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Faulty microwave Sharp Microwave r-96st When the microwave is switched on it runs for about ten seconds and shuts down. All the microwave functions appear to work ok, the oven,grill and  microwave. However the machine will only run for a very short time. Not sure which part is faulty.

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  • camcalli Nov 08, 2008

    My Panasonic microwave will turn on and the carousel revolves, but it will only run for about 10 seconds at a time.

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  • Microwave Ovens Master
  • 9,098 Answers

Since that's a European model, I don't have solid info on it.

If it's an inverter-equipped oven, it may be a problem with the inverter or magnetron.

Otherwise, I would first suspect this to be a door switch issue or a bad door switch mount.

You could try holding up or down (alternately) on the door to see if that changes the performance.

Another possibility is the damper. Normally they will run for 49 seconds and then stop when the damper system has a problem, but maybe a non-US market has different requirements...

Please see the diagram below for a typical convection damper system.

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

Please write back with more details if you need further help.

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

faulty microwave - 291ffae.jpg

Posted on Dec 04, 2007

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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.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/david_29ad5d1dd86564b0

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

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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.

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Panasonic Genius Microwave runs for 30 secs or so, then shuts off.


test this components and fix it. God bless you

  1. Main control boardIf your microwave runs for a few seconds and stops, the first thing to check is the main control board to ensure that a shortage has not occurred. If the part is defective then it will need to be replaced to prevent continual shut offs. If this is not the issue, the next step would be to check for a faulty touchpad.
  2. Touchpad/Control panelIf the control board is not the issue and your microwave continues to shut off after running for only a few seconds, the next thing to check is your touchpad, which is also known as a control panel. Although uncommon for this issue, symptoms are usually that the display and some buttons are working properly; however, when selected some buttons are not functioning. If this is the case the touchpad will need to be replaced.
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Sharp microwave R-410LK fan and light do not turn off.


follow this steps and fix it. God bless you

  1. Main control boardIf your microwave runs for a few seconds and stops, the first thing to check is the main control board to ensure that a shortage has not occurred. If the part is defective then it will need to be replaced to prevent continual shut offs. If this is not the issue, the next step would be to check for a faulty touchpad.
  2. Touchpad/Control panelIf the control board is not the issue and your microwave continues to shut off after running for only a few seconds, the next thing to check is your touchpad, which is also known as a control panel. Although uncommon for this issue, symptoms are usually that the display and some buttons are working properly; however, when selected some buttons are not functioning. If this is the case the touchpad will need to be replaced.

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The microwave will run for a minute and then shut off


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 (and Sharp-made Dacor and Wolf) models stop after 59 seconds.

See: http://www.fixya.com/uploads/Howto/B27054B.jpg

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Check the door switches to make sure they are not faulty, otherwise it may be the inverter.

IS the microwave in a cavity? If so, you need to have at least 15cm (6in) space above the microwave, 10cm (4in) behind the microwave, and 5cm (2in) on either side, as the latest Inverter microwaves run very hot and need a lot of ventilation.

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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.

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1 Answer

All functions work,but shut down in 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 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.

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

b27054b.jpg

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Faulty microwave function on the SHARP R-957 model (900watt)


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.

Info on ordering Sharp UK parts / spares is 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

2fe4c9c.jpg

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