Question about Magic Chef MCB780W Microwave Oven
I've had this unit for over 9 years and it still cooks great, but now it runs the fan, light and turntable even when cooking is done. With the door closed, the llight, fan and t/table runs continuously, but not the magnetron. You can set all controls and hit START and the magnetron comes on and cooks as usual, but when it stops and the beep goes off, the fan, light and t/table keep running. We leave the door open until we're ready to use it. Does this sound like a simple, inexpensive fix, or one where a control board has to be replaced, probably at a cost rivaling a new unit?
Hi, I am not sure of the cost concerning the control board, however, it does sound like a control board problem, or a door switch problem, I would need to see the specific unit diagram to know for sure, but many microwaves, not all, but many, have a door switch related to that part of the circuit, usually the fuse would blow at that point, but there again, it depends on the circuit. I would suggest you get the unit checked soon however. Hope that helps somewhat, and thank you.
Posted on Jan 24, 2009
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Posted on Jan 02, 2017
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