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Dacor Oven Fan Not Working

The part(s) or condition(s) listed below for the symptom Oven fan not working are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Oven fan not working

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Cause 1Control Board

An oven's control board sends voltage to nearly all of the oven's electrical components. If the control board is defective, the voltage may not be sent to the fan motor. You should first attempt to rotate the fan blades by hand. If they do not turn freely, it's likely the fan motor bearings have seized and the fan motor will need to be replaced. However, it the fan blades do turn freely and a multimeter shows that the motor itself tests positive for electrical continuity, then the control board is probably at fault. You can inspect the board for signs of damage or a shorted component and replace if necessary.

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Cause 2Cooling Fan

The cooling fan runs to help keep the range itself and its critical parts from overheating. The cooling fan is often sold as an assembly. If the fan does not turn freely or has power to it but won't run, it will need to be replaced.

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Cause 3Convection Motor

In a convection oven, the convection motor drives the convection fan to circulate the air inside the oven. If the convection fan isn't circulating the air, the oven won't bake evenly. Try turning the convection fan blade by hand. If the blade is hard to turn, this may indicate that the motor bearings are worn. If the motor bearings are worn, you will have to replace the convection motor. To determine if the motor is defective, use a multimeter to test it for continuity. If the motor does not have continuity, replace it.

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Cause 4Main Control Board

If the oven fan is not working, the main control board may not be sending power to the fan motor. Check the wiring diagram first before replacing the board. Control boards are often misdiagnosed.

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Cause 5Blower Motor

If the blower motor's fan blades or blower wheel do not turn freely by hand, it's likely the motor bearings have seized and the blower motor will need to be replaced. You can also use a multimeter to determine if the motor has electrical continuity. If the motor has no electrical continuity, the part is definitely defective.

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Cause 6Fan Motor

If the fan motor's fan blades do not turn freely by hand, it's likely the motor bearings have seized and the fan motor will need to be replaced. You can also use a multimeter to determine if the motor has electrical continuity. If the motor has no electrical continuity, the part is definitely defective.

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