Sharp R-1490 Microwave Oven Logo

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Anonymous Posted on Feb 04, 2014

Sharp Carousel 11 Model 1421 stopped working

Stop working

5 Related Answers

MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Apr 18, 2008

SOURCE: Sharp Carousel Microwave door latch stopped working door won't stay closed

Normally the problem is not the spring, but a broken spring mounting tab on the door latch head (hook) assembly or the inner door panel.

If it's the door panel, it's usually easier and cheaper to use epoxy and some kind of hardware to fashion a new spring mount.

The door latch head (hook) is easy to replace or repair if that's the issue.

We have *critical* safety & disassembly info at our site, linked here: http://tinyurl.com/yzjozk

We also have this full service manual at our site: http://www.microwavedisplay.com/R1480_R1481_R1482_sm.pdf

Normally you have to separate the door panels (as shown in the attached photo) and then you'll see the screws you need to remove.

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

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MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Jun 23, 2008

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.

Anonymous

  • 99 Answers
  • Posted on Oct 11, 2008

SOURCE: CAROUSEL STOPPED TURNING

Turntable motor req,Or drive shaft on top of this.

Anonymous

  • 1 Answer
  • Posted on Jan 05, 2010

SOURCE: full exact diagram of parts for sharp carousel II convention micr

Unit heat syncs and rotor is not working due to high voltage

Anonymous

  • 1970 Answers
  • Posted on Jul 07, 2010

SOURCE: User Manual Needed for Sharp Carousel Microwave Model R-303CW

mcdevito75 here, Best Bet, contact Sharp online, try sharp microwave oven.com Or in any store that sells Sharp microwave ovens get contact info off that package.

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My micro wave stop heating food, every thing dislay work fine. when start it make loud sound. Sharp carousel II, model = R-3A54, Manufacture jan,1993

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

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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.
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Sharp Carousel Model R-1440 won't shut off

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Glass window in the door appears to be leaking

Well to fix this problem you need to take it to a dealer.He will have tools to stop it from leaking.
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Microwave locked

On the R1490-series, you press Custom Help > "1" > Stop/Clear to turn the child lock off.

This may work for you, or press Custom Help and look for a lock option.

If your model does not have a Custom Help button, please reply back with your exact model.

We're happy to help and we appreciate your thoughtful rating of our answer.
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No heating, no clock, no timer, otherwise fine!

One of your door interlock switches is defective . I would suggest having it repaired by a qualified repair tech in your area.
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