Question about Sharp Microwave Ovens

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I have a Sharp R8350 microwave/convection oven (old). The fan continues to run and I have to unplug it to make it stop. Any suggestions?

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  • tsnow340 Jun 01, 2011

    I am unable to locate a thermostat behind the control board. I found one towards the back, but if I disconnect either one I have no power. Do you have a diagram?

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Hello & Welcome to FixYa

If the fan receives a signal that the oven is hot it will keep on running. There is a thermostat just behind the control board inside the microwave control cavity. This part has two wires going into it, if you disconnect one of the wires and the fan continues to run then it means that the control board is bad however, if it stops after disconnecting the wire then it means that this thermostat is bad and needs replacement. I will only recommend repairing this unit yourself if you have enough knowledge as you know that microwave has high voltages running inside even when switched off. Please get back to me if you have any other questions.

Kevin

Posted on May 22, 2011

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