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GE Advantium PSB9240SF1SS - Loud hum when Microwave started


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Posted

Greetings, my 240v Advantium suddenly started making loud hum when starting microwave. Speedcook and oven features seem to be fine  breakers appear to be fine and have reset and nothing changes. The sound is reminds me of a 3phase motor without one leg.

I have changed the board in the past. 

I’m in rural KS and techs are hard to come by. 
 

Any help greatly appreciated.

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  • Brant P

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  • EngineeredAppliance

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EngineeredAppliance
Posted

Sounds like you magnetron maybe going bad. 

Posted

Could you point me to a resource to help validate that?

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