromagnetic wave that falls between radio waves and infrared waves in the electromagnetic spectrum. These waves have a unique ability to heat food by causing water, fat, and sugar molecules to vibrate and produce heat. The microwave oven, as we know it today, was invented in the 1940s and has since become an essential appliance in most kitchens.

The inside of a microwave oven is designed to contain these microwaves, with the metal walls acting as a shield and the turntable ensuring even heating. However, when sparks appear, it usually indicates that something is amiss within the oven itself or with the items we've placed inside to heat.


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Common Causes of Sparks in Your Microwave

There are several reasons why sparks might appear while using your microwave. Some of the most common causes include:

  • Metal objects: Microwaves and metal are not friends. When metal objects like foil, utensils, or containers with metallic elements are placed inside the microwave, they can cause the microwaves to bounce around erratically, leading to sparks and potential damage.
  • Food splatter and debris: Over time, food particles can accumulate on the interior walls and floor of the microwave. These particles can absorb microwaves and produce sparks if not cleaned regularly.
  • Cracked or damaged waveguide cover: The waveguide cover is a thin sheet of material that helps distribute microwaves evenly within the oven. If it becomes cracked or damaged, microwaves can escape and cause sparks.
  • Malfunctioning components: Sometimes, the cause of the sparking might be a faulty component within the microwave itself, such as a damaged magnetron or capacitor.

How to Prevent and Address Microwave Sparks

Now that we know the potential sources of sparks in a microwave, let's discuss how to prevent them and address any issues that might arise:

  1. Avoid using metal: As a rule of thumb, never place metal objects or containers with metallic elements inside the microwave. Opt for microwave-safe dishes and utensils instead.
  2. Clean regularly: Keep the interior of your microwave clean by wiping it down with a damp cloth or sponge after each use. This will help prevent food particles from accumulating and causing sparks.
  3. Inspect waveguide cover: Check the waveguide cover for damage periodically and replace it if necessary. You can find replacement covers online or at appliance stores.
  4. Seek professional help: If you suspect a malfunctioning component within your microwave, it's best to consult a professional technician to diagnose and repair the issue. Attempting repairs on your own could be dangerous and void any warranties.

In conclusion, sparks in your microwave are often a sign of an underlying issue that needs to be addressed. By understanding the causes of these sparks and taking appropriate preventative measures, you can ensure the safe and efficient operation of your kitchen appliance. Remember, if you're ever unsure about the cause of the sparks or how to resolve them, it's always best to consult a professional technician.



Why Use Repair Giant to Fix Your Microwave

When your microwave is broken, you need someone that you can trust to fix it. Below are just a few of the reasons to trust Repair Giant.

  • We repair all major brands, including AEG, Beko, Samsung, LG, and Bosch, and many more.
  • Repairs are cheaper and better for the planet than replacements
  • We have excellent reviews and testimonials
  • Same or next-day appointments
  • Fixed fees and one-off labour charges, with clear, easy to understand pricing
  • We’re local engineers with over 15 years of experience
  • Friendly and knowledgeable staff
  • Fast and reliable service
  • Six months guarantee on all repairs performed

If you need your microwave repaired or have any further questions, get in touch with us on 0207 267 7230 or fill in our online form for a FREE quote today.

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