Question about Sharp R-930AK Convection/Microwave Oven

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Dacor dcm24s.light, fan, and control panel work but turntable and heat do not

My 3 year old Dacor DCM24S convection/microwave looks like it's working, but the turntable doesn't turn and the magnetron doesn't come on.

The control panel works fine, counts down to zero and beeps. The light comes on when the door is opened or microwave is running. The fan comes on.

I've taken the cover off and looked at the door switches and interlock. They all "look" OK. No discoloration, no loose connections, nice click when engaging. I do not have a meter to check for faulty switches, etc.

The turntable when turned manually does spin the motor.

Would the microwave act like this with a bad switch, or would it just not do anything when the start button was hit?

If it's the magnetron, why doesn't the turntable turn now?

Is there anything that would explain no heat and no spinning turntable?

Thanks.

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Most likely the bottom door switch. Dacor units are built by Sharp and that switch is a very common problem. You'd either need to check the switch with an ohm meter or remove the cover of the switch to see if it's burned inside.

Posted on Dec 23, 2008

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