The 1 most common part(s) or condition(s) which cause the symptom Range vent hood downdraft vent won't go down are listed below starting with the most likely. Check or test each item and watch any available videos.
To see parts for your range vent hood, you need to enter your model number on the right. The system will then display parts that are associated with your range vent hood.
If the range vent hood downdraft vent won't go down the rocker switch might be defective. Watch our video on switch testing and test this switch for continuity.