Question about Welbilt MR670TB Microwave Oven
Sounds like your keypad is worn out, if you are able, this is most likely to be a modular part and could be replaced, (if you can find a replacement) the buttons are made of a thin deformed conductive sheet which makes contact when pressed to a flat layer underneath (seperated by an insulative layer) this flexable condictive layer becomes brittle with use and over time the edges of the flexable zones split. once that happens the button doesn't work you should be able to get a replacment keypad tho, or canabalise a dead one for the replacement keypad have fun :)
Posted on Aug 24, 2007
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Only some of the buttons on the Hotpoint microwave oven RVM143wk01 work. Could be a bad keypad or touchpad. How much does it cost to replace keypad?
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