Question about Panasonic Microwave Ovens

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I have the Panasonic "The Genius" 1300 w microwave. I can not get it to work properly. When I push the time to cook then start, the light comes on (no sound from microwave) the timer goes down 2-3 seconds then shuts off. What is wrong

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This is usually caused by either a bad door switch, a loose door switch mount, or occasionally a problem on the control panel.

Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.

Door switch or mount trouble can be 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:.

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 this case, it's probably happening because it;'s not cooking due to a switch problem.

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

Posted on Aug 18, 2008

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    See if this describes what's happening:
    • Put in time, push start and unit runs for 2 seconds, relay clicks, unit goes off. Cook time on display goes off and clock time comes back. Bad upper interlock switch and charred connector.
    If so, see http://www.microwavedisplay.com/safety.txt , http://www.microwavedisplay.com/disassembly.txt and http://www.microwavedisplay.com/doorsw.txt

    Otherwise, 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.

    That may be a loose connection in the wiring between the inverter, magnetron, and/or control board, or maybe one of those components has failed.


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

    You can find many Panasonic owner's manuals for free download here.

    You can find an authorized Panasonic servicer here.

    In Canada, you can find an authorized Panasonic servicer here.

    If you're not in the US, see Panasonic.net.

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

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    See if this describes what's happening:
    • Put in time, push start and unit runs for 2 seconds, relay clicks, unit goes off. Cook time on display goes off and clock time comes back. Bad upper interlock switch and charred connector
    If so, see http://www.microwavedisplay.com/safety.txt , http://www.microwavedisplay.com/disassembly.txt and http://www.microwavedisplay.com/doorsw.txt

    Otherwise, 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.

    That may be a loose connection in the wiring between the inverter, magnetron, and/or control board, or maybe one of those components has failed.


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

    You can find many Panasonic owner's manuals for free download here.

    You can find an authorized Panasonic servicer here.

    In Canada, you can find an authorized Panasonic servicer here.

    If you're not in the US, see Panasonic.net.

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

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    Otherwise, 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.

    That may be a loose connection in the wiring between the inverter, magnetron, and/or control board, or maybe one of those components has failed.


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

    You can find an authorized Panasonic servicer here.

    In Canada, you can find an authorized Panasonic servicer here.

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