Microwaves are one of the most used appliances people have in their homes so when they stop working it is incredibly disruptive, not to mention, time-consuming to repair or replace with a new one.
One of the most common problems people have with their microwaves is when the buttons stop working. When this happens, you probably won’t be able to use your microwave at all until the problem is fixed.
The top three reasons why your buttons stop working are a defective control panel, a broken membrane switch, or a faulty main control board. In this article, we discuss these causes and provide a solution for each one.
The most common cause of your microwave buttons not working is a faulty control panel. If you press all of the buttons and only some work, this is a good sign the control panel is defective and will need to be replaced as they are difficult to repair.
If you are experienced working on appliances like microwaves, replacing the control panel is a relatively easy repair to make. But you need to take extreme caution as working on microwaves poses a risk of electric shocks.
Here’s how to replace the control panel:
The next possible cause of your microwave buttons not working is a faulty membrane switch. The membrane switch (sometimes called the touchpad) has several small switches on it that when pressed send a signal to the control board. Sometimes the switch can become defective, which stops the buttons from working.
Here’s how to check the membrane switch:
The final component that might be causing the buttons to not work is the main control board. The main control board sends voltage to the membrane switch so that the buttons you press work. When the main control board stops working correctly, the buttons won’t be able to work, and your microwave will most likely not be able to do what you want it to do. Replacing the main control board is doable, but if your microwave is old, you might be better off purchasing a new model.
To replace the main control board, you’ll need to:
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