Question about Sharp R-1880LS 850 Watts Microwave Oven

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I have a Sharp 1880 L It just quit heating microwave & convection. The fan inside seems to be running but no heat. The light inside is on. The turntable is not moving when it is in the on position. Any ideas? Thanks

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Posted on Jan 02, 2017

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  • 36 Answers

SOURCE: 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

Posted on Jan 08, 2009

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pgh_pa_guy
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SOURCE: Sharp 930 AK Convection/Microwave Oven

When you close the oven door the latches operate a couple of interlock switches that control power. It may be that one of the door switches is bad or out of adjustment. It's also possible that one of the door latches is broken so it's not hitting the switch. There should be two door latches. Are they both there? This oven could be fixed by adjusting or replacing the interlock parts as needed. Because of concerns about microwave leakage from an improper door seal, you should have this oven serviced by a professional.

Posted on Jun 04, 2009

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3 Answers

Sharp R-930CS microwave turntable stopped turning and neither convection or microwave are working (ie. not heating). Lights and fan turn on and counter counts down normally.


Look inside for one of many thermal cutouts (button type) test each for continuity (with the unit unplugged of course). Also look for burned wires and repair or replace them. If you get it running and it works fine... we're done. If it still acts up then replace the magnetron and or the capacitor.

Oct 19, 2013 | Sharp Microwave Ovens

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Sharp convection microwave temperature is off on the convection side.


this is the thermistor is time to replace,if the fan of the oven is working,also couse this problem.

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Microwave quite heating. Tried cup of water, but not heating. The fan is running but sounds abnormal. The lights are on and the turntable moves.


Hi,


Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Basic Microwave Oven Troubleshooting Tips

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Dec 20, 2010 | Dacor DCM24 Convection/Microwave Oven

1 Answer

Not Heating. Fan, turntable, light working.


I would definitely suspect the door locking mechanism in this case. If it was the sensor it would start and then stop within a short time.

The starter switch should click if you have the door open and time it for 01.seconds and press start. So that is the secon component to think of.

Nov 26, 2009 | Sharp R-930AK Convection/Microwave Oven

1 Answer

Microwave seems to work but doesn't heat up


HI, when the Magnetron becomes unstable, the microwave will not heat anything. simply replace the Magnetron. This device creates the heating action and it is damaged and not functional at this time.

Jun 01, 2009 | Sharp R-1870 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

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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

PROBLEM WITH SHARP R-1874TF CONVECTION OVEN


sometimes an over heat will shut down the oven for a little bit but lets look at other things
i dont believe the board to be bad but i do believe the heating element inside is fried or a wire got fried by heat
if you know how to use ohm tester i would check heating element and wireing first
then try to see if the timer gave out

Dec 06, 2008 | Sharp R-1874 Convection/Microwave Oven

1 Answer

Not heating up anything


Not knowing how much run time you have on the microwave , makes it hard to diagnose the problem but If everything appears to be working properly (as you describe) then you may have a bad/damaged or disconnected magnetron tube inside it. That kind of service should be done by professionals. Exposure to Microwave energy is not something you should mess around with unless you know what you are doing.. Good Luck

Aug 13, 2008 | Sharp R-820B Convection/Microwave Oven

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