Sharp R-405KS Stainless Steel Microwave Oven "case count down start" Questions

...count down. After a while, it begins heating again. It takes forever just to heat a bowl of chili. What can I do to fix it? It sounds like its over heating or the magnatron or the Hi voltage ...

count down when I push start but absolutely nothing else happens. What are my potential problems? I have tested the three door switches with a continuity meter and they all seem to be ok. I've changed

...Start, the turntable turns a few degrees in each direction, the light comes on, and a few soft sizzles or pops are heard behind the button pad, then the unit stops. The clock counts down a few more ...

is it timing down but not running. If that is the case probably bad door switches and bad connections to the switch. If it is running but no heat , possiblw bad magnetron or bad connections at the mag

...count down display flashes and flutters. The oven then stops and the display is ready for the clock to be set again. What do ya think? Fizz In this case I'm suspecting a bad magnetron that's emitting ...

case. I suspect a door switch or mount. Usually a unit with a bad door switch or switch mount will still count down when you press Start, but will not heat. The fan, turntable, and inside light may or

...down but the microwave won't turn on.oh! the door is closed tight.could you please help me in this area regards JAMES LAROSA When you say that the microwave won't turn on, can I assume that you mean ...

...count down without cooking for about a minute. If it works, then it's more likely to be a bad magnetron. If it still fails, it's probably a problem on the controller. We repair these nationwide by ...

...down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue. We have the service manual for this model and have uploaded it ...

...count down whatever is in the oven does not heat up. HELP !!! THANKS Sounds as though your Magnetron is not working. This is the heating part of the microwave and in most cases is not easily ...