Question about Emerson MW8107WA Microwave Oven

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Problems with the fan EMERSON MW8107WA

I have problem with the micro wave when closed the door the fan starting, where i can get a diagram. because i check all the switch and connections and all seem good. I hope your answer THANKS

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  • Anonymous Nov 12, 2007

    SIMILIAR PROBLEM WITH AN EMERSON MODEL # MWG9111SL. LINE OPENS AFTER ABOUT 5 MINS COOKING. COME BACK ON AFTER ABOUT 5 MINS COOLING OFF.... NEED SCHEMATIC. HOWARDJ34@AOL.COM

  • metalfreq Mar 24, 2008

    Bought an emerson model# mwg9111sl about 6-7 months ago from wal-mart. Worked ok for about 4-5 months and now it's quitting/shutting down during use after about a minute or so. The whole fan thing sounds very familiar. With the cover removed it appears to turn on when you shut the door! Not too sure what thats about? When it does quit during normal operation the light dims and the turntable still rotates. I'm gonna take a shot in the dark and assume it may be a micro switch myself. I have heard of several recalls in the combo ovens such as this one, due to excessive heat on these switches. Wonder if anyone with this model has experienced fires due to this reason? I am also very cusious about a potential class action suit. Any ideas, comments or suggestions feel free to contact me bzmyaj@aol.com

  • Anonymous Mar 06, 2009

    My emerson mw8119sb burned my wives finger when she put a dinner in the microwave it had not been used that day. It got extremely hot all over I had to unplug it. It could have started a fire. They have sent me a release of all claims paper and a promise of a new microwave. I checked reviews of other models and they all seem to have similar problems. I think we would be satified with a different brand without those problems.

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I know you say you checked all the switches and connections, but it sounds like a defect in the control mechanism. A defective microswitch, failure of one of the safety switches etc. Don't try to fix it yourself though as there are safety issues involved (high voltage and radiation) - get a repairman! Considering the low cost of new microwaves plus radiation concerns, you might also want to think about getting a new one.

Posted on Apr 04, 2006

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Posted on Jan 02, 2017

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I NEED A ELECTRIC DIAGRAM


Sure man NO Problem. There are two interlock switches in most micro's. Ones for the fan and ones for the magnatron and the transformer. The one for the fan can also control a lite. These micro switchs have a "n"ormally "o"pen position and when they are switched the normally open side closes there for turning on the cuircuit board that then switches on the fan,transformer ect. ect. Two test these switches simply look at the switch and you will see a "c." by one of the connections, That stands for common. Put one end of the ohm meter there. Next you will see "n.o." that stands for normally open so put the other end of the meter there and you should not get any reading. Next push the lever down and then the meter will give you a dirct short reading and should have no resistance at all and if it does measure even a few ohms that switch should be repalce as Ive seen these faulty switchs break down when current is on them and causes all kinds of intemittant connectins. Now with the other connction on the switch if there is one will have a "n.c." by it and that stands for normally closed. With the meter still on the 'c' connection put the meter on the nc without pushing on the switch. It should read a direct short also with no resistance. Now while holding on both same connections push down on the switch and it should not show anything as its wide open with no measurement at all. If it dosent do this then the switch is bad. Now almost every microwave made, there is a wiring diagram inside the outer cover. If its not there you can order one from the company but most micro's are almost all wired the same. Hope this helps. Good Luck

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