Question about Sharp R-1480 Microwave Oven

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Microwave door ...hwhen closed....oven light and fan will turn on

Will need to push door/apply pressure to door....then light and fan will go off...sometimes closing door 'harder' will avoid problem......

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William Miller
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  • Sharp Master
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This is usually caused by either a bad door switch or a loose door switch mount (which are pretty simple problems to fix).

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.

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:.

We have uploaded the R1480 service manual to our site here to help you.

If yours is a different model, please reply back.

The best place to order Sharp parts is Tritronics.

You can also call them at 866-779-5835.

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

Posted on Dec 08, 2008

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