Question about Panasonic NN-S960WA Microwave Oven

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Panasonic Microwave Warm

Panasonic NN-S960WA 1300w Inverter Microwave heats items but does not get them hot. There was a pop or crackling and a brief burned smell of an electrical component. After removing the cover, no obvious damage can be seen, except for load buzzing coming from the Hi-voltage microwave cage. All else is working fine. Just guessing here: I think...that the magnatron and inverter are both contained in this protective housing. The magatron is worth replacing but the inverter... cost more than the unit when new.

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  • RockieEstes Feb 07, 2008

    No separately mounted Cap (silver can) on this newer model. There is an SMPS kit available though to replace the IGBT (bolted to the heat sink) that was found to have a burned off lead. A few other pieces are available in the kit for change out and update as well. Kit691 from Wagner.net

  • RockieEstes Feb 17, 2008

    This "newer" model does not have the capacitor can anymore. All the parts are on the invertor board. The cap are tiny little fellas. The problem is the heat sink mounted "1M30D"
    IGBT (Insulated Gate Bipolar Transistor). This swit over-heated and burned a leg off at the circuit board.

  • rderamon Jan 28, 2009

    I have not taken the unit apart yet but it has the same basic problem. It heats but it doesn't power up all the way. After about 10 seconds or so, you can hear a crackling or buzzing noise coming from the unit. The serial number is AD011900646. It was manufactured in April 2000.



    Given its age it may not be worth fixing.



    Thank you for any help you can give me.



    Rod

  • Anonymous Mar 22, 2014

    I don't see a way to access the light bulb. Is it replaceable?

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Replace the h.v. capacitor (the silver can mounted in back under the magnatron) and the h.v. diode and it will be fine.
Hope Ya Fix It!

Posted on Jan 30, 2008

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