Question about Frigidaire FMV156DC Microwave Oven

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I have an fsv156DCA Frigidaire microwave. When we finish heating something, open the door to take it out and shut the door and it comes on b y itself. Even if the timer is on zero and have to open the door again for it to shut off. Does this sporatically. Not alll the time

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  • Frigidaire Master
  • 8,820 Answers

This is usually caused by either a bad door switch or a loose door switch mount, which are pretty simple problems to fix.

Even though a door switch clicks, it may still be bad inside.

Door switch or mount trouble is usually caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

One test that sometimes helps is to gently lift up (and/or push down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue.

If you or 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:.

You can find helpful exploded view diagrams and order parts by entering your full model number here.

There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

If you don't find yours, or if you want to look at it without disassembling the oven, you can download it here.

If you only need a switch, you can order a universal type here for $5 postpaid.

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

Posted on Dec 28, 2008

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Good Morning friend, thank you for your post!

I see that you are having difficulties with your Frigidaire microwave not shutting off. This could be a possible issue with your control panel or door switch. I would recommend performing a reset on your microwave and that can help clear out any potential miscommunications. To perform a reset you can flip the household circuit breaker off for roughly ten minutes. If that does not help resolve your issue you may need to seek assistance from a professional technician for proper diagnosis and repair. Hope this is helpful. -Matt

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Hey friend, thanks for your post!

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

microwavesvc_19.jpg

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Kind Regards,

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