I have installed the Solar Controller with house power connected with the Solar Powered Attic Fan but the fan only runs on House Power, even when the sun is out

  1. Make sure leaves, trees or other objects do not shade the solar panel
  2. The connections between the Solar Controller and solar panel could be loose.  Please check and make sure the leads are securely connected.
  3. Chect to make sure all wires are connected properly with red-to-red and black-to-black.
  4. If problem persists, please call U.S. Sunlight Corporation.

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U.S. Sunlight Corp is the leader in design and manufacturing of solar attic fans, solar attic fan, solar powered attic fan, attic fan, attic fans, skylight tubes, tubular skylights, roof vent, roof vents, attic ventilation and solar attic ventilation, solar roof vents, gable fans, solar gable fan, solar gable fans, solar controller, solar attic remote control, attic heat removal, solar attic vent, solar attic ventilation, solar powered attic ventilation, and daylighting products. Remove heat from your attic and maintain a cooler house while removing moisture from your attic space and building materials. All products come with a manufacturer's warranty and have federal and local tax credits available.