LiftMaster 8557 8557 Elite Series Users Guide Manual - Page 1
LiftMaster 8557 Manual
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ELITE Series Garage Door Opener User's Guide FOR RESIDENTIAL USE ONLY . ■ 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. CONTACT INFORMATION CONTENTS Important Safety Instructions ......... 2-3 Operation 4 Using the Door Control 5 Programming-Door Control Panel ....6 Programming - Remote Controls......7 To Erase the Memory 7 To Open the Door Manually 8 Battery Backup 8 Adjustment 9 Program the Travel 10 Test the Safety Reversal System.... 11 Test the Protector System 11 Maintenance 12 Troubleshooting 13-14 Repair Parts 15 Warranty 16 Write down the following information for future reference: Serial Number: Date of Purchase: Leave this Users Guide with the homeowner. The images throughout this manual are for reference and your product may look different. www.liftmaster.com The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 *If applicable.