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Whirlpool AVM 230 Microwave short circuit

My Microwave caused the circuit breaker to swicth off after pushing the start button. Being in a hurry I actually set the temperature and pushed the start button very rapidly after that. I'm pretty sure not at the same time though, since I had to move my hand to hit the start button.

After a pretty loud noise there was some gun powder like burned smell. A day later I opened up the device for visual inspection, but I couldn't find anything. After I put back the covering I powered it up again and it still seems to function.

My question is, is the microwave still safe to use now? Some component must have got damaged during the short circuit and something must have caused it to happen?

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  • druiper Sep 17, 2008

    Thanks for your excellent reply. I have been using the microwave since I had the problem and it functions normally. But I'll keep the links you gave in mind in case of future problems.

    At the part store my model Whirlpool AVM 230/WP/WH was unknown. I figure it was only made for the European market or only labeled as Whirlpool but actually a Philips device.

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  • 8,820 Answers

If the fuse or breaker blew again, you probably have a shorted high voltage capacitor. If not, then you may have a shorted high voltage rectifier diode.

Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.gallawa.com/microtech/cap_test.html
http://www.gallawa.com/microtech/diode.html
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html

You can usually 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.

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

Posted on Sep 16, 2008

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