Question about Sharp R-1871 Convection Microwave Oven

1 Answer

Sharp R1870 After one minute of heating, microwave will shut off.

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  • Anonymous Jan 30, 2009

    I have a sharp R-1870 microwave that turns no more than 58 sec and turns off, i have to keep precing start in order to get the sicle done, can you help??

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  • Sharp Master
  • 9,098 Answers

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.


Sharp R1870 - b8a401a.jpg

Posted on Dec 31, 2007

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1 Answer

I have a Sharp R1870 micro/convection unit. unit kicks off after 60 seconds. have to restart then kicks off again in 60 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.

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

Please include FULL model number*, FCC ID number*, + detailed symptom information. ( * on the tag in cooking cavity or around door frame or control frame or on back)

William E. Miller, AS-EET
http://www.microwavecontrol.com
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"


damper_assy-a2vvqv0uixnfrn102tdmy5ix-4-1.jpg

Mar 04, 2017 | Sharp Microwave Ovens

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

My sharp R1870 microwave/convestion oven turns


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



damper.jpgdamper.jpg

Apr 26, 2010 | Sharp R-1870 Convection/Microwave Oven

1 Answer

Our microwave/convecton turns itself off after about a minute


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.

Feb 05, 2009 | Sharp R-1870 Convection/Microwave Oven

1 Answer

The oven/microwave turn off after about a minute


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.

Feb 05, 2009 | Sharp R-1870 Convection/Microwave Oven

1 Answer

Micro/convection stops every minute


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.

Nov 21, 2008 | Sharp R-1480 Microwave Oven

1 Answer

Have a sharp microwave and convection oven combination and it will only run a few seconds and stops hit start will only keep running by hitting start. model # 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 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.

The best place to order Sharp parts is Tritronics.

If you only need a switch, you can order one from us for $5 postpaid.

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

469b66b.jpg

Aug 26, 2008 | Sharp Microwave Ovens

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 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.

The best place to order Sharp parts is Tritronics.

If you only need a switch, you can order one from us for $5 postpaid.

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

dde7c96.jpg

Aug 09, 2008 | Sharp R-1480 Microwave Oven

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