Question about Sharp Microwave Ovens

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Is there a recall on Sharp Carousel Microwave R-530 LW series. I have one and it is so loud when I turn it on. It is like something is loose inside and rattling.

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We had an R-240 or R-250. I can't tell you which because the other night while not in use it caught our kitchen on fire. It was just plugged in and not in use. The insurance guy said that this can happen. Maybe don't buy the R series from Sharp. Or keep it unplugged when not in use.

Posted on Mar 06, 2010

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1 Answer

Sharp carousel R-930-AK microwave is sparking how to stop it afraid to use it


Sparking could be caused by something metallic inside the microwave! Check in side for anything metal like foil!

Nov 02, 2014 | Microwave Ovens

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How to fix loud hum and no heating in Sharp model R-308KW?


Hi,
There could be a variety of reasons why this happens, but the likeliest
reason is the secondary interlock or monitor switch is broken. These are micro switches that tell the microwave that the door is closed. If this switch is broken, then the microwave thinks the door is still open and the carousel table won't turn, and the oven will not heat up.
I replaced an interlock switch last Saturday. The switch was $7.00 and took me an hour.
Ask your local repair person to test the interlock and monitor switches first, then go from there.
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1 Answer

My sharp carousel microwave only works when I depress the door knob halfway down. What could be wrong ?


All microwaves have a safety lever or switch that prevents the unit from working if door is not closed all the way. Most of them you have to take the unit apart as access to it is from inside--what happens is when door is closed the latch or door moves the lever--seen a number where lever is loose or even the holder for it cracked.

Most shops are familiar with this and it should if the problem not be a real expensive repair.

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3 Answers

Built-in Sharp Carousel II Microwave Convection Oven died.


There are a couple of safety thermostats in the oven to shut down power if something overheats. One is on the magnetron tube (the microwave source), the other is on the cooking cavity. These sometimes go bad. There's also a power line fuse that may have failed, or become loose in its mounting clips. These can be tested with an ohmmeter; they should all measure very close to zero ohms if they're good.

Another possibility is that the control circuit board in the oven may have failed. I have worked on several Sharp ovens where the power transformer for the board has gone bad for no good reason. If the board goes bad the oven may appear to be dead as well.

Microwave servicing is best left to professionals. If you're thinking of keeping this one, take it to a service shop (or call for home service) and get an estimate. Then decide whether to repair or replace.

Hope this has helped a little. Thanks for using Fixya!

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2 Answers

Microwave popped and now does not heat


Okay, first we need to separate the situations. You were boiling water on the stove and had the range hood fan running to **** up the steam. Then you put something in the microwave to heat and you heard a pop and then zip-o.

The water on the stove has nothing to do with the situation, the fan you turn on is not part of the microwave, so it has nothing to do with the microwave.

The pop you heard and then the humming suggests the magnetron failed. You said you found a blow fuse and replaced it and still nothing, right? The magnetron is the most likely culprit...I would think it is safe to say that the magnetron shorted and drew enough current to blow the fuse.

Replace the magnetron and if that doesn't work, let me know here. Good Luck!

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1 Answer

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I'd try first just spraying some under the turntable as far back toward the center as you can get it -- run oven -- spray some more, etc., etc.

Charlie

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1 Answer

Loud pop and microwave doesn't heat anymore


I have a GE Profile Spacemaker model JVM3670WF001, purchased I think in 2003. Pop sound, no Heat. Light goes on, carousel goes around,
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1 Answer

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After pulling the plug, the housing will be fairly easy to remove with a half-dozen or so screws around the edge of the back panel.
If the fan is then accessible, you could block the blades with any insultating material and briefly turn the unit on. Keep fingers clear of ANY part inside; danger of electrocution. If the vibration is missing, then the fan is at fault.

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1 Answer

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Most likely a shorted capacitor and a blown fuse. Very common problem on that model.

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