My Garage Door Won't Close and the Lights on the LiftMaster Garage Door Opener are Flashing

This video demonstrates what to do if your garage door won't close and the lights on your LiftMaster garage door opener are blinking. Additional Resources: Subscribe:    / liftmastersupport   Download the myQ App for iOS devices: https://apple.co/36UFKXg Download myQ App for Android devices: http://bit.ly/2ZdKWmM This video is intended for demonstration purposes only. The procedures demonstrated should only be performed by trained, professional installers and service technicians. Safe operation and servicing requires that you follow all instructions and safety advisories found in the manual. To locate a trained, professional installer or service technician go to LiftMaster.com/locate-a-dealer.