Question about Sharp R-1480 Microwave Oven

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Sharp R-1480 Waveguide

Thank you for your input.
I agree with you that it is much better to replace the waveguide.
Can you please tell me where i can get this part for my Sharp R-1480 ?

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The best place to order Sharp parts is Tritronics.

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

Posted on Sep 16, 2008

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1 Answer

Sharp R-980A Convection oven - arcing without any metal (except turntable) and smoking inside.


There is a shorted happening when the magnetron release energy. The problem of that is the waveguide already not in focus (already have a big hole on it) hence it scattered the microwave wave elsewhere inside the unit and also to its own metal casing. That cause's to arcing when operating.
Waveguide hole needed to be replace and it need some cleaning & painting of the affected metal (usually near around the magnetron waveguide). Once it's done the unit will not arcing again.
I do hope I answer your problem. Thanks for asking.

Mar 29, 2011 | Sharp Microwave Ovens

1 Answer

I REQUIRE A WAVEGUIDE COVER REPLACEMENT SHARP


Here's a link to the parts listing at searspartsdirect.com:

http://www.searspartsdirect.com/partsdirect/part-model/Sharp-Parts/Microwave-Parts/Model-R120DK/0958/0123245?searchedModel=r-120d&blt=

The list also includes helpful schematic diagrams that you can print for future troubleshooting.

if you need further assistance, please post back and let me know. I hope this helps you.

Nov 03, 2010 | Sharp R-120D Microwave Oven

1 Answer

How do I install a waveguide in a Sharp microwave oven? The old one burned through because of corrosion beneath it. I sanded it & repainted with rust preventative paint. I don't want to break it during...


If you mean the waveguide cover, those are almost always mica or plastic.

They would normally install by sliding them into slots in the cavity or ceiling, and sometimes they are held in pl;ace with a plastic rivet, too.

If a waveguide cover is damaged, it should be replaced with a new one, not repaired in any way.

Arcing will occur, which can damage your magnetron, waveguide, and / or chassis.

If you mean the waveguide itself, which channels the microwave energy from the magnetron to the cooking cavity, that cannot be removed or replaced. They are welded in place. If the waveguide is bad, the oven has to be replaced.

We have quite a few Sharp service manuals which cover disassembly and parts lists, etc. If we have it, I can point you to a link to download it free.

Feel free to contact me directly with your model number.

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

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

May 25, 2010 | Sharp Microwave Ovens

1 Answer

Waveguids burnt and used


The best place to orderSharp parts is Tritronics. Or you can call them at 866-779-5835.

We'rehappy to help you with free advice and we'd appreciate yourthoughtful rating of our answer.

Dec 15, 2008 | Sharp R-1480 Microwave Oven

1 Answer

Sparking


Quite often this is due to grease or food particles stuck somewhere in the cavity of the oven or stuck on or behind the waveguide cover.

It may also be in the area of the turntable support, coupler, or motor.

The waveguide cover (also called a spatter shield) is usually about the size of a playing card and often held in place by a plastic rivet.

In some models it is a larger stirrer cover type made of thicker plastic in the ceiling of the oven.

It can be fragile, and the metal edges of the oven behind it can be sharp, so be careful!

The cover and the metal behind it should be cleaned with a mild, non-ammonia cleaner.

If the cavity metal of the oven is chipped or charred, it will have to be sanded smooth and clean and dried thoroughly.

Then you can apply some high-temperature appliance paint, available from places like Wal-Mart, Lowe's or Builder's Square.

If your waveguide cover is burned, it will need to be replaced. It provides important protection for the magnetron.

The best place to order Sharp parts is Tritronics. You can also call them at 866-779-5835.

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

Dec 06, 2008 | Sharp R-1480 Microwave Oven

1 Answer

Microwave doing lightning


Quite often this is due to grease or food particles stuck to the inside of the oven or stuck on or behind the waveguide cover.

The waveguide cover is usually about the size of a playing card and often held in place by a plastic rivet.

In some models it is a larger stirrer cover type made of thicker plastic in the ceiling of the oven.

It can be fragile, and the metal edges of the oven behind it can be sharp, so be careful!

The cover and the metal behind it should be cleaned with a mild, non-ammonia cleaner.

If the cavity metal of the oven is chipped or charred, it will have to be sanded smooth and clean and dried thoroughly.

Then you can apply some high-temperature appliance paint, available from places like Wal-Mart, Lowe's or Builder's Square.

If your waveguide cover is burned, it will need to be replaced. It provides important protection for the magnetron.

Please write back with your brand and model number if you need further help.

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

Sep 08, 2008 | Sharp R-1480 Microwave Oven

1 Answer

Waveguide cover


If it's damaged and cleaning won't take care of it, you can buy a new waveguide cover from Tritronics at http://www.wehaveparts.com

We have the full service manual at our site for your convenience:
http://www.microwavedisplay.com/r820bc_bk_bw_sm.pdf

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

Feb 03, 2008 | Sharp R-820B Convection/Microwave Oven

1 Answer

Thermador MBBS/01


Quite often this is due to grease or food particles stuck to the inside of the oven or stuck on or behind the waveguide cover.

The waveguide cover is usually about the size of a playing card and held in place by a plastic rivet.

It can be fragile, and the metal edges of the oven behind it can be sharp, so be careful!

The cover and the metal behind it should be cleaned with a mild, non-ammonia cleaner.

If the cavity metal of the oven is chipped or charred, it will have to be sanded smmoth and clean.

Then you can apply some high-temperature appliance paint, available from places like Wal-Mart or Lowe's.

If your waveguide cover is burned, it will need to be replaced.

Nov 26, 2007 | Thermador MBBS Microwave Oven

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