Question about Sharp R-1405 / R-140 Microwave Oven

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Sharp R-1871 Microwave will not power up

We purchased a replacement Sharp 1871 to replace the one the kids broke hanging on the door (another story). The unit was manuafactured in July 2008 and is completely installed, but will not power up at all. We've checked power to the plug, circuit protection but don't seem to find anything wrong. Any suggestions? I've seen refernces to a fuse behind the control panel, how difficult is that to remove?

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We have the applicable service manuals for these models and have uploaded it to our site here and here to help you.

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

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.

The best place to order parts for this brand is Encompass (formerly Tritronics). Or you can call them toll-free at 866-779-5835.

The prime suspects would be the 20A ceramic fuse located between the door switches or the temperature fuse on the magnetron.

Posted on Jan 29, 2009

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Is the sharp above range microwave model r-1871t recirculating?


According to the Sharp product site, http://www.sharpusa.com/ForHome/HomeAppliances/Microwaves/Models/R1871.aspx , the R-1871 is a convection and microwave oven. The manual describes using the convection oven feature on page 18 (page 20 of the PDF). The direct link to the manual is: http://files.sharpusa.com/Downloads/ForHome/HomeAppliances/MicrowaveOvens/Manuals/mic_man_R1872.pdf . The convection button is on the top left in the middle group of buttons. You use the numeric power level buttons to set the oven temperature. When you program convection cooking, the 1 button will bring the oven to 100 degrees F. The 6 button gets the oven to 350 degrees F.

I hope this helps.

Cindy Wells

Sep 18, 2015 | Sharp Microwave Ovens

1 Answer

My kids slam the door and no the handle broke off


The door handle can easily be replaced on MOST microwave ovens by removing the inner door panel that goes around the perimeter of the glass. The following link explains how to access and replace the door handle:


http://www.fixya.com/support/r3696942-microwave_oven_door_handle_replacement


The average cost for a replacement handle (if required) usually runs about $20 - $40. Replacements may be purchased at the websites listed in the link I provided. Several of these sites also have helpful exploded view parts illustrations to assist you with parts identification and how disasemble/reassemble your appliance.


The door handle is a simple repair that can be done with the door in place, or with the door removed. You do not have to uninstall the oven if this is an over the range model.


NOTE: If you wish to remove the door, all you need to do on most models is open the door all the way and lift straight up at the hinges. You may have to remove the grille cover located above the door on some models to accommodate being able to lift the door.


If you have any questions, please post back with your MODEL NUMBER and let me know. I hope this helps you.

Feb 22, 2011 | Microwave Ovens

1 Answer

Sharp model R-1871 shuts off every 59 seconds


This is a problem in one of the damper-related components, either the switch or motor or the damper door may be binding.

The damper is a door inside that opens or closes depending on cooking mode. If the controller senses that the door is not in the right position, it will shut down the cook cycle.

Sharp models stop after 59 seconds.

See the attached sample drawing for a typical damper assembly.

We have the applicable service manuals for these models and have uploaded it to our site here and here to help you.

If a switch is all you need, we offer a universal type for only $5 postpaid which you can order here.

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

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

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Aug 30, 2009 | Sharp R-1871 Convection Microwave Oven

1 Answer

Sharp R-1871 microwave/convection oven. Microwave will not work


This may be due to the microwave section not working. Check the high voltage diode if it is ok, replace the Magneton.

May 29, 2009 | Sharp R-1871 Convection Microwave Oven

1 Answer

Sharp Carousel Microwave R-1460A no power, door switch went first


You will want to replace the fuse and door switches. You will not be able to run it without replacing door switches. You do not need a new microwave. Door switches go bad, it has nothing to do with radiation.

Feb 19, 2009 | Sharp R-1460 Microwave Oven

1 Answer

NEED TO REPLACE THE WHITE PLASTIC CATCH ON NEXT TO THE CONTROL PANEL AS IT SNAPPED OFF AS MY SON SLAMMED THE DOOR


By the nature of the oven main face plate and the locking latch being attached to the safety system the replacement cost is usually higher than a replacement microwave oven.

In your case replacing the microwave with another one is more sensible. Your oven is an obscure model as it is, I'd suggest a sharp brand.

Regards,
Worldvet

May 15, 2008 | Zanussi ZM24STX 900 Watts Microwave Oven

2 Answers

Sharp R-1505 microwave


The power fuse open , if open replace it don't make jumper it b
cause fire .
the power transformer builtin fuse open/
The door micro switch open /need to replace.

Jan 03, 2008 | Sharp R-1505 Microwave Oven

1 Answer

Sharp R1870


This is a problem in one of the damper-related components, most likely the switch, but it may also be the motor or the damper door.

The damper closes and opens depending on cooking mode. See the attached sample photo.

The damper is a door located on the right side of the innards. The damper closes and opens depending on cooking mode. See the attached sample photo.

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

You can find an exploded view by entering your FULL model number here: http://www3.sears.com (the 3 is correct)

You can order Sharp parts from that Sears link or from Tritronics at http://www.wehaveparts.com

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


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Dec 27, 2007 | Sharp R-1871 Convection Microwave Oven

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