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Emerson Microwave I have an Emerson MW8115SS microwave. It was given to me by a friend not too long ago. The microwave turns on with the door open, but when you shut the door it blows the breaker in the house. I removed the cover and the fuse is good. I removed and tested the door switches and they are good as well. I used a DVM to probe voltage and I get voltage to the HV transformer 200vac. I have tried it numerous times and it throughs the breaker in the house every time. My assumption was that a power wire was grounded somewhere inside, but I did not see any wire problems anywhere. I need some suggestions to get this thing fixed. Thank you.

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I would presume you know hot to use a VOM too, check the resistance of the wire as you close the door, if it would be too small, then you can test the wiring.

it could have been that the door switches was wired incorrect and once you close the door, the two lines are shorting out.

another odd thing you said is that it turn on with the door open.
that should not be the case because of microwave energy leaking out thru the door.
this door has the safety switch where in it would not or stop running once you accidentally open the door.

if you can trace the diagram which is usually pasted at the inner wall of the cover.

tnx 4 using fixya,

drcool


Posted on Sep 01, 2008

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Emerson Microwave MW8115SS --


I would suggest you check the door switches inside the microwave oven just below the keypad, rectangular in shape. The switches are normally open or closed, set meter to ohms, unhook lead from one side and test with door open and closed. If readings are the same both ways the switch is defective. "check all switches"

Mar 19, 2012 | Emerson Fans Emerson MW8115SS Microwave...

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Emerson model mw8115 ss


The problem is caused by one or two bad door switches that will need to be replaced.

Mar 14, 2012 | Emerson Fans Emerson MW8115SS Microwave...

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MY EMERSON MICROWAVE WILL NOT START. THE DIGITAL DISPLAY AND INSIDE LIGHT IS ON .


That's probably a bad top or bottom (not center) door switch, or one of the switches' mounts is bad.

See my help file on door switches.

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

Jul 08, 2011 | Emerson Fans Emerson MW8115SS Microwave...

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The fan and light com on when the door is open and the carousel turns. When you close the door everything stops.


Check the door interlock switches, you may have a faulty switch or a blown fuse inside the microwave.

Dec 31, 2010 | Emerson Fans Emerson MW8115SS Microwave...

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Microwave stopped working during heating process....timier works but does not make that microwave sound


Hi,


Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Basic Microwave Oven Troubleshooting Tips

heatman101



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Dec 28, 2010 | Emerson Fans Emerson MW8115SS Microwave...

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Model mw8115ss suffix a Emerson Microwave not working


This is usually caused by either a bad door switch, a loose door switch mount, or a misaligned door.

Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.

Door switch or mount trouble can be caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

One test that sometimes helps is to gently lift up (and/or push down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue.

If you or someone you know decide to look into it, we have critical information on safety, disassembly and door switches 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.

Aug 03, 2008 | Emerson Fans Emerson MW8115SS Microwave...

1 Answer

Ummmm I feel stupid


The manual is on the Emerson site at:
http://www.emersonradio.com/owners/MWO%20manual/MW8115SS.PDF

But it doesn't seem to mention a way for you to change the lamp.

Manufacturers used to include access panels in the rear or side so you could easily change the bulb. That exposed the customer to 110V connectors, and that posed a real liability threat, so they stopped using them.

You now must generally remove the outer cover to replace the bulb.

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk

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