Microwave buttons not working: reasons and solutions

microwave not working but has power
Image Credits: Flickr

There is absolutely no doubt about the fact that a microwave is one of the most important appliances one has in his kitchen. The main reason behind this is its usability. We all use microwaves several times a day-to cook food, to heat dishes, heat water, make popcorns and bake cakes etc. However if anything goes wrong with it, our day to day kitchen activites and routine can suffer quite a lot. One of the common problems that may arise is problems with microwave buttons or touchpad. This is why we have come up with the main causes and solutions for anyone facing problem of microwave buttons not working.

1. Defective control panel

In most cases of microwave buttons not working, the common cause comes out to be defective control panel. If you wish to confirm whether this is the real issue, then for this you will have to press each of the buttons on the control panel. If some of the buttons are working fine while others are not then you may have to replace the touchpad and the control panel.

2. Problem with the membrane switch

Another possible cause of microwave buttons not working could be an issue with the membrane switch. The membrane switch is more commonly known as the touchpad and has a few soft touch electrical switches. There is a certain conductive coating on the touchpad which can go defective with repeated usage. To check this issue and to resolve it, you will need to unplug the appliance and remove the cabinet. Check the membrane switch using a multi meter for continuity. When pressed, it should show a few ohms of resistance. If not, you may need to get it replaced.

microwave touchpad

Image Credits: Flickr

3. Problem with the control board

If microwave buttons on your microwave are not working, then another possible reason behind this could be an issue with the control board. If the touchpad of your appliance does not respond but the display lights go on, then this could be the issue. The control board is responsible for generating a low voltage which is in turn supplied to the membrane switch.  In case the control board doesn’t generate a low voltage signal then you may need to replace it.  to replace the unit, you will first have to disconnect the main power supply and then remove the cabinet and the assembly.

The above given points were the three main causes along with their solutions to the problem of microwave buttons not working.  If you are able to detect the problem correctly, you can make the replacements on your own. However it is not advised for amateurs to try replacing microwave parts on their home. They must rather reach out to professionals or technicians who are easily available these days. All you need to do is to do a little search online or ask your friends or family. For microwave buttons not working, you can contact Mr Right.

READ ALSO:  Top 5 microwave usage mistakes people make

 

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