Microwave not heating: replace Magnetron and what else? - Appliance Repair Forum

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Microwave not heating: replace Magnetron and what else? Options Email this topic Watch this topic Print this topic » Normal Threaded
Model: JVM3670SK02	Brand: GE	Age: 1 - 5 years
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dougt100		#1 Posted : Thursday, May 13, 2010 4:19:51 AM(UTC)
Rank: Member Groups: Registered Joined: 5/13/2010(UTC) Posts: 2		Microwave lights up, etc. but does not heat. Makes a "strange" sound. I'm quite sure that the magnetron is to blame, but I want to make sure that I purchase any other parts; if absolutley necessary. I have seen post/replies regarding a Capacitor and/or Diode (but these are often more resilient and I would assume not need replacing). Thank you.


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ApplianceJunk		#2 Posted : Thursday, May 13, 2010 7:33:55 AM(UTC)
Rank: Advanced Member Groups: Senior Expert Joined: 7/24/2007(UTC) Posts: 2,277		Why are you so sure it's the megnetron that is bad? Are you even sure it's a problem on the high voltage side? I replace far more high voltage diodes then I do megnetrons on microwaves that run, but do not heat and make a funny noise. Diodes are many times cheaper and easier to replace then megnetrons too. :)


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dougt100		#3 Posted : Thursday, May 13, 2010 12:43:21 PM(UTC)
Rank: Member Groups: Registered Joined: 5/13/2010(UTC) Posts: 2		Thanks for the feedback. I never thought that a diode could cause the problem. Should I just take ohm readings to verify that the diode is good/bad? Not sure what the procedure is... Are the only two possible "culprits" to non-heating the diode and/or magnetron? Is there anything else to consider?


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