Question about Magic Chef CMV1000B Microwave Oven
Recycled power and it returned to normal for a short time then problem came back. No control, no vent, no light. Occasionally everything ok for a short period of time then symptoms returned.
This morning it lost power; the display is blank.
HTML clipboardYou have a shorting
membrane keypad. If and when an oven is coming on or doing anything by itself, this is very dangerous and can result in a fire.
So until it is repaired, please leave it unplugged or leave the door open when it's not in use, and please do not leave it running unattended.
If you (or someone you know) might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved.
You can order parts here. You have to search by model, then look for the "switch membrane". It's part number 3518572100W.
In this case, you simply move your circuit board into the new frame. That is a simple do-it-yourself job.
At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.
If you would like to have us do this repair for you, we do that for $39.95 plus part costs & shipping ($45.85) for a total of $85.90.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
HTML clipboardWilliam E. Miller, AS-EET
Posted on Jun 16, 2009
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Posted on Jan 02, 2017
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If the microwave runs for a few seconds and then shuts off, a door switch might have failed intermittently. Check each of the door switches for any signs of overheating, arcing, or burning. Also check each of them for continuity. Replace any of the switches that is visibly damaged or that only has continuity intermittently
the microwave runs for a few seconds and stops the touchpad and
control panel might be defective. There are several other components
that can cause this problem, be sure to check any other components
before replacing this board.
the microwave runs for a few seconds and stops the touchpad might be
at fault. This is not common. Generally speaking, if the microwave
display is working and some of the buttons respond correctly but
some don't, the problem is with the touchpad.
the microwave runs for a few seconds and stops the thermostat might
be defective. Watch our video on testing thermostat
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