Vent or Fan Concerns Last updated Dec 14, 2019 Save as PDF Share Share Tweet Share Topic hierarchyVent Not Removing Odor or Vapor - Over-the-Range MicrowaveVent Not Turning On - Over-the-Range MicrowaveVent Randomly Turns On - Over-the-Range MicrowaveVent Turns Off - Over-the-Range MicrowaveVent Won't Turn Off - Over-the-Range Microwave