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Margolit Wexler Posted on Feb 18, 2019
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Where can i purchase a new waveguide cover for my sharp r-242 microwave?

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Tom Chichester

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  • Sharp Master 62,329 Answers
  • Posted on Mar 13, 2021
Tom Chichester
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Possibly directly from Sharp

5 Related Answers

MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Feb 09, 2008

SOURCE: 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.

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A

Anonymous

  • Posted on Feb 16, 2008

SOURCE: Waveguide cover for Kenmore microwave

Try replacing the screws with larger ones. Maybe you ordered the wrong piece, if your microwave comes with a mica cover (A fine, square piece of mica) and you received a plastic one, you will need to get the right piece or adapt the one you received.
You can get the mica cover on any microwave service.

MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Aug 19, 2008

SOURCE: need a new sharp waveguide cover

The best place to order Sharp parts is Tritronics.

Have your model number handy.

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

Anonymous

  • 56 Answers
  • Posted on Apr 02, 2009

SOURCE: Waveguide cover replacement

http://www.repairclinic.com/Appliance-Parts?s=t-+R-209KK+-%3d%3d&n=2

MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Jun 04, 2009

SOURCE: Sharp R403 microwave internal electrical short/fire

This is a simple problem & solution.

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.

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.

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.

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

You can order parts from Encompass here 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.

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Related Questions:

1helpful
2answers

My wave guide is terribly burnt. Can it be fixed or do I need a new microwave? Hisense- Model no: H25MOMS7H.
If your microwave's waveguide cover is severely burnt, it is generally recommended to replace it rather than repair it. The waveguide cover is designed to be transparent and protect the antenna or magnetron from food splatter and grease. To replace the cover, follow these steps:
1. Identify the replacement part number from your microwave's user manual or contact the manufacturer.
2. Order the part from the manufacturer, authorized dealers, or reputable appliance parts suppliers.
3. Turn off the microwave to ensure safety.
4. Remove the old waveguide cover and secure it using screws or clips.
5. Place the new waveguide cover in the same position and secure it using the appropriate screws or clips.
6. Test the microwave to ensure the new waveguide cover is in place and functioning correctly.
Replacement is crucial as a burnt or damaged waveguide can affect the microwave's performance and cause further damage to internal components. If you have any doubts or are uncomfortable with the replacement process, seek professional assistance or contact the manufacturer's customer support for guidance.
Read full answer
Jan 20, 2024 • Microwave Ovens
0helpful
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Need to find a replacement waveguide cover for my Sharp Microwave Model No. R-403KK-T - where can I find one?
parts house or get a piece of mica and cut you own...easy
Read full answer
Apr 06, 2014 • Frigidaire Microwave Ovens
0helpful
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I have a Sharp Carousel Microwave R-1460A. The disk on the ceiling, opposite the warming plate and about the same size, has severe burn marks (probably from food splatters). Any idea what that part is
see this indication and fix it. God bless you
  1. Waveguide coverSparking and arcing in a microwave can be caused by a damaged waveguide cover. Try removing the waveguide cover to see if the problem persists. Once removed, the waveguide cover can be inspected for burns, which will indicate if this is the issue. If the waveguide cover is burnt or will not stay in the proper spot it will need to be replaced.
  2. Cavity/Rack supportIf sparking or arcing in your microwave is near a rack support, any exposed metallic area can be covered with a microwave cavity support. It is also recommended to replace the rack supports in this situation to ensure the issue is resolved.
  3. Cavity paintIf sparking or arcing in the microwave is visible on the side walls, the paint covering the metallic areas could have worn off or chipped. This can possibly cause pitting in the side walls or ceiling. If this is the case, it can be repaired with microwave cavity pain
Read full answer
Nov 08, 2013 • Sharp R-1460 Microwave Oven
2helpful
1answer

Is it dangerous to use the microwave without a duct cover
Yes, the waveguide (duct) cover protects the waveguide and the magnetron from damage caused by grease and food particles getting on them.

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.

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 area is charred or chipped, the area will first have to be sanded smooth and cleaned and dried thoroughly.

If the cavity metal of the oven is cracked or split, you can use a small amount of steel-based epoxy such as JB-WELD to patch the crack or hole.

Once that dries thoroughly, you can sand it very smooth.

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 critical protection for the magnetron.

You can order a new waveguide cover form Encompass here.

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

Read full answer
Jun 06, 2011 • Sharp R-216 800 Watts Microwave Oven
0helpful
1answer

I have a 2004 Sharp R-1214 1100 Watt Microwave and the card like removable 3 x 4 inch plate broke (almost like cardboard) and it covered the vented opening. I don't have a users manual so I don't know the...
That's the waveguide cover you're talking about. It covers the opening in the side of the cooking cavity where the microwaves enter. The oven will work without it, but if you don't have the cover in place, food particles can get into the waveguide and cause problems. You can buy a replacement here.
Read full answer
Feb 07, 2011 • Sharp R-1210 Microwave Oven
1helpful
1answer

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.
Read full answer
Nov 03, 2010 • Sharp R-120D Microwave Oven
0helpful
1answer

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
[email protected]
http://www.microwavedisplay.com
Read full answer
May 25, 2010 • Sharp Microwave Ovens
2helpful
1answer

Sharp R403 microwave internal electrical short/fire
This is a simple problem & solution.

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.

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.

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.

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

You can order parts from Encompass here 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.
Read full answer
Jun 03, 2009 • Sharp R-403HW Microwave Oven
0helpful
1answer

Waveguide cover replacement
http://www.repairclinic.com/Appliance-Parts?s=t-+R-209KK+-%3d%3d&n=2
Read full answer
Apr 02, 2009 • Sharp Microwave Ovens
0helpful
1answer

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.
Read full answer
Feb 03, 2008 • Sharp R-820B Convection/Microwave Oven
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My wave guide is terribly burnt. Can it be fixed or do I need a new microwave? Hisense- Model no: H25MOMS7H.

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