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I have a micro-wave who stop at 59 segondes each time.on convectio and mico-wave.the probleme is model:r 1870 serie:424939

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

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.

I have a micro-wave who - 659dbdc.jpg

Posted on Dec 08, 2008

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1 Answer

Sharp microwave r1870 only runs for 59 seconds


If it consistently runs for exactly 59 seconds, and shuts off, it's probably the control panel.

If it runs approximately that length of time, you might have a defective thermal protector on the magnetron, or the magnetron is running too warm for some reason.

Mar 24, 2016 | Sharp R-1870 Convection/Microwave Oven

1 Answer

I just had an appliance repair man check my Sharp R-1870 microwave for the 59 second shut off problem. He said it was the main circuit board. Has anyone run into this problem. Everything I google says...


I've had a similar problem with a 1983 Sharp Carousel microwave. It turned out to be a faulty door micro switch, the contact didn't stay closed inside it for very long.

Feb 24, 2015 | Sharp R-1870 Convection/Microwave Oven

1 Answer

Sharp micro counts down 59 seconds and stops


It seems this has been happening over the last few years. I am a retired appliance tech. My 1870 also started the 59 second routine, Also in a motor home. Pure logic. Had to be the board. New board same results. So now I need to run down a parts manual and possibly service manual, and get the damper switch and motor refered to in earlier posts. Changing out the board was fairly simple. Dropping the unit to change out the other components sounds like it will be a tad bit more difficult.

Oct 14, 2012 | Sharp R-1870 Convection/Microwave Oven

1 Answer

My Sharp micro will stay on for 59 seconds and shut off no matter how long the timmer is set. Sharp model r 1870 It does this every time it is used . The control board has been replaced.


This is not a problem on the board, it 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 them to our site here and here.

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.

Dec 17, 2010 | Sharp R-1870 Convection/Microwave Oven

1 Answer

Stops every 59 sec.


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. That's the giveaway.

See the attached sample drawing for a typical damper assembly.

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

Hopefully these cover your model number, which you didn't mention.

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

d34621a.jpg

Jul 07, 2010 | Sharp R-1870 Convection/Microwave Oven

3 Answers

Sharp Carousel II Convection Microvave R-3850


My sharp microwave convection oven (R-1870) runs for 59 seconds and stops. If I push start it runs for another 59 seconds and stops. How can this be fixedd?

Aug 29, 2009 | Sharp R-1870 Convection/Microwave Oven

1 Answer

Sharp r-1870 shuts off after 59 sec


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.

Most computers will open this document automatically, but you may need the free Adobe Reader

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

b27054b.jpg

Jul 13, 2009 | Sharp R-1870 Convection/Microwave Oven

1 Answer

Sharp model R-1870 Carosel quits cooking at 59 seconds


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

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.

Jan 26, 2009 | Sharp R-1480 Microwave Oven

1 Answer

59 SEC NEED TO GET FRONT OFF MICRO


If your unit runs for 59 seconds then stops, the problem is the convection damper motor. (Sharp part # RMOTDA222WREZ).
Unfortunately, you cannot access this from the front - the whole unit has to come down as the entire outside cover has to be removed.
This is a pretty major job and the motor (located below and behind the magnetron tube) is rather hard to remove and get back into place. This is probably better left to an experienced technician. You can call Sharp 1-800-BE SHARP for a referral to an authorized servicer.

Jul 22, 2008 | Sharp R-1870 Convection/Microwave Oven

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