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My panasonic microwave model NN-A574SB keeps cutting out after 5 seconds. Is ther anything I can do to fix this? Do you know why it is automatically cutting out? Any diagnosis would be gratfully recieved. Thanks.

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  • Anonymous Oct 05, 2008

    I have the same problem and mine is less than 3 weeks old ans so it is going straight back. Im wondering if I should now buy another make now though as it seems a common problem with the panasonic microwaves?!

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  • Microwave Ovens Master
  • 8,820 Answers

Could it be 3 seconds?

If the digital programmer circuit / controller does not get a feedback signal from the inverter for a period of 3 seconds, the controller will stop the cook cycle.

In most cases, this is a problem with the inverter or a bad magnetron.

Due to the lethal voltages used and produced, I do not recommend that an inexperienced person work on these.

I would recommend that you contact your nearest Panasonic-authorized servicer.

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

Posted on Aug 08, 2008

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I bought the panasonic A574SB in January this year. Since having this occasionally the microwave part cut out after 6-10 seconds, at first I thought this was saftey device. the microwave will now not...


According to a report we received, if it stops after 7 seconds, it has a problem with the inverter.

Since it's less than one year old, it should be fully covered under warranty.

I'd suggest contacting the manufacturer to get it fixed free.

You can find an authorized Panasonic servicer here.

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

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