Hi @mycatginger ,
My initial thought is the control board only because if it was the control pad, then, to my mind, the light, fan and turntable would also operate because the control pad doesn't control these functions. (don't know your model so maybe the light but not the others). It just sets up the control board and the start button sets it going. If it was the start button on the Control pad for example then I'd assume that 'all' the functions, light, fan turntable would work, when they shouldn't.
This all may be a moot point as I cannot find your model number listed in any of the Kenmore appliance spare parts suppliers available online. Neither SearsPartsDirect or AppliancePartsPros or RepairClinic recognize the model number even though the model number is correct as I found the User Guide for it. You could try calling them to see if they do have parts but they are not listed etc, or whether they know or not that the model is no longer supported for spare parts
It may be that there is a relay on the control board that supplies power to the magnetron and its contacts are stuck operated I don't know as I cannot find a schematic for the oven, (there isn't one on the inside of the oven cabinet is there?) so this is only conjecture
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Hi @mycatginger ,
What is the model number of the microwave?
Is the turntable rotating and the light and fan also coming on 'automatically' as well or just the humming noise?
Hi Jayeff, turntable, light and fan not coming on when I shut door. It starts up by itself. I hear this steady humming noise. Model 85600 or 592.85600-0. It was made in 2007. It was bought at Sears in Canada. My guess is the control pad is no good or the control board. If one of these two not sure if worth to fix because I believe these parts are expensive. I would appreciate any help. Thanks
It was built in 2008 not 2007. Sorry.
How would I check to see if the control board and or the control touch pad is bad?
Thanks jayeff for getting back to me. What you say makes sense. I would agree with you it's in the control board. I'm not sure if there is a relay to provide power to the magnetron . As there is no schematics to be found. I know it was built in 2008? Maybe it's time to retire this one. Just curious would you know roughly what the cost would be for the control board had I needed to change it? In Canadian dollars please? I'm guessing around $150??
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