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HomeRepair HelpUniversal Vent Hood RepairUniversal Range vent hood is overheating Repair
Universal Range vent hood is overheating
Is your Universal range vent hood overheating? Restricted airflow is the most likely cause, especially when the filter is dirty or clogged with grease. Inspect the range vent hood filter, clean it with a degreasing solution and warm, soapy water, or replace it if it will not come clean or is damaged. If the filter is clear, check the air duct. A duct that is too small, too long, blocked outdoors, or connected to a vent damper that will not open can make the blower motor work harder and overheat. Next, inspect the range vent hood damper to make sure it moves freely and opens fully. A clogged or damaged blower wheel can also reduce airflow, followed by a dirty or damaged fan blade. Clean the blower wheel or fan blade with dish soap and warm water, then replace the part if necessary. Disconnect power before servicing the range vent hood. Enter your model number to find the exact Universal range vent hood filter, damper, blower wheel, or fan blade replacement part that fits your machine.
01 - Universal 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 - Universal 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 - Universal 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 - Universal 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 Universal range vent hood overheating?
How do I fix a range vent hood that is getting too hot?
Can a restricted air duct cause my range vent hood to overheat?
Should I replace the range vent hood motor or circuit board if it overheats?
How do I find the correct Universal range vent hood filter or other replacement part?
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