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Sharp R-340H Microwave has power but does not heat food. Carousel working.

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The magnetron is the likely problem, "heats food" the other two items to check is the high voltage capacitor and diode. It usually is cheaper to replace.

Posted on Apr 06, 2011

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Posted on Jan 02, 2017

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My sharp carousel II microwave no longer heats food. Do I need to buy a new one?


The problem maybe the magnetron, or the inverter board if 7 years old or less, and possibly the keypad control board, by the time you add parts and labour cheaper to replace the microwave oven in the long run.

May 07, 2012 | Sharp Carousel R530EST Microwave Oven

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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

heatman101
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Jul 27, 2011 | Maytag MMC5000 Microwave Oven

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It just stopped & the power went off as I was re-heating food. The rest of the power in the kitchen stayed on.


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

Microwave Oven Basic Troubleshooting Tips

heatman101 ,./
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Mar 22, 2011 | Sharp Carousel R530EST Microwave Oven

1 Answer

My sharp R-340H no longer cooks. Still powers up


Please check the door safety interlock switches ...

If the switches are faulty, the oven thinks the door is open and will not turn on the heat ...

Find them indice hear the latch assembly.

Jul 09, 2010 | Sharp R-340 Microwave Oven

1 Answer

Sharp carousel microwave model # 508ak has power but does not heat food when you press the start button. thanks in advance!


9 times out of 10 this is usually this is a bad magnetron, the other time is sometimes a bad high voltage diode. See components section. Q - My microwave is running and sounds like it is working but will not heat up anything.
A - Many thing can do this but, common things are....loose high voltage wire.....poor solder joint on board.....magnetron.....power relay.....

Q - The microwave display counts down and the inside light is on, but nothing is heating and the fan is not running.
A - This most commonly is a bad door switch, other possible problems are a faulty relay or solder joint on the power module, but a bad door switch is most common.
thanks.

Jul 11, 2009 | Sharp R-510HW Microwave Oven

1 Answer

It's not getting heat and LCD looks like there's water inside.


On most Sharp Carousel Microwaves, the display stops working after time. As for the not getting any heat, the magnetron or the high voltage transformer may not be working.

Jul 04, 2009 | Sharp R-510HW Microwave Oven

1 Answer

Sharp carousel r-508ak - does not heat up the food


You probably have a defective magnetron or blown fuse supply power to magnetron.

May 12, 2009 | Microwave Ovens

2 Answers

Sharp Carousel Microwave Model R520-LK timer will run but carousel doesn't turn and food doesn't heat.


I also have the Sharp Carosoul oven, symptoms - fan runs, controls are fine but the turntable stopped turning and it did not heat. It was not the switches, fuse, but in fact a sagging door that misaligned with the door switches. The true cause was a warn top hinge. As a temporary fix, I adjusted the bottom hinge (3 screws underneath), straightened the door, and now it works again.

Dec 16, 2008 | Sharp Microwave Ovens

1 Answer

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.

Oct 04, 2007 | Sharp R-1500 Microwave Oven

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