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Billu  
#1 Posted : Wednesday, October 5, 2011 9:40:36 AM(UTC)
Billu

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My Frigidaire microwave will not heat. All other functions are ok lights, timer, turn table etc. is there a internal fuse i can replace or is it just the magnetron?

FRIGIDAIRE Frigidaire/microwave PLMVZ169GCA
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Gene  
#2 Posted : Wednesday, October 5, 2011 11:49:46 AM(UTC)
Gene

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Does it make any unusual noise?

Here are the breakdown diagrams and Replacement parts for FRIGIDAIRE PLMVZ169GCA Frigidaire/microwave | AppliancePartsPros.com

Gene.
Billu  
#3 Posted : Wednesday, October 5, 2011 1:06:36 PM(UTC)
Billu

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No it sounds normal, internal fan runs, light is on, table turns
Gene  
#4 Posted : Wednesday, October 5, 2011 2:00:41 PM(UTC)
Gene

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Sounds like the magnetron is the culprit.

Gene.
Billu  
#5 Posted : Wednesday, October 5, 2011 6:53:54 PM(UTC)
Billu

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That works for me, the wiring diagram was hard to read I wanted to be sure there was not a fuse that was cheaper.

Thanks
Billu  
#6 Posted : Wednesday, October 5, 2011 7:00:32 PM(UTC)
Billu

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Anyone aware of a warranty for the magnetron? I hear that some extend beyond one year?
Billu  
#7 Posted : Monday, October 10, 2011 6:15:49 PM(UTC)
Billu

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Replaced the magnetron, still won't heat and now there is a louder noise when the unit is running
Gene  
#8 Posted : Wednesday, October 12, 2011 12:14:47 PM(UTC)
Gene

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Check the rectifier (high voltage diode) - #1 on the diagram.

You can find more information in one of our previous threads: http://forum.appliancepartspros...19868-diode-testing.html

Gene.
Billu  
#9 Posted : Friday, November 25, 2011 1:55:02 PM(UTC)
Billu

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ok - i replaced the rectifier it tested bad and the new one tests ok - still no heating - making a low toned buzz - different from before? i went back to the old magnetron based on the rectifier being bad - should i put in the new magnetron or is there another piece to the puzzle??
Billu  
#10 Posted : Friday, November 25, 2011 2:17:11 PM(UTC)
Billu

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i decided to test the diode again and it is showing no continuity from either direction - my guess is something fried the new one? what else can i replace or test?
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