Model #R-1870 SHARP Microwave/Hood Combo

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  • Control Panel,door,miscellaneous
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Question and Answers

Q:

Sharp R-1870 R-1870F

A:

To put it otherwise - could you please confirm color of parts HDECQB030MRF0 and JBTN-B111MRF0?

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Michael -
February 26, 2013
A:

Thanks for contacting ManageMyLife.com. I understand how important it is to have the right parts for your microwave. I did some research and found that both the R-1870 and R-1870F are black.

To order parts, please visit our sister site SearsPartsDirect.com once again with the model number.

Please feel free to let me know if you need further assistance.

Thank you for using ManageMyLife.com.

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Jonathan B -
Sears Technician
February 26, 2013
A:

What is the part numbers for a damper Switch and/or damper motor for a R-1870 Convection Oven? Thx

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G. Craig -
December 07, 2015
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Q:

What would cause my Sharp microwave to only run for 59 seconds at a time and stop?

A:

I do not have enough information indicating which button you are pressing. It sounds like you are pushing the "Minute Plus" pad instead of programming the cook time. Be sure that you're programming the microwave correctly. If you do not have the Owner's Manual , you can click on Owner's Manual and then click on "View manual" to view or down load the manual. If you are programming the microwave correctly, I recommend calling a service technician to diagnose and repair your microwave.

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Joey S -
Sears Technician
March 16, 2010
A:

I also have a Sharp R1870 that will only run for 59 seconds. Unit accepts programming, but will only heat for 59 seconds, then stops. Pressing start will continue the entered program for an additional 59 seconds. - Kitchen timer function works normally.

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Dave -
May 12, 2015
A:

I also have this model. It does the same thing. It runs for 59 seconds then stops. I hit start and it will run another 59 seconds. Everything else seems to function OK.

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Marion -
May 15, 2015
A:

Sounds like this is a common problem with this model r-1870. Maybe a recall is warranted - you think?

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Marion -
May 15, 2015
A:

It seems this issue has been happening for a while. I recently purchased an RV with one of these Microwaves and it seems it has the same issue. On a separate thread, someone commented that the Damper Motor is the culprit item 1-22 in the diagram provided by Sharp. Independant confirmation is hard to obtain from Sharp due to the legalities of facilitating people doing their own repairs and possible electric shock from residual high voltage. It would be helpful if some independant technically aware person could confirm this data or suggest an alternative fix.

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Rob -
May 26, 2015
A:

Our model R-1870 just started doing the same thing as described by previous posts. I would like to know what has been done by other owners to fix/repair the problem? Getting information from Sharp is useless, and ordering replacement parts from them is non existent. Those of you who have had similar issues must have by now, fixed the problem? Your response is appreciated.

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Steve -
September 17, 2015
A:

Many areas of the Internet suggest that this problem is quite common. All suggest that this problem is the damper motor or damper switch. I have the same problem with my sharp R-1870. I am ordering these parts today.

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Douglas -
November 10, 2015
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Q:

Sharp convection over the stove microwave R-1870

A:

I am sorry you are experiencing difficulties with your Microwave. Microwaves contain high voltage internal components that can retain a lethal electrical charge even when the microwave is completely unplugged. Door repairs and adjustments, even minor ones, can cause microwave leakage and a microwave shielding leakage test must be performed using a survey meter after any microwave service. I strongly suggest that you have this repair handled only by a qualified service technician. I have provided a link To Sears Home Services if you decide to schedule service. Have a great day!

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Alina -
August 31, 2012
A:

You could have a problem with the control board in that microwave. That type of internal component failure should be diagnosed and repaired by a technician. Microwaves contain high-voltage components that can retain a lethal electrical charge of up to 2200 VAC -- even when the microwave is unplugged. Repairs and adjustments, even minor ones such as replacing fuses, can cause microwave leakage. A microwave shielding leakage test should be performed after any microwave service. It is for these safety reasons that we are unable to guide you in microwave repairs and instead recommend scheduling service with a qualified service technician. You can schedule service online with Sears Home Services or by calling 1-800-4-MY-HOME. We thank you for your understanding in this matter and hope we can help you with other questions and repairs in the future.

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Lyle W -
Sears Technician
September 04, 2012
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