Question about Sharp R-930AK Convection/Microwave Oven

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I have a Sharp R-1870 Convection Microwave in my 2004 Holiday Rambler. I need to remove it to change out the motor and switch in the damper assy. How do I remove the microwave so I can do this? I&#

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  • Sharp Master
  • 9,179 Answers

It's usually just the switch, and also be sure the damper door is not bent or blocked. We have the applicable service manuals for these models and have uploaded them to our site here and here to help you.
If you have other questions, please feel free to contact me directly (see below).
.- William E. Miller, AS-EET
pupista@gmail.com
http://www.MicrowaveControl.com
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"

Posted on Dec 01, 2017

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5 Suggested Answers

MicrowaveSvc

William Miller

  • 9179 Answers

SOURCE: removal from a motorhome


We regularly repair the circuit boards of microwave which are hit by storm surges, etc.


This repair usually runs $39.95 to $64.95, depending on if we have to replace the low power transformer. I just thought I'd mention this if you're interested.

But if you've decided on replacing it, the installation manual should be helpful in removing it from the wall. See it here.

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

Feel free to contact me directly for more information & help.

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

Posted on Oct 06, 2008

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Phil Sciacca

  • 36 Answers

SOURCE: Sharp 1870 just quit cooking and no turntable

The fact that the microwave and convection both do not heat indicated that the oven is in demo mode, check the user manual, otherwise it will possibly be a relay not triggering, may need a pcb replacement, check Demo mode 1st....Phil

Posted on Jan 08, 2009

MicrowaveSvc

William Miller

  • 9179 Answers

SOURCE: Sharp R-1870 stops at 59 seconds

Wow. I just read something ridiculous!

Well, never mind that, here's your solution:

This is a common 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.

Posted on Jan 29, 2009

heatman101

D. Floyd Kolb

  • 43501 Answers

SOURCE: sharp R-1870 Convection works, microwave doesnt heat

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

ytwyys

Posted on Sep 30, 2010

MicrowaveSvc

William Miller

  • 9179 Answers

SOURCE: Sharp convection microwave R-1870 runs about one

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.

Posted on Dec 18, 2010

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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

Replacing the riveted clearance lights on a 1991 holiday rambler motorhome?


Grind the top of the rivets off, then with a small punch and hammer tap the rivet into the hole.

Apr 01, 2014 | 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

Sharp convection microwave R-1870 runs about one minute and shuts off. damper Motor switch?


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.

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

1 Answer

No matter what time i put in it cuts off in 60 seconds on a sharp


This sounds like a bad damper switch or motor. Double check the shut off time....... see if it's actually 59 seconds..
When you unplug the unit from the wall for 2 minutes then plug it bad in, you should be able to faintly hear a motor run for a few seconds. This is the damper motor running. This will verify that the motor is operating.....
Also, check the thermistor.

Sep 08, 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

Removal from a motorhome



We regularly repair the circuit boards of microwave which are hit by storm surges, etc.


This repair usually runs $39.95 to $64.95, depending on if we have to replace the low power transformer. I just thought I'd mention this if you're interested.

But if you've decided on replacing it, the installation manual should be helpful in removing it from the wall. See it here.

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

Feel free to contact me directly for more information & help.

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

Oct 06, 2008 | Sharp R-1870 Convection/Microwave Oven

2 Answers

Sharp model 1870


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

bb30772.jpg

Aug 08, 2008 | Sharp R-1870 Convection/Microwave Oven

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