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Whirlpool Microwave MG3090xaq/b bad magnetron?


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3 replies to this topic

#1 jay1028

jay1028

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Posted 21 October 2011 - 01:00 PM

Microwave turns on but does not cook. Makes much louder hum than normal. Opened it up and had bad smell around magnetron. Tested diode and capacitor and both test ok. Magnetron number is 2m210-m14. Found mag on auction for 2m210-m1 but not m14. How often do mags fail? This one is over 10 years old and hate to give it up. It has a stainless interior and very easy to clean hard to find a new one like it.

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#2 Samurai Appliance Repair Man

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Posted 21 October 2011 - 02:06 PM

If you got 10 years out of this magnetron, it owes you nothing at this point. With many GE magnetrons, you're lucky to get four years.

Your OEM replacement magnetron has a 365-day warranty ==> Magnetron

#3 jay1028

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Posted 27 October 2011 - 12:10 PM

Thanks, you are right. I am going to buy a new unit. I am not 100% sure the mag is the problem. The transformer seems ok because when I disconnect the lead going to the diode, the loud hum is gone. If I connect the lead back to the diode and disconnect the filament leads, no hum. But when I connect just one filament lead to the mag, loud hum.

#4 Samurai Appliance Repair Man

Samurai Appliance Repair Man

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Posted 27 October 2011 - 02:11 PM

Sounds like you be needin' The Willie Method™ for testing a microwave oven magnetron tube




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