Question about Sharp Microwave Ovens

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My sharp r520lw microwave stopped working.before it stoped working completely it had a problem with the door switch.if i lifted on the door it would work again.now it doesn't work at all.it won't even let me push the cook button.

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  • krussell5 Jan 24, 2009

    Ok it's a door alignment issue. How do I fix it? Is there a really simple solution?

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  • 8,820 Answers

This is usually caused by either a bad door switch, a loose door switch mount, or occasionally a problem on the control panel.

Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.

Door switchor mount trouble can be caused by slamming the door or by opening thedoor while it's cooking without hitting the Stop pad first.

There areplastic mounts inside the microwave which hold the door switches andonto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it'sa broken tab on the switch holder, allowing the switch to rotate justout of position. This tab can be hard to see, since it is under thebottom edge of the switch.

One test that sometimes helps is togently lift up (and/or push down) on the door or handle as you try tostart it. If it works or tries to work, then it's a door switch mount ordoor alignment issue.

If you or someone you know decide to lookinto it, we have critical information on safety, disassembly and doorswitches at our site, and our link is at our listing here on FixYa:.

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.

If you only need a switch, you can order one from us for $5 postpaid.

If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases.

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

Posted on Sep 13, 2008

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1 Answer

Our sharp r520lw just quit working, timer works, light works, all buttons work, (clear, etc) however turntable doesn't work and no


That would be a bad bottom door switch or its mount.

See the help file on door switches here.

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

Dec 13, 2011 | Sharp R-520LW Microwave Oven

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This microwave is about 5 years old. It suddenly stopped working. No power, no lights coming on, just shut off completely. Can it be fixed?


Yes it can be fixed! the main fuse in the microwave has blown, this is usually caused by a defective door switch, but on occasion it is just the fuse.

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IT IS POSIBLE TO HAVE A BURNED FUSE ON THEI Main boARD OF THE OVEN

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Sharp Carousel will not turn on unless I lift gently on the door.


the door interlock switch needs adjusting or replacement

Mar 26, 2009 | Sharp R-1480 Microwave Oven

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Oven makes operating noise when doo is closed without starting


This is usually caused by either a bad door switch, a loose door switch mount (which are pretty simple problems to fix) or occasionally a problem on the control panel.

Even though a door switch clicks, it may still be bad inside.

Door switch or mount trouble can be caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

One test that sometimes helps is to gently lift up (and/or push down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue.

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

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

If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases.

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

Nov 21, 2008 | Sharp R-1480 Microwave Oven

1 Answer

I need the user manual for the Sharp R520LW microwave.


You can download that here free of charge.

You will need the free Acrobat Reader to view or print it.

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

Oct 07, 2008 | Sharp Microwave Ovens

1 Answer

I have sharp carousel R-520JK microwave, the clock and other functions work, but it does not microwave/heat...


This is usually caused by either a bad door switch, a loose door switch mount, or a misaligned door.

Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.

Door switch or mount trouble can be caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

One test that sometimes helps is to gently lift up (and/or push down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue.

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

You can probably find exploded views by entering your model number here at the Sears parts site. The best place to order Sharp parts is Tritronics.

I'm confident this will be a FixYa! We're happy to help you and we'd appreciate your thoughtful rating of our answer.

Jul 27, 2008 | Sharp Microwave Ovens

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Quite often this is due to a bad door switch. Opening the door while cooking (without first hitting the STOP pad) is the primary cause of door switch failure.

 

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk

 

We also have the complete service manual for this model at our site.

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My microwave has stopped working and switched on suddenly!!


Sounds just like a bad door switch or door switch mount. Probably the upper one. Safety info, disassembly tips, and door switch test and replacement info are all available at our Web site. See http://tinyurl.com/yzjozk

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