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Maytag microwave not heating
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Model: MMV4205AAB Brand: Maytag Age: 1 - 5 years
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donny1  
#1 Posted : Friday, July 29, 2011 2:26:43 PM(UTC)
donny1

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Joined: 7/29/2011(UTC)
Posts: 1
My microwave is not heating food. Everything else works. Per Maytag, I replaced the magnetron with no luck. I am an HVAC service tech by trade. I have narrowed it down to the transformer as I am seeing 120V present at the transformer when the unit is calling for heat but I am only seeing 3V at the magnetron. ( I am not sure what I am supposed to be seeing there as I have no wiring diagram and the transformer does not say what the output voltage should be )
The capacitor is good.
I am also having issues ohming out the transformer as it has an odd number of leads coming out of it. Not typical from what I am used to seeing,
Any help would be great! And if anyone wants to buy a brand new magnetron (cheap) let me know. It is apparently un-returnable.
Thank you
Don
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bushyiii  
#2 Posted : Sunday, May 12, 2013 4:32:05 PM(UTC)
bushyiii

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Joined: 5/12/2013(UTC)
Posts: 2
It is probably the Diode, it boosts the DC up to 5kv. If you still have the magnetron I am interested in it.
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maytag microwave not heating (Microwave Repair)
by iamatke 1/4/2011 6:26:44 AM(UTC)
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