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Panasonic M/W NNSD297S dead short


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4 replies to this topic

#1 Sonic

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Posted 31 May 2013 - 12:07 AM

All the door switches test good. I even disconnected the short switch to make sure it wasn't an issue and I still popped the fuse. Magnetron not shorted to ground. I pulled the inverter and saw no damage. I Ohmed the CN703 with the magnetron leads disconnected and read continuity/ 0 ohms. This would shunt the magnetron and blow the fuse..yes?

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#2 Samurai Appliance Repair Man

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Posted 31 May 2013 - 08:29 AM

Did you test the magnetron from one of its terminals to ground?

#3 PDuff

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Posted 31 May 2013 - 09:15 AM

Also, at what point during heating is the line fuse blowing?



#4 Sonic

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Posted 31 May 2013 - 09:33 AM

I tested the magnetron from the leads going to the inverter board to ground.  The fuse blows right after I press start to cook. . 



#5 RegUS_PatOff

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Posted 31 May 2013 - 11:05 AM

more info: :woot:

http://appliantology...rs-repair-info/


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