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Sharp r-798 problem

My sharp microwave model r-798,sounds like it is working but it does not heat,also the turntable is not turning. I replaced the waveguide but this did'nt help. Is a repair possible?
thanks.

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I think i discoverd the problem, the bottom latch of the door had broken off but was being held in place within the door.When i checked the door switches i could see the bottom latch was not pressing the switch down because of the break.hopefully some super glue will suffice, if not i will need to get a replacement part.Reading some of the solutions of other posts greatly helped me.Hope this helps someone else.

Posted on Mar 24, 2008

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I hv a 24ltr Sharp Carasoul Microwave. Few days back, its plate stopped working, but its heating the food fine. Why has the plate stopped rotating? Will the food be evenly heated even though the plate...


> Why has the plate stopped rotating?

The turntable system typically consists of the motor, the coupler, the turntable support with rollers, and the tray.

Here is a video of how a turntable motor should sound when you rotate it by hand.

If yours is not set to be off via the control panel, and it won't rotate or it sounds like it's grinding, etc., you may have a bad motor or plastic coupler.

To replace either, you need to unplug power, then remove the bottom cover of the oven.

You order Sharp parts Encompass here or call them toll-free at 866-779-5835.

> Will the food be evenly heated even though the plate is not rotating?

No.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Sep 07, 2010 | Sharp R-1480 Microwave Oven

1 Answer

Sharp Carousel R-1481 Turntable


It may very well have have damaged the turntable motor.

The turntable system consists of the motor, the coupler, the turntable support with rollers, and the tray.

You can see and hear a video of how a turntable motor should sound when you rotate it by hand.

If yours is not set to be off via the control panel, and it won't rotate or it sounds like it's grinding, etc., you may have a bad motor or plastic coupler.

To replace either, you need to unplug power, then remove the bottom cover of the oven.

On many Sharp models, you have to cut the motor cover off with snips, then use a screw when reassembling it.


We have the service / repair manual for this model and have uploaded it to our site here to help you.

It will give you safety info, step by step help in disassembly, troubleshooting tips, and part numbers.

You will need the
free Acrobat Reader to view or print it in case you don't have it already.

The best place to order parts for this brand is Encompass (formerly Tritronics). Or you can call them toll-free at 866-779-5835.

Be sure if you cook an egg that you puncture the shell first so it can breathe.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Mar 01, 2009 | Microwave Ovens

1 Answer

Microwave not heating up


Check the door switch, when it is faulty the oven will turn on but turntable, fan and magnetron wont operate.

Regarding parts, contact the seller here to purchase parts.

You can also order from MicrowaveSvc , they also provide parts.

Jan 13, 2009 | Sharp R-1850A Convection/Microwave Oven

1 Answer

Sharp 1870 just quit cooking and no turntable


The fact that the microwave and convection both do not heat indicated that the oven is in demo mode, check the user manual, otherwise it will possibly be a relay not triggering, may need a pcb replacement, check Demo mode 1st....Phil

Jan 08, 2009 | Sharp Microwave Ovens

1 Answer

Turntable stop working along with microwave and convection oven


would be a door micro-swtch sharp part # Sharp Part Number: QSW-MA085WRE0

Jan 07, 2009 | Sharp R-1405 / R-140 Microwave Oven

1 Answer

Turntable does not turn.


The turntable system consists of the motor, the coupler, the turntable support with rollers, and the tray.

You can see and hear a video of how a turntable motor should sound when you rotate it by hand.

If yours is not set to be off via the control panel, and it won't rotate or it sounds like it's grinding, etc., you may have a bad motor or plastic coupler.

To replace either, you need to unplug power, then remove the bottom cover of the oven. In some brands, you have to cut the motor cover off with snips, then use a screw when reassembling it.

The best place to order Sharp parts is Tritronics. Or you can call them toll-free at 866-779-5835.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Dec 23, 2008 | Sharp R-530ES Microwave Oven

1 Answer

Microwave turntable won't turn


Most likely the turntable motor itself is bad - not an uncommon problem for that model.

Check with www.martinmicrowave.com (toll free 1-877-894-0035)

unfortunately, the particular motor used in your model is rather expensive - + - $50

Dec 23, 2008 | Sharp R-930AK Convection/Microwave Oven

2 Answers

MICROWAVE RUNNING. DON'T HEAT & TURNTABLE WON'T TURN


your magnatron needs replaced! (It may cost less for a new one then to fix this one!)

Dec 09, 2008 | Sharp R-930AK Convection/Microwave Oven

1 Answer

Sharp 1505 over counter microwave


It's almost certainly not a switch issue. If the primary interlock (lower door switch) were bad, the turntable and cooling fan would not come on and it would not heat.

If it heats, but the turntable won't work, the motor is likely bad.

The turntable system consists of the motor, the coupler, the turntable support with rollers, and the tray.

You can see and hear a video of how a turntable motor should sound when you rotate it by hand.

If yours won't rotate or it sounds like it's grinding, etc., you may have a bad motor or plastic coupler.

To replace either, you need to unplug power, then remove the bottom cover of the oven. In some brands, you have to cut the motor cover off with snips, then use a screw when reassembling it.

We have the complete service manual for this model and have uploaded it to our site here to help you.

You will need the free Acrobat Reader to view or print it in case you don't have it already.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Nov 07, 2008 | Sharp R-1505 Microwave Oven

1 Answer

My Sharp R-340D microwave works perfectly but Does NOT HEAT FOOD


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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Sep 22, 2008 | Sharp R-1610 Microwave Oven

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