Question about Sharp R-1505 Microwave Oven

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SHARP MODEL #R1470A PLACED PLASTIC BOWL TO MELT BUTTER AND A LOAD POP HAPPED AFTER HITTING START BUTTON. THERE IS NOW A LOAD HUM AND WILL NOT HEAT. THE CONTROL PANEL STILL WORKS

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3 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: my sharp r-510hw flashing like crazy

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.

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 30, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: I have a Sharp R-308NP Microwave that won't heat anything

We have a sound clip here of what a microwave should sound like when the cooling fan and high voltage section are working.

A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.

According to the owner's manual here, the warranty is one year, but the magnetron itself is covered for 5 years.

If it's under warranty, you can find your nearest authorized servicer here.

If it's out of warranty, here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.gallawa.com/microtech/diode.html
(if it is NOT shorted or burned looking, it's probably fine)


http://www.gallawa.com/microtech/mag_test.html
(continuity can be good even though mag is bad!)


You can order parts for this brand 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.

Posted on Nov 29, 2009

Testimonial: "Thank you very much for a clear and thorough response. I will contact Sharp directly, I was hoping it was just the fuse."

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Maybe. The presence of metallic material (foil, stainless steel silverware, etc.) in an operating microwave oven creates electric arcs between the foil and the inside wall of the oven. And this can destroy the electric components.

Sep 22, 2013 | Sharp R-1505 Microwave Oven

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Loud pop now a hum and no heat light and fan working


Hi,


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

Basic
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heatman101


././/.

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Looking for a carousel with the three roller wheels for our sharp r1470a microwave.


That's the "turntable support" part number is FROLPB017MRK0
(note the difference between ohs and zeros)

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.

Apr 25, 2010 | Sharp Microwave Ovens

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I need to replace the plastic button that is pushed to open door on the R1470a Sharp Microwave. where can I purchase this part?


What usually breaks is the door open lever, but it may also be that the rear side of the door open button has worn down too far to work.

On an over-the-range model, only the control panel needs to be
removed.

Please unplug the oven first.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Once it is apart, you'll be able to see how the door open button would press against the door open lever, which would then lift up against the door latch heads (hook-like projections on the door) and the door should open.

You can find handy exploded views at the Sears Parts Site.

You can find links to helpful exploded view diagrams and part ordering help
here. (Part prices for Sharp parts is usually best here)

I recommend that you bookmark that link to your favorites.

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

Dec 12, 2009 | Microwave Ovens

1 Answer

I have a Sharp R-308NP Microwave that won't heat anything


We have a sound clip here of what a microwave should sound like when the cooling fan and high voltage section are working.

A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.

According to the owner's manual here, the warranty is one year, but the magnetron itself is covered for 5 years.

If it's under warranty, you can find your nearest authorized servicer here.

If it's out of warranty, here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.gallawa.com/microtech/diode.html
(if it is NOT shorted or burned looking, it's probably fine)


http://www.gallawa.com/microtech/mag_test.html
(continuity can be good even though mag is bad!)


You can order parts for this brand 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.

Nov 28, 2009 | Sharp Microwave Ovens

1 Answer

Microwave works fine, but wont heat food....


I would say the high voltage rectifier diode has blown.

See http://www.gallawa.com/microtech/diode.html for help in diagnosis.

Okay, now that I see the model number, that's a US model:

You can usually find exploded views and order parts by entering your model number here at the Sears parts site.

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.

Sep 22, 2008 | Microwave Ovens

2 Answers

Microwave made a loud pop,won't heat,sounds like it's only on half power, makes a low intermittent hum


This is almost certainly a blown high voltage diode.

Please reply back with your brand and model number so we can help you.

May 31, 2008 | Microwave Ovens

1 Answer

My sharp r-510hw flashing like crazy


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.

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.

Mar 22, 2008 | Sharp R-510HW Microwave Oven

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