Question about Panasonic NN-S252WF Microwave Oven

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My microwave is now running at half power, even though the power level shows 10 on the display. I have to double the time to cook everything. I tried cutting the power to the m/w, and then turning it back on after about a minute, but that didn't help.

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Load test.

A simple safety test.
Place 1/2 litre of water in a glass container. Measure the temperature of the water.
Place in microwave and heat on full power for 1minute.
Measure the temperature after it has stood for 1minute.
If the temperature difference is more than 9 degrees Celcuis the magnetron is working and producing about 700Watts of heat.
If your microwave is labelled with 900 or 1000Watts. That is about right.
If the temperature is less then the magnetron is not working properly and may need replacing.


This a only a rough guide and any doubts you should consult an authorised service agent.

Posted on Mar 20, 2011

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COOKING IN ONE STAGE
1. Press the POWER button; the Microwave and High
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2. Press the POWER button different times to set the
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OPERATION(CONTINUED)
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We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.


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Our GE over-the-range microwave stopped producing heat yesterday while warming part of the T-giving feast. Everything else (fan, control panel, light) works fine.

After disassembly and testing last night, I discovered a defective "secondary door switch." Your Kenmore uses a similar switch (~$19 on-line), and that might be the problem. But it also could be other things, such as a bad thermal cut-out.

If you know anyone who's handy with a multimeter, most of the basic diagnostics seem to be pretty straightforward.

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