Question about Sharp R-1874 Convection/Microwave Oven

1 Answer

Shuts off after 59 seconds

My R-1874 microwave/convection oven shuts off after 59 seconds. Help!!

Posted by Glenn Botkins on

Ad

1 Answer

William Miller

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Sharp Master
  • 9,179 Answers

That would be a problem in the damper aseembly, either a bad switch or motor, or the damper door is jammed or blocked.

Consult the attached diagram for general reference.

The damper switch is the same as the primary interlock (door) switch.

If you or a friend decide to look into it, we have critical safety information, switches diagnosis and replacement, and disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

Shuts off after 59 seconds - a6579a0.jpg

Posted on Nov 05, 2007

×

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

The microwave shuts off after 59 seconds. You can push the START button and it will start again but shut off after 59 seconds. The convection oven component does the same thing.


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 them to our site here, 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.

Dec 16, 2010 | Sharp R-1874 Convection/Microwave Oven

1 Answer

This mircowave shuts off after 59 seconds all of the time ????


Change the Damper Motor and switch. Cost is approx $30.00 and you must remove the microwave from the mounting bracket and remove the cover to gain access to the motor and switch.

Feb 02, 2010 | Sharp R-1874 Convection/Microwave Oven

1 Answer

I have a sharp model 1874 when you punch in the mintues it will only go to 59 seconds and shuts off. if i hit 10 mintues it will stop at 9:01


change damper motor and switch. cost is approx $30.00. unit must have cover removed to gain access to motor & switch
Bob

Dec 15, 2009 | Sharp R-1874 Convection/Microwave Oven

1 Answer

R-1874 shuts down after 59 seconds


That switch is supposed to tell the computer if the damper door is open or closed. If it does not go to zero ohms, the CPU doesn't know what to do. Check the thermistor too...... just in case...

Sep 12, 2009 | Sharp R-1874 Convection/Microwave Oven

1 Answer

Amana OTR Convection Microwave runs 59 seconds and shuts off


This sounds like either a thermistor or a damper switch/motor problem.
Amana's technical support line is 866-426-2621. This is the commercial side but they should be able to get you in touch with the domestic side.

Sep 12, 2009 | Sharp R-1850A Convection/Microwave Oven

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
[email protected]
http://www.microwavedisplay.com

b27054b.jpg

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

1 Answer

Sharp r-1874 - 59 sec


We have the service manual, and have uploaded it to our site here. It is only a supplemental type, so it does not show disassembly, but it has helpful info and part numbers

We have a handy disassembly video at http://www.microwavedisplay.com

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.

The best place to order Sharp parts is Tritronics.

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

39c888e.jpg

Jul 22, 2008 | Sharp R-1874 Convection/Microwave Oven

Not finding what you are looking for?
Sharp R-1874 Convection/Microwave Oven Logo

Related Topics:

323 people viewed this question

Ask a Question

Usually answered in minutes!

Top Sharp Microwave Ovens Experts

William Miller
William Miller

Level 3 Expert

9179 Answers

Ekse

Level 3 Expert

13434 Answers

Gerry Harvey
Gerry Harvey

Level 3 Expert

1481 Answers

Are you a Sharp Microwave Oven Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...