Question about Emerson MW8987B/W Microwave Oven

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Stopped working I was using the microwave - it completed the cycle. I took the item out the shut the door and it has not worked since. everytime i open the mcirowave door it blows the circuit.

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If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

If you or someone you know decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, and our link is at our listing here on FixYa.

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

Posted on Aug 08, 2008

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Roper Microwave fan won't shut off


THE FAN AND MICROWAVE TUBE RUN OFF THE ELECTRONIC TIMER. OPENING THE DOOR SHOULD SHUT IT ALL DOWN AND WHEN YOU CLOSE THE DOOR AGAIN YOU SHOULD NEED TO PRESS THE START BUTTON AGAIN. IF NOT, ITS SOUNDS LIKE AN ELECTRONIC RELAY IS LOCKED CLOSED ON THE TIMER BOARD.

Aug 28, 2007 | Sharp R-1610 Microwave Oven

1 Answer

How come my microwave stopped working?


Seems this is only a coincidence and there is no possibility that items on top of the microwave could have caused this malfunctioning.

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

Jan 21, 2013 | Hamilton Beach Microwave Ovens

1 Answer

This microwave is about 5 years old. It suddenly stopped working. No power, no lights coming on, just shut off completely. Can it be fixed?


Yes it can be fixed! the main fuse in the microwave has blown, this is usually caused by a defective door switch, but on occasion it is just the fuse.

Feb 11, 2011 | Sharp R305KS Microwave Oven

1 Answer

Oven will not cook. turntable and fan will not operate, but light, timers controls all appear to operate. checked door seal and allignment and appear to be ok. oven is 4 days old. it stopped operating...


its a defective lower door interlock switch or a faulty relay or triac. First try again a pick up a little or push down a little on the door and see if it will work

Sep 12, 2009 | Haier MWM10100SS Microwave Oven

3 Answers

Microwave turns on and counts down but won't heat up/cook


Ok just figured this out! It is a problem with the alignment on the lower door switch. I took the cabinet off and lifted up on the door switch slightly and voila! It works. You could probably fix this without taking it apart, just lift up on the door ever so slightly. I hope this works for you.

Jan 13, 2009 | Emerson MW8102SS 1100 Watts Microwave Oven

1 Answer

LMV1630st sparked and then stopped working.


http://www.fixya.com/support/t886241-power_turns_off

please use this link to view another servicemans explanaton of what your problem is and hopw to address. In essence, you should ALWAYs press the stop button before opening the door... Hope this helps you...

Sep 01, 2008 | LG LMV1630ST Microwave Oven

1 Answer

Stopped working


check door switches, and control circuit and related spaes.

Oct 28, 2007 | Emerson MW8107WA Microwave Oven

2 Answers

My microwave has stopped working and switched on suddenly!!


Sounds just like a bad door switch or door switch mount. Probably the upper one. Safety info, disassembly tips, and door switch test and replacement info are all available at our Web site. See http://tinyurl.com/yzjozk

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