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Oven fan not working

An oven fan is not working, the control board is the most likely cause because it may not be sending voltage to the fan motor. First, disconnect power and try turning the fan blades by hand. If the blades do not turn freely, seized motor bearings point to a failed cooling fan, convection motor, exhaust fan motor, or blower motor, depending on which fan is affected. If the fan turns freely, use a multimeter to test the motor for electrical continuity. A convection oven fan not working can prevent even baking, while an oven fan not spinning may indicate a defective convection motor. If the motor has continuity but receives no power, inspect the wiring and consider the main control board, though control boards are often misdiagnosed. A cooling fan with power that will not run usually needs replacement. The exhaust fan motor or blower motor should also be replaced if its bearings are seized or its windings fail. Enter your range, stove, or oven model number to find the exact replacement fan, motor, or control board for your appliance.

01 - Range/Stove/Oven Control 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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02 - Range/Stove/Oven Cooling 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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03 - Range/Stove/Oven Convection 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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04 - Range/Stove/Oven Main 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.
Highly Likely

05 - Range/Stove/Oven Exhaust Fan Motor

If the exhaust fan motor has power to it but it's not turning, the windings or bearings may be bad. Try turning the fan blade by hand. If the fan blade does not turn freely, or the motor keeps shutting off when it has power to it, the exhaust fan motor will need to be replaced.
Highly Likely

06 - Range/Stove/Oven Blower 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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Frequently Asked Questions

Why is my oven fan not working?
How do I test an oven convection fan that is not working?
Could the oven control board cause the fan not to run?
What should I check if the oven cooling fan is not working?
How do I find the correct replacement oven fan motor or control board?