Question about Microwave Ovens

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My LG Combi Microwave oven MC 806BL flashed up error code F2 while pre-heating the convection oven. Now it is not cooking properly on any setting. Is it completly broken?

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  • 3 more comments 
  • dawnrazor Apr 20, 2008

    To clarify, the plate is turning and the light is on but there is no heat on microwave, convection or any of the settings. Basically it is not cooking/heating up at all.

  • dawnrazor Apr 21, 2008

    There is nothing wrong with the door. It is simply not cooking.

  • William Miller
    William Miller May 11, 2010

    Can you clarify what you mean by "not cooking properly on any setting"?

    Thanks.

  • Anonymous Mar 13, 2014

    My microwave convection oven just stopped working and the error code 0--o came up.

  • Anonymous Mar 20, 2014

    Error code f2 is displayed on screen once the cooking has completed

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  • Microwave Ovens Master
  • 8,820 Answers

This is usually caused by either a bad door switch (usually the top one), a loose door switch mount, or a problem on the control panel.

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.

If you 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: http://tinyurl.com/yzjozk

If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases.

We're happy to help and we appreciate your thoughtful rating of our answer.

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

Posted on Apr 20, 2008

  • William Miller
    William Miller Apr 21, 2008


    Sorry, but how was my solution inappropriate??

    Looking at recent model LG microwave schematics, everything points to a failure of the top door switch or its mount...

    I would again refer you to my answer above.

  • William Miller
    William Miller Apr 21, 2008


    As shown in the sample drawing below, there are hidden switches that get activated by the hook-like projections on your microwave's door whenever the door is closed.

    That's how the microwave knows whether its door is open or closed.

    One of those hidden door switches (probably the top one) is not getting activated when the door is closed.

    That's why it won't heat.

    It's a little bit like the door switch on your clothes dryer - if you open the door, it stops running.

    Or the door switch on your fridge that turns the inside light on when your open the door and turns it off when you close the door.

    Sorry if I didn't make that clear.


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