How Do I Know If My Microwave Is Working Properly? [Updated 2023]

You are currently viewing How Do I Know If My Microwave Is Working Properly? [Updated 2023]

Do you want to know that “how do I know if my microwave is working properly”? So, you are at the right post. Are you suspected about your microwave oven of losing down on the job? Or you are facing some issues with your microwave, and you have to troubleshoot the problem with relative ease. Now you need to test whether your microwave is alright or not. That’s why you must be wondering to know that “how do I know if my microwave is working properly”? 

Here’s a quick and easy detailed guide to check if your microwave oven’s heating output working properly. A good start is to take a glance at your owner’s manual that comes with your microwave when you purchased it. With the help of this test your microwave. There are many things to learn about this topic so keep reading the article for further information. Let’s get started!

How Do I Know If My Microwave Is Working Properly?

Okay, so maybe you’re not quite sure what’s going on with your microwave. Maybe it’s just not heating things up as quickly as it used to, or maybe it seems to be giving off weird noises. But whatever the problem may be, don’t worry! We’re here to help.

Why Test a Microwave Oven?

Microwave Is Working Properly

If you are having any kind of microwave issues or you are suspected of the performance of your microwave then you need to run a series of tests on your microwave to determine what is wrong with it and how to fix it. The simple. You need to test your microwave oven with the meal. Any food that is cooked or has package instructions is a good thing for this test. So you need to Cook the food according to the instructions on the package.

For example, if that food needs to be cooked for four minutes for a 1,000-watt appliance, so make sure to do the same. If the food is fully cooked after following all the instructions that means your microwave heating is absolutely ok you need not be concerned about that but if the food is not completely cooked after the following of required temperature that means your oven is not heating adequately.

On the other hand, after following the instruction and your food will be overcooked, which mean there is something wrong with the temperature sensor of your microwave. You can also test your microwave by using the preset cooking time buttons, such as “Popcorn”. If your popcorn does not prepare them properly in an allotted cycle that simply means your microwave is not operating as it should.

Microwave Power Output Formula

If you are questioning whether your microwave is performing at the output it should be capable of as identified by the manufacturer, you can do a series of tests to find out. If you think that your food is undercooked or overcooked, give the microwave power output formula method a try.

JIS Microwave Power Method

Microwave Is Working Properly

 The JIS method is also an amazing way to test the performance of your microwave. Here is how to do this test:

  • First of all, you need to fill two small glasses of water at 68 degrees Fahrenheit. Must keep in mind that the amount of water should be the same.
  • Next, you need to measure the temperature of each bowl. You can find the average temperature after adding the two figures together and then dividing by two.
  • Now, this average temperature may go slightly, even if you put 68-degree water in that bowl to begin, as the temperature is subject to change.
  • Now it’s time to Cook this water for one minute in your microwave.
  • After one minute, you have to remove the water
  • Next, you need to stir this water well, and also measure the temperature of each again.
  • Here you need to find the average temperature of the cooked water.
  • Next, you can subtract the average start temperature from the average final temperature of cooked water.
  • Then you can multiply the results by 70.
  • This will yield the power of your microwave oven in watts according to the JIS method.
  • Now you have a better idea about the performance of your microwave.

Boiled Water Method

You can also test your microwave with the boiled water method. For an easier water test, you just need to place a glass of water in your microwave for 60 seconds at full temperature. The water starts to boil around the fixed time your minute of cooking is up. But this is dependent on many factors, such as the material of the placed glass, the exact amount of water in the glass, and the wattage of the microwave. However, you need to repeat this test many times continually and check whether the microwave boiled the water or not.


So if you want to test your microwave’s performance then you can try the above-mentioned test. We have explained these methods in detail. You can easily check whether your microwave is working properly or not. We hope this article will help you a lot in the case of “how do I know if my microwave is working properly.”

Sania Imtiaz

Hi, My name is Sania Imtiaz and I’m from Pakistan. I’m a housewife. And I Love cooking. And I’m a believer in making life peacefully with FOOD. I’m doing cocking from the last 10 years and I’m sharing all my knowledge related to cooking on I’m sharing all my experience on this site related to cooking products.

Leave a Reply