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HomeRepair HelpJenn Air Vent Hood RepairJenn Air Range vent hood is overheating Repair
Jenn Air Range vent hood is overheating
If your Jenn Air range vent hood is overheating, restricted airflow is the most likely cause. Start by inspecting the range hood filter. A dirty or clogged filter makes the blower motor work harder, which can cause the motor and vent hood to overheat. If cleaning does not restore airflow, check the air duct for an undersized or overly long section, outdoor obstructions, or a vent damper that is not opening properly. A stuck or partially closed Jenn Air range vent hood damper can also trap heat and strain the motor. Next, inspect the grease filter, blower wheel, and fan blade for grease or debris. Clean removable parts with warm, soapy water or a degreaser, and replace any filter, blower wheel, or fan blade that is damaged or cannot be cleaned. Turn off power before servicing the hood. Enter your model number to find the exact replacement part for your specific Jenn Air range vent hood, including the correct filter, damper, blower wheel, fan blade, or motor.
01 - Jenn Air 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 and the motor can overheat. Inspect the filter and clean or replace them if necessary.
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02 - Restricted Air Duct
If the range vent hood has always been too hot, inspect the air duct. If the air duct diameter is too small or the length of the duct is too long, the air flow will be restricted, possibly causing the vent hood to overheat. Refer to the installation instructions for proper vent size and maximum length. You can also inspect the outdoor vent hood for obstructions (a bird's nest, etc.) and confirm the vent damper is operating properly.
Highly Likely
03 - Jenn Air Range Vent Hood Damper
Most vent hoods have a damper to help keep the outside air from migrating back into the house when the vent is not in use. If the damper is stuck closed, or not opening all the way, the air flow may be restricted causing the motor to overheat.
Common
04 - Filter is Clogged
If the range hood is overheating, the grease filter(s) may be clogged. If a filter is very dirty it can be cleaned. Remove it and soak it in a degreasing solution until the grease is dissolved. Next, wash it with warm, soapy water to remove any traces of the degreaser. If the filter does not come clean or is damaged, replace it.
Common
05 - Jenn Air Range Vent Hood Blower Wheel
If the blower wheel is clogged with debris the air flow will be restricted which can cause the range vent hood to overheat. You can try cleaning the blower wheel with dish soap and warm water. If the blower wheel cannot be cleaned or is damaged, it will need to be replaced.
Uncommon But Possible
06 - Jenn Air Range Vent Hood Fan Blade
If the fan blade is clogged with debris the air flow will be restricted which can cause the range vent hood to overheat. You can try cleaning the fan blade with dish soap and warm water. If the fan blade cannot be cleaned or is damaged, it will need to be replaced.
Uncommon But Possible
Frequently Asked Questions
Why is my Jenn Air range vent hood overheating?
Can a clogged filter make my Jenn Air range hood fan overheat or make noise?
What should I check if the Jenn Air range hood blower wheel or fan blade is not moving enough air?
How do I know whether the Jenn Air range hood damper or duct is causing overheating?
How do I find the correct Jenn Air range vent hood filter, blower wheel, or fan blade?
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