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Microwave not making any sound, or heating. control panel works!

Peace! hope you can give me some advice... im thinking of opening my microwave up the problem is... The Microwaves lights come on and countdown timer starts all fine but the plate does not turn and there is no sound of anything working and nothing is heating. whats going on?

hope you can help. thanks Tikka

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  • Tikka Jan 21, 2008

    found the problem it was just a fuse that had blown internally, only thing is it blew again... when i slammed the door! :-( here we go again

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This microwave probably has a serious electrical problem...a defective magnetron or rectifier. It should probably be checked by someone who is familiar with electrical repairs...there can be high voltage inside and a danger of electric shock, even when the oven is off.

Posted on Jan 18, 2008

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Posted on Jan 02, 2017

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Amana Radarange Model ACM 1580AW makes a noise, won't heat electrical burning smell coming from microwave.


It may be a failed high voltage diode, high voltage transformer, or magnetron, or just a bad relay on the control board.

If you could take a video with sound and send it to me, I may be able to diagnose it by the noise, then give you detailed help on repair.

For more free DIY and other help & advice, feel free to contact me.

William E. Miller, AS-EET
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Make sure that the program controller is working if not check power - step down supply, the pads are responding- if not faulty pads- or the door switches, if the switch contact are not good then it will not trigger the processor to switch on the waveguides. If the lights or fan work without any display or action of program being triggered to start then it can be a possible fault on the main board or the processor. Sometimes insect secretion can short the board and display panel and so the processor can work in such an erratic manner. If so clean, solder and reset the board. Now identify the parts by clicking this link: http://www.espares.co.uk/advice/microwave/a/5/141/identifying-microwave-parts.html If there is no heating please do not switch on unless you have confirmed the fault. It is possible that the Magnetron is faulty, the temperature cut off is faulty or the main capacitor is short. It is also quite possible that insect can get into the oven and create soft spots. When you switch on these will create a short and make the voltage jump and in the long run damage the magnetron. Check this link to know how a microwave works: http://www.espares.co.uk/advice/microwave/a/5/1443/how-a-microwave-oven-works.html So Remove cover after disconnecting , check for dirt/moisture in the cabin, if so wipe clean and dry, check the magnetron and area clean and use an jet air to clean off. Check the wave guide covers, if food had deposited then it must be checked or replaced. See link: http://www.espares.co.uk/advice/microwave/a/5/1146/how-to-replace-a-microwave-guide-cover.html Now keeping clear of the microwave, switch on; use a cup of water inside to test. If you notice any sparks shut off as the magnetron or the main HT capacitor can be faulty. replace with same type. If there is heating without any issues, you can use the microwave safely

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1 Answer

The Microwave dosent heated and its has sound


Make sure that the program controller is working if not check power - step down supply, the pads are responding- if not faulty pads- or the door switches, if the switch contact are not good then it will not trigger the processor to switch on the waveguides. If the lights or fan work without any display or action of program being triggered to start then it can be a possible fault on the main board or the processor. Sometimes insect secretion can short the board and display panel and so the processor can work in such an erratic manner. If so clean, solder and reset the board. Now identify the parts by clicking this link: http://www.espares.co.uk/advice/microwave/a/5/141/identifying-microwave-parts.html

If there is no heating please do not switch on unless you have confirmed the fault. It is possible that the Magnetron is faulty, the temperature cut off is faulty or the main capacitor is short. It is also quite possible that insect can get into the oven and create soft spots. When you switch on these will create a short and make the voltage jump and in the long run damage the magnetron. Check this link to know how a microwave works:

http://www.espares.co.uk/advice/microwave/a/5/1443/how-a-microwave-oven-works.html

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1 Answer

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It sounds like you may have a shorted cook relay on the control circuit board which can be repaired simply and inexpensively.

A YouTube video showing how to remove a typical over the range control panel assembly in under 5 minutes, is here.

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

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1 Answer

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Without your brand and model number, it's hard to give specific guidance, but when a microwave won't start, the first suspect is a bad door switch or door switch mount. See this file.

You mentioned that you clean the touch panel. I hope that a cleaning spray was not sprayed directly on the controls or on the oven. That's a big killer of controls.

You can find links to helpful exploded view diagrams and part ordering help here.

I recommend that you bookmark that link to your favorites.


Contract us if you need more free advice.

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Hi! check the fuse that goes through the magnetron because i think it is no functioning.

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if you say 'seems like common problem with this model' then just replace it and get another good model.
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2 Answers

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That would be a problem with your control board. It probably needs a few capacitors and a relay replaced and minor circuit board repair.

We regularly repair these control units for customers nationwide by mail for $39.95 postpaid in about a week with a one-year guarantee.

Feel free to contact me directly (and please remind me of your model number) 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

P.S. (to Guest: Please make a new post with your model number. I think your problem is different.)

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