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Microwave heats intermittently

Hi......Panasonic Microwave in my RV heats intermittently.......when you set time and press start sometimes it heats OK.........then other times it DOES NOT heat even though it otherwise acts like like it does when it heats a measuring cup full of water

Need Panasonic Microwave Oven NN-S548BAV service manual.....Thanking You In Advance........Doug

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Doug, not not attempt repairs on your m/wave unless you have had training.
When you take off the cover even with the plug turned off, their is still charge inside the m/wave which could kill you!
sounds like the magnetron may be faulty, get your approved engineers to carry out a' power check' on the magnetron etc,

Posted on Sep 28, 2009

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Posted on Jan 02, 2017

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Sometimes you have to press Clock, Clear numbers, then Clock or Start.

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If this doesn't do it for you, could you post a clear photo of your control panel?

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

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