Testing and Replacing the Ceramic Fuse in Your Microwave

Ceramic fuses are the most commonly used type of fuse found in electric household appliances, which in most cases means that your microwave-oven probably has one. The use of ceramic fuses is so popular thanks in part to their ability to ensure that an electrical surge is unable to harm the inner components of the microwave.

While protecting the microwave, a fuse can sometimes blow or melt which could be due to many causes, including a short circuit caused by severe voltage fluctuations. In most cases, the fuse will just simply need to be replaced, which the information in this article will show you how to do. If you feel uncomfortable at any time while working with the electrical portion of this job, don’t hesitate to contact a professional repairman to take a look for you.

Here are the tools you will need to grab in order to properly get started:

  • Voltmeter/ ohm meter
  • Fuse Replacement
  • Dry Cloth
  • Rubber or Plastic Gloves
  • Pliers

Step #1: Find the Ceramic Fuse Holder

First things first, put on your gloves and ensure that the surface is dry before beginning working. Turn off the main power supply and unplug your microwave, and turn the unit around to access the back portion. Some microwaves have dedicated fuse boxes of their own. Either way, you will need a screwdriver to remove the metallic plate that covers the electrical components of the microwave.

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4 Problems That Cause Microwaves to Turn On By Themselves

Microwaves have become one of the most modern appliances found in most homes. With their ease of use and time saving technology, microwaves have made all of our lives easier, especially when it comes to quick food preparation. But did you know that sometimes they can just turn on by themselves?

Many microwaves store enough energy to have the ability to turn on all by themselves, which can be a serious fire hazard. When this problem occurs, the entire unit or a small component of it needs to immediately be addressed and replaced. But that doesn’t mean you have to always call on a professional. Here are the top 4 reasons why a microwave may turn on by itself, and what you can do to address the problem on your own.

1.) Sensitive Heat Sensor Panel

On many models of microwaves the buttons are heat sensitive and can be triggered by even the warmth from the touch of your finger. For models that are placed under a range and over the stove, the heat can trigger these buttons to go off on their own.

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