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HomeRepair HelpNutone Vent Hood RepairNutone Range vent hood turns off by itself Repair
Nutone Range vent hood turns off by itself
If your NuTone range vent hood turns off by itself, restricted airflow is the most likely cause. Start by inspecting the range hood filters. Grease and debris can clog the filters, forcing the blower motor to work harder, overheat, and shut off. Clean or replace the filters as needed. Next, check the wall vent cap and duct for an obstruction, such as a bird's nest, and confirm that air moves freely at the inlet and outside outlet. If the vent hood still shuts off while it has power, inspect the blower wheel and housing. A blower wheel that does not turn freely can overload the motor. A failing exhaust fan motor, fan motor, or blower motor may also overheat because of worn windings or bearings, then stop until it cools. With power disconnected, turn the fan blade by hand to check for binding. These problems can cause a NuTone range vent hood to keep shutting off, but the correct replacement part depends on the model. Enter your model number to find the exact filter, vent cap, blower wheel, or motor for your range vent hood.
01 - Nutone Range Vent Hood Filter
The filters in the range hood need to be clean to have good air flow. If the filters are clogged the blower will have a hard time moving air, causing the motor to overheat, and shut off. Inspect the filters and clean or replace them if necessary.
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02 - Nutone Range Vent Hood Wall Vent Cap for 6 Inch Duct
If the vent hood motor keeps shutting off the venting may be obstructed. If accessible, check the outside vent cap for a bird's nest, etc. Turn the vent hood on and check for good air flow at the inlet and outlet. If you suspect the vent is clogged, but you cannot access it, you should have someone check it for you.
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03 - Nutone Range Vent Hood Blower Wheel and Housing
The blower has a motor that can overheat and shut off. If the motor is not turning freely, or is running for awhile and shutting off, but still has power to it, the blower will need to be replaced.
Highly Likely
04 - Nutone Range Vent Hood Exhaust Fan Motor
If the exhaust fan motor has power to it but keeps shutting off, 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
05 - Nutone Range Vent Hood Fan Motor
If the fan motor has power to it but keeps shutting off, 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 fan motor will need to be replaced.
Highly Likely
06 - Nutone Range Vent Hood Blower Motor
If the blower motor windings or bearings are bad the motor may overheat and shut off. Make sure the blower wheel turns freely. If the motor doesn’t turn freely, or the motor is shutting off after it runs awhile, the motor may be bad and will need to be replaced.
Highly Likely
Frequently Asked Questions
Why does my NuTone range vent hood turn off by itself?
How can I tell whether the NuTone range vent hood duct is blocked?
What should I check if the NuTone range vent hood motor has power but keeps shutting off?
Could the switch, wiring, or control board cause my NuTone range vent hood to shut off?
How do I find the correct replacement part for my NuTone range vent hood?
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