Question about Panasonic Microwave Ovens

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Food is taking forever to cook in my new Panasonic inverter NN-CT870W! Had the previous one 7 yrs no problem, in new one convection seems not to get to hot enough temperature & my food is not properly cooked. Could there be a fault with it?

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6 Suggested Answers

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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9047 Answers

SOURCE: Microwave does not heat food placed in the center of the turntable. Leaves a cold spot in the middle of the food.

This is normal. That's why I always recommend to my customers that the food be placed slightly off-center on the turntable. An analogy I refer to is stirring paint: If you stir paint with a stick by simply rotating the stick in the center of the can, it's far less effective than pulling the stick around an imaginary circle halfway bewteen the center and the edge.

Posted on Sep 15, 2006

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MicrowaveSvc
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SOURCE: Panasonic Model NN T964SF inverter

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 02, 2008

SOURCE: Panasonic NN-CS596S Convection Combi Steam Oven

Thanks for this. Thats exactly what I did. It didn't work at first, however, I think it was my impatience! After selecting the Microwave, you MUST wait until you are told via the screen to input the time. It now works fine. Thanks again. Just needed perseverance! Mike

Posted on Aug 18, 2008

ginko
  • 19396 Answers

SOURCE: everything runs but food does not heat up

est the high voltage capacitor,the rectifier diode.or the magnetron. If all this are fine, test the control board.

Thediode and capacitors can br tested. The capacitor must bealloweddischarge before testing, or you risk to get electrocuted, evenifpower is off. Capacitors can get discharged by shorting theirtwocontacts.
Before replacing the magnetron test also the control board.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.



All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, contact the seller here to purchase parts.

Posted on Apr 27, 2009

bestdarngood
  • 3037 Answers

SOURCE: My Panasonic Microwave Genius 1300W will not heat

Sounds like the magnetron has failed. This is the component that produces the microwaves that heats the food.

The cost of the magnetron is about 95% of the cost of a microwave oven. Most people don't, for this reason, replace the magnetron, they replace the whole oven which is probably what you will end up doing.

There is a possibility that the circuit that provides power to the magnetron is faulty and you need to take it apart, find the proper electrical leads and test them with a volt meter. To do this you have to remove it from its mounting and take it apart. It is a fairly lengthy process however.


Benjamin

Posted on May 26, 2009

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

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I would recommend that you contact your nearest Panasonic-authorized servicer. You can find one here.

We're happy to help and we appreciate your thoughtful rating of our answer.

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