Question about KitchenAid Architect II KHHC2090S Convection/Microwave Oven

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KitchenAid Architect II KHHC2090S Stainless Steel 1200 Watts Convection / Microwave Oven. Microwave quit heating. Inverter and magnetron replaced by the repairman. Still no heat but the magnetron gets smoking hot in a matter of seconds. Thanks.

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  • john_w_joy Mar 24, 2011

    He checked the waveguide. Saw two "probes" protruding into it and said that was the issue. The probes have been there since day one so unless a shielding of some sorts has eroded over time (thus shorting to the chasis) I am stumped. We are getting a new microwave underwarranty but it would be nice to know why it isn't working. Thanks again.

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  • Master
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Perhaps the "repairman" should take another look at it. A lot of microwave ovens have an aerial that directs the energy out to the load or food to be heated.
Maybe...maybe not but worth a look behind the waveguide cover I would say.

Posted on Mar 24, 2011

  • specialistel Mar 25, 2011

    I have had this problem twice in 25 years of repairing them. Once it was a Sanyo type with an aerial deflector put in the wrong way around and the other time was a faulty magnetron.
    I suspect the latter.

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