Question about Microwave Ovens
Hi, Yesterday all of a sudden some of the touch keypads on my microwave stopped working. I can not even use the clear button. I can put in for example 3 minutes etc. but I have to use all that time before I can enter another time as I can not clear it. It seems only buttons I can use are numbers on high and start, no defrost etc. I am hoping there is just a circuit board that can be replaced easily. Any help would be greatly appreciated!! Thanks
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Posted on Jan 02, 2017
It sounds like the keypad is worn out. The fact that you can get them to work sometimes by what direction you push on them, tells me that the contacts are not working correctly.
Did you have this problem prior to the fuse blowing or did it start after you replaced the fuse?
I don't believe the fuse blowing is related to the keypad problem. I also don't believe that you have a microprocessor problem because you say that the function buttons work but the number keys don't work right. If the microprocessor was faulty, it would not be able to read any of the keys.
The fact that the number keys are not working doesn't surprise me. When you go to cook something, you will press the number keys several times, while only pressing start or stop once. This is why your number keys have worn out first. These keys have a limited number of cycles (presses) and it sounds like its time for a new keypad.
Please let me know if I can be of further assistance to you.
Posted on Feb 21, 2008
SOURCE: Panasonic microwave start button
You may have a sticky door switch. Try a simple "slamming" of the door, don't over do it, just a little harder than normal. This may help pop the plunger in the switch back up. The switch could have also become loose and moved out of its adjustment.
If this does not help, a technician should save you time and money with this sometimes perplexing problem.
Posted on May 24, 2008
Same thing happened to us. We just came back from Sears, where we bought another. Just for giggles, my wife suggested unplugging the old one and plugging it back in again. It works now. New one's going back to the store.
Posted on Aug 16, 2008
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