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I have a Sharp Micro Wave Model R 1512 F that the start minute plus key is broke. This is the third time and I would like to fix it myself. I can not afford another service call on this one, How do I fix it? How do I order the correct part?

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You can order a new and improved select button assembly here.

We have the service manual for this model and have uploaded it to our site here to help you.

That, plus the R-1500-series service manual here will help you safely disassemble it so you can replace the select button assembly.

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

You will need the free Acrobat Reader to view or print it in case you don't have it already.

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

Posted on Oct 20, 2008


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Posted on Jan 02, 2017


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My micro wave stop heating food, every thing dislay work fine. when start it make loud sound. Sharp carousel II, model = R-3A54, Manufacture jan,1993

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

Microwave Oven Basic Troubleshooting Tips



Jul 27, 2011 | Maytag MMC5000 Microwave Oven

1 Answer

I Have a sharp microwave model # R1874. On the control panel, when I press the start button, the microwave runs for 59 seconds then stops. I have to press the start button again to have it run again. It...

That would be a problem in the damper assembly, either a bad switch or motor, or the damper door is jammed or blocked. Consult the attached diagram for general reference. The damper switch is the same as the primary interlock (door) switch.


Its location varies by model, but you'll have to take the outer cover off to find it.

The best place to order Sharp parts is Tritronics or you can call them toll-free at 866-779-5835.

If you only need a switch, you can order a universal type HERE

Also, I quote other similar solution...
I had the same problem. Turned out to be the micro switch and damper motor. I replaced both myself and fixed the problem for less than $40.00. The best advice I got was replace the switch, reconnect the motor and make sure the motor runs through a damper door cycle. It didn't run, even though it showed continuity and had power, so I replaced the motor which solved the problem. The micro switch which is activated by the cam on the damper motor has to be cycled within one minute, or the unit shuts itself off. The damper motor on my model R-1870 is found in the right rear section of the assembly when facing it. You have to remove the unit, and remove the outer casing to get to it. The damper is a simple sheet metal door, activated by the motor, and the switch mounts at the top of the motor and is activated by the same cam that activates the door.

Good luck.

Mar 06, 2011 | Sharp R-1874 Convection/Microwave Oven

1 Answer

The 'Start' button was pushed in too far, and it's now just sitting in there loosely. How do I fix this?

mcdevito75, You may have to replace the entire circut board containing all the micro wave ovens controls. Look for an small appliance repair shop in your area, or any place that sells microwave ovens for help.

Jun 20, 2010 | Sharp R-310A Microwave Oven

1 Answer

No power. but it is pluged in and checked breaker

Try plugging a lamp intothe same socket and see if it comes on if it does the fuse in the micro wave has blown but there are up to 5 fuses on some models so I need a model and serial number to help you fix the problem.

Sep 28, 2009 | Sharp Microwave Ovens

1 Answer

Lower button - Start Minute Plus, does not return. Spring broken?

you have a bad spring and micro limit switch. You need to pull the cover in the front in order to remove that.

Jul 28, 2009 | Sharp Microwave Ovens

1 Answer

Micro wave broke

open the door and look on the middle top right inside the microwave is it burned or blackend?You have a faulty magnatron.if it is.

May 19, 2009 | Magic Chef MCD1311ST Microwave Oven

1 Answer

Sharp carosel micro wave Model R-9h54

I'm very sorry to tell you that keypads for all Sharp R-9H-type models are no longer available.

When the oven becomes unusable, it will simply have to be retired.

Sorry we couldn't bring you better news, but we're happy to help you and we'd appreciate your thoughtful rating of our answer.

Aug 01, 2008 | Microwave Ovens

1 Answer

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.

Jul 09, 2008 | Sharp R-220HW Microwave Oven

1 Answer

Sharp carolsel model r1505 on/off buttons broken

Unplug micro wave.
3 screws to remove top vent.
1-screw to remove touch panel from chassis.
tilts foward disconnect wires from board . I labeled for
reassembly .
1-screw holds the touch panel electrics to face plate.
There are 4-6 snap in plastic tabs holding it in place.
you have full access to the cheap plastic hinged buttons.
I hot glued mine once but they broke after 6 months.
I found this site:
Good pics and you can see the buttons.
They sell a replacement button for $15 . There is also a
complete service manual for the Sharp 1505 for free download.
Did I mention to unplug the microwave before starting...

Rob H

Dec 17, 2007 | Jenn-Air JMV8208A Microwave Oven

1 Answer

Start button problem

You will need the new & improved select button assembly and you can order them through us if you like.

We have full details, plus *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa:

The order form is at

Nov 25, 2007 | Sharp R-1501 Microwave Oven

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