Question about Sharp Microwave Ovens

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Wave guide sharp R6000E microwave oven

Wave guide

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: User's Manual of Sharp Microwave Oven Model R-9H56

Found this posted under Whirlpool instead of Sharp, but I'll be happy to answer it here.

While that one may not be available, we have one that may be close enough to work:

http://www.microwavedisplay.com/r9h66_r9h76_r9h84b_r9h94b_om.pdf

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

Posted on Dec 17, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: Dacor Microwave

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.

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.

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.

The part would be much cheaper if you get the Sharp version (these ovens are made by Sharp) instead of the Dacor branded part.

The model DMT2420 is essentially the same as model R440D / R540D.

The Sharp part number is PCOVPB085MRP0 (zero on the end) and you can order Sharp parts from Tritronics at http://www.wehaveparts.com

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

Posted on Mar 18, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: R-4H84 Sharp Carousel II microwave oven stoped working

A microwave can be dead for many reasons.

The fuse is normally located on the floor of the chassis behind the control panel or between the door switches.

If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open.

Then when it cools, it closes the circuit and allows power through again.

When checking thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it goes dead or blows the breaker when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

If it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder, or even an intermittent fuse.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

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

Posted on Jun 23, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: where can i find instructions for sharpe double grill & oven micr

Info on ordering Sharp UK parts / spares is here.

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

Posted on Jan 04, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: Sharp Microwave Oven over stove fan goes on by itself

Please note that FixYa is not currently notifying us Experts when Clarification Requests are answered.

So please post a
NEW question, and please include your brand name and the full model number from the tag in or on the unit, as well as the answers to these questions:

Which fan is it?

The
internal cooling fan, which comes on automatically whenever the unit is microwaving?

Or the hood vent exhaust fan which you can turn on and off manually?

Or the convection fan, if it is a convection model?

When is it coming on?

Is it coming on whenever you cook on the stove top?

Thanks!

Posted on Oct 10, 2009

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1 Answer

I believe I need a waveguide for the sharp r-8290a as listed on the left hand side of this page.


I believe you mean wave guide cover. Are you talking about a silver looking square or rectangle cover, typically held in place with 1-2 screws?? If so that is a wave guide cover. You must keep them clean and dry. Clean off any food splatter promptly and clean with a damp scrubby sponge. do not saturate. Try to keep dry. Sharp's distributor is a company called Encompass parts. you would need your model number.
https://encompass.com/

Aug 23, 2017 | Sharp Microwave Ovens

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I have a Sharp Microwave oven of 29 lit capacity purchased in 2003 when it had recently come in Indian Market.From time to time It had developed several problems but as SHARP does not have authorized...


You need to use the wave guide cover, this can be salvaged from any old microwave which you can find from repair shops., It is best to have this in place.
Click on : Waveguide

Jan 24, 2013 | Sharp Microwave Ovens

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Microwave made a loud popping sound and had a bright flash of light. Has done this twice.


That is most likely caused by a failing wave guide cover. It is situated in the cavity and protects the magnetron.
Most dealers keep or can easily get them.
Hope that helps.

Mar 04, 2011 | Sharp R-1610 Microwave Oven

1 Answer

I need a new wave guide cover for Sharp Microwave Model R-1405 serial # 138616


The part number is PCOVPB085MRP0 (note ohs and zeros are different) and you can get it from Encompass here.

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

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A dirty or damaged wave guide cover can cause sparks, fire and noises. You can order a replacement wave guide cover from many appliance parts websites for less than $15 in many cases. It should fix the problem.

May 03, 2010 | Sharp R-930AK Convection/Microwave Oven

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A wafer-like part (4" x 3 1/2" size) needs to be replaced


The part is called a "wave guide cover." the parts are model specific so be sure to order the correct one for your unit.

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I have a sharp micro wave oven. Occasionally, when some foods are cooked or heated, you can see small bursts of blue flame. What I should do ? I only use microwave safe containers.


You probably have a burnt wave guide cover. Look inside the microwave either on the side or on the top, it's a square piece of mica board, and you should see a burnt spot on it. You should be able to replace it fairly easy with the model number I can check on a replacement for you.

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