Panasonic NN-H264 1200...no matter what program or time is set. The microwave starts or tries to start for two to three seconds then the display clears and stops. There is power to the display and control pad. Model NN S541WF does the very same thing.
I found sufficient information elsewhere.
I had the same problem it was the door switches.The metal the door switches mounts on was paper thin. When you closed the door the switches would flex to the right. This made the door hard to close and the switches would not work right . The microwave would time out after 3 seconds. I removed the cover with a star bit and a Phillips screwdriver. I bent the switches back perpendicular with the front of the oven. I then cut a notch in the end of a Popsickle stick . I then put the notch against the switches where a plastic alignment piece goes through them . The other end fits into the corner side of the frame after careful measurement for length. This keeps the thin metal that the switches are mounted on from bending outward. I then dip a Qtip in Vaseline and lube the two switch arms and the switches in the door frame. Be sure the rear end of Popsickle stick is square this way it wont fall out of place. Opening and closing the door will keep a slight pressure on the stick . My microware works perfect now for over a month so far. Its been 2 years now and still works perfect.
Could you please share the solution? I am having same problem.
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