LiftMaster 8550W 8550W Users Guide Manual - Page 1
LiftMaster 8550W Manual
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USER'S GUIDE FOR RESIDENTIAL USE ONLY Wi-Fi Garage Door Opener MODELS 8550W • 8557W • 8587W • Please read this guide and the enclosed safety materials carefully! • The door WILL NOT CLOSE unless the Protector System® is connected and properly aligned. • Periodic checks of the garage door opener are required to ensure safe operation. • This garage door opener is ONLY compatible with MyQ® and Security+ 2.0™ accessories. • DO NOT enable the Timer-to-Close feature if you are installing the garage door opener on a one-piece door. The Timer-to-Close is to be used ONLY with sectional doors. • Attach enclosed warning labels to the location indicated on label. SERIAL NUMBER: Please write the MyQ Serial number in the box above. See page 2. Register online at: www.prodregister.com/LiftMaster