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Sharp r 8476 Carousel Microwave Oven

NO Panel Display

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9098 Answers

SOURCE: R-4H84 Sharp Carousel II microwave oven stoped working

A microwave can be dead for many reasons.

The fuse is normally located on the floor of the chassis behind the control panel or between the door switches.

If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open.

Then when it cools, it closes the circuit and allows power through again.

When checking thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it goes dead or blows the breaker when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

If it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder, or even an intermittent fuse.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on Jun 23, 2008

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  • 4 Answers

SOURCE: Sharp microwave oven LCD display malfunctions

Might or might not work. IT worked for me.

This is a common problem. i havent completly solved it yet but this helps.


Be very careful doing this, There is Voltages with AMPERAGES high enough to boil your blood inside a microwave.

I had mine apart cleaning it. Only one number worked on my display. I wiggled and messed around with the wires in the back of the display. And almost every number in the display works again. Hope this helps.

Posted on Mar 07, 2009

  • 38 Answers

SOURCE: Hi our Sahrp Carousel microwave LCD panle display is not working

You have to replace the control board. Sharp has had problems with the display boards for awhile. There is no bulb or fuse you can change.

Posted on Mar 15, 2009

  • 71 Answers

SOURCE: Sharp Carousel Microwave has no power

I too believe that a "protection fuse" was possibly blown. It would need to be found and get replaced. Hopefully it is just a fuse and nothing else because the way it sounds to me, the microwave may be damaged.

Good Luck!

Posted on Jun 11, 2009

  • 574 Answers

SOURCE: Sharp Microwave Oven Model R-403kk-T

Are you talking about the light inside the microwave? The front vent I think will allow you to get to the bulb. Should be a couple of small scrrews holding the vent cover on, remove them take vent off. Start it up again and see if the light bulb wiring or socket is arcing

Posted on Sep 17, 2009

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What are your sympotms? I repair those boards.

Feel free to contact me directly.

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pupista@gmail.com
http://www.microwavecontrol.com
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Assuming the unit works ok other than the display, you have a problem common to many Sharp models.

Check with www.microwavedisplay.com - lots of info on this issue and they offer a repair service for the boards at a very reasonable price.

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