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tragan1 01-01-2009 03:59 PM

Tappan Microwave

My Tappan microwave will lose power and shut off like we had a power outage, everytime I try to heat something, and the clock, fan, lights, all works except for the power setting button, I can press reset, and repeat it, I also tried to reset the clock, but that didn't help either. The unit is 2 years old. Does anyone have any ideas. Does this sound like a bad transformer?

Thanks, Tim

Gene 01-02-2009 01:59 PM

Hi Tim,

I'm afraid I did not get it clear. You closed the door, set the cooking time and pushed the Start button - what happened after?


tragan1 01-02-2009 02:10 PM

Hi Gene,

Thanks for the response. Sorry I might not have been clear. I close the door, set cook time, push the start button, it will run for maybe 3-4 seconds and shut off like the electric went off, the display will come back on to 00:00 and then show this on the display :0, I then can push clear a couple times, reset the clock and do it all again.


Gene 01-02-2009 02:40 PM

Sounds like there are leakage of Electromagnetic waves from the magnetron, interfering with the control board. The correction of such problem is replacing the magnetron.

- The part number for the magnetron is AP3960618

Here are the break down diagrams for the Tappan microwave Model TMV151FBA


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