Question about Sharp R-765 900 Watts Microwave Oven

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Timer problems Although I have never used it, I think the "Minute Start" function is operating. Whatever time I set, the machine will only run for a minute at a time. I have to keep pressing the "start" button to continue to the end of selected time. I haven't really tried anything to correct this, as I have no idea where to start! Any ideas?

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Re: Timer problems

You probably have a bad damper switch, damper motor or damper. See the attached sample drawing. You can order parts for Sharp models from Tritronics at

Posted on Sep 22, 2007

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