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Posted on Jan 12, 2018

I have a microwave (Emerson Model#MW8111 SS and after removeing the cover to determine why I am not getting power I found a switch in line with the nuetral wire that is some sort of Klixon. It appears to be open and is not resetting. Can anyone explain the purpose of this switch and what it protects.

5 Related Answers

Anonymous

  • 72 Answers
  • Posted on Mar 07, 2008

SOURCE: Lightbulb in Emerson microwave model MW8115 SS

Hello,

You have 3 choices to use on removing the safety screw(s) on the MW (microwave or nuker as I call them) cover.

1 - The screw(s) is/are usually a modified TORX T-20 or T-25 bit adapter. Sometimes you can very carefully use a standard T-20/25 bit adapter to get the screw loosened. Sometimes! If that doesn't work then you have option #2.

2 - If #1 doesn't work you can use a small flat blade screwdriver that has been modified with a slot cut into the center of the blade end to bypass the center pin. First find a narrow enough flat blade srewdriver that you don't care about anymore, and make sure it fits rather snugly inside the screw-head just for a loose fit. If the blade is a bit wider - no problem - it can be ground down to fit snugly. Next - using a dremel tool and diamond cutting wheel attachment (or similar) cut a slot into the end of the blade. Make sure that the screwdriver is going to bite the insides of that screw-head first though before wasting a perfectly good screwdriver. You will have to adjust by trial and error until you get the blade to fit perfectly the head of the safety screw. If the screws are really tight use a pair of vice grips to clamp the screwdriver blade for extra leverage.

If neither of these methods work for you or you can't modify a special tool then you will have to do the last option.

3 - Using an easy out of proper size drill out the center pin and then use the proper "easy out" to back out the screw. Discard that/those screw(s) and replace with regular phillips head screws after replacing the light bulb.

Hopefully you will be able to do this repair yourself? Otherwise if your neighbor is Tim the Toolman Taylor I'm sure he'll be able to give you the necessary hand to do it for you.

Hope this helps fix your dilema you are in.

One note here -

Make sure you unplug the nuker first and be VERY CAREFUL as to NOT TOUCH the HIGH VOLTAGE CAPACITOR inside. Otherwise you risk a chance of SEVERE HIGH VOLTAGE SHOCK!!!!!!!!!

BE VERY CAREFUL....

Best regards,

Frank

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MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Oct 21, 2008

SOURCE: Emerson MW8106W Blew internal 20A fuse.

You almost certainly have a shorted high-voltage capacitor.

Here is a link you or someone you know can use for test help, but read the safety warnings first:
http://www.gallawa.com/microtech/cap_test.html

For more help from Emerson visit here or get help using your appliance at 1-800-898-9020. Get help locating a servicer or parts at 1-800-695-0098.

Emerson parts are distributed by Fox International and their number is 800-321-6993. Or you might try e-mailing [email protected]

Many Emerson microwave owner's manuals are available for free download here.

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

MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Jan 12, 2009

SOURCE: mw8115ssw no power

There's no reset button, only a a hard reset. Unplug the unit for a minute or so. Then plug it back in and see if ti works.

A microwave can be dead for many reasons.

It may be the fuse, which is usually located on the floor of the oven behind the control panel, between the door switches, or on the filter board near where the cord comes into the unit.

If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:
http://www.microwavedisplay.com/safety.txt
http://www.microwavedisplay.com/disassembly.txt

For more help from Emerson visit here or get help using your appliance at 1-800-898-9020. Get help locating an authorized servicer or parts at 1-800-695-0098.

Emerson parts are distributed by Fox International and their number is 800-321-6993. Or you might try e-mailing [email protected]

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

Anonymous

  • 234 Answers
  • Posted on Mar 14, 2009

SOURCE: Replace Emerson Microwave Ove Fuse

Most of the manufactory has put them in the back where the power cord comes in.

Anonymous

  • 998 Answers
  • Posted on Aug 12, 2009

SOURCE: Loud Humming no heating

check diode

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You almost certainly have a shorted high-voltage capacitor.

Here is a link you or someone you know can use for test help, but read the safety warnings first:
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For more help from Emerson visit here or get help using your appliance at 1-800-898-9020. Get help locating a servicer or parts at 1-800-695-0098.

Emerson parts are distributed by Fox International and their number is 800-321-6993. Or you might try e-mailing [email protected]

Many Emerson microwave owner's manuals are available for free download here.

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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


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