Question about Sharp R-1874 Convection/Microwave Oven

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Microwave removal My Sharp R 1850 A microw/covection oven in my 2000 HR Endeavor died. I need to remove it. How do I get at the bolts that hold it in place. Is there any place I can get a diagram to show me how it was installed? Thanks, Glenn

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We have installation instructions on our site that cover several past Sharp models and may be close enough to yours to help you.

Normally you take the grille off then remove the two screws that would then be revealed. Then unplug it and slide it forward.

But you should check the link - it should help.

What problem are you having with it?

If you have trouble with the control panel, we regularly repair these for customers nationwide with our guaranteed $39.95 service.

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

Posted on Sep 01, 2008

  • William Miller
    William Miller Sep 06, 2008

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



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Not sure exactly what you're asking but the service manual for the R-1850 is available online here and you can order part here or here.

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

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It sounds like you may have a bad keypad or (hopefully) a simple door switch failure.

When you press Start, if it does not beep, then either the door open switch is bad (not very likely) or its mount is bad, or your membrane keypad is failing.

If it beeps when press Start, and your fan and inside light come on and it counts down, but the turntable doesn't turn and it doesn't cook, then you have a bad secondary interlock (lower door switch with white and gray wires) or its mount is broken or loose.

You can try gently pushing up and down on the door while trying to hit Start. That will sometimes make it try to work.

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Door switches are pretty easy to get. They are often held in place by a little tab on the underside of the mount. That can be hard to reach, but not too bad if you're careful.

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

We have the service manual for this model and I can e-mail to you.

If you'd like us to install the keypad, we can do it for $39.95 plus parts.

Please feel free to contact me directly if you need more help.

Please contact me directly and I'll also send you installation info on several Sharp models. That should give you enough info in case you decide to remove it.

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

William E. Miller, AS-EET

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See the attached sample photo.

If you or someone you know wants to look into this, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa:

We even have a video on our site that shows you how to safely & easily remove the control panel assembly to send it for service.

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


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

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If the door won't open via the door open button, then the outer cover will have to be removed.


This is a preliminary post, asking for further information (model). Please withhold your rating until we actually offer the solution.

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