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Sharp carousel microwave reset

I have a Sharp carousel microwave oven that will not reset after being unplug briefly. The numbers flash and thats it. Tried unplugging it for a while but this did not change anythting. Thx

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  • Teola Brown Aug 01, 2013

    I unplugged the microwave for a few minutes and plugged it back in to use it but the panel flashes and I am unable to reset it. The panel flashes and non of the number buttons will operate for use.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9047 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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MicrowaveSvc
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SOURCE: My Sharp Carousel R-510HW 1200

On these models, the LCD is connected to the main control board via a rubber connector known as a "zebra strip".

Sometimes the connections can get contaminated.

One can take the control board off and clean the contact surfaces of the board, the edges of the zebra strip and the connection side of the LCD glass with high-grade isopropyl alcohol.

See drawing below.

If you don't want to tackle this, we do it for $39.95 for customers nationwide.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

66ee163.jpg

Posted on Jul 08, 2008

  • 1 Answer

SOURCE: Control Panel for Sharp Carousel Microwave Oven

would you help me to find..
driver Acer Nplify 802.11b/g/Draft-N WLAN

Posted on May 07, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: Sharp Carousel Model R-1440 won't stop running

It may be a sticking door switch (upper or lower, not the middle one) or the mount of one of those switches may be loose, broken or out of alignment.

See these files:
http://www.microwavedisplay.com/safety.txt
http://www.microwavedisplay.com/disassembly.txt
http://www.microwavedisplay.com/doorsw.txt

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Then you can get to the switches.

Or it may be a sticking relay on the control board. We regularly repair these control units for customers nationwide by mail for $39.95 postpaid in about a week or so with a one-year guarantee.

If during this unwanted operation the oven lamp, internal cooling fan, and stirrer are all stuck on, but the turntable is not on moving and the oven is not actually cooking, then I would suspect relay RY1 on the control board is stuck.

That's what I suspect in your case.

Posted on Dec 13, 2009

  • 1 Answer

SOURCE: Wattage Sharp Microwave Ovens Carousel Model R-3A35

i just checked my R-3A36 manual to find out the wattage. it's 800 watts. i make pralines in my microwave. i am always asked for the recipe. so i needed to be able to tell people the wattage of my oven so they can adjust the recipe to their oven.
garry, metairie,la.

Posted on Dec 14, 2009

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