An Amana range vent hood turns off by itself, restricted airflow is the most likely cause. Start by inspecting the range hood filters. Clogged filters make the blower work harder, which can overheat the motor and cause it to shut off. Clean or replace the filters as needed. Next, check the vent path and outside wall vent cap for an obstruction such as a bird's nest or debris. Poor airflow can also make the motor overheat. If the filters and vent are clear, inspect the blower wheel and housing. The wheel should turn freely by hand. A blower wheel that binds, or a hood that runs for a while and then stops while it still has power, may indicate a failing blower motor. Bad windings or bearings can cause the exhaust fan motor, fan motor, or blower motor to overheat and shut down. Disconnect power before checking or replacing parts, and use your model number to find the exact Amana range vent hood filter, wall vent cap, blower wheel and housing, or motor replacement part for your specific hood.
01 - Amana 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 - Amana 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.
03 - Amana 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.
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.
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.
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.