LiftMaster 8355 8355 Manual - Page 1
LiftMaster 8355 Manual
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PREMIUM Series Belt Drive Garage Door Opener Model 8355 - 1/2 hp FOR RESIDENTIAL USE ONLY ■ Please read this manual and the enclosed safety materials carefully! ■ Fasten the manual near the garage door after installation. ■ 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. ■ The model number label is located on the front panel of your garage door opener. ■ This garage door opener is ONLY compatible with MyQ® and Security✚ 2.0™ accessories. ■ ONLY enable the Timer-to-Close* or MyQ® remote operation feature* when the garage door opener is installed on a sectional door. (*Not available on all models) NOTE: If you are installing the garage door opener on a one-piece door, visit www.liftmaster.com for installation instructions. Write down the following information for future reference: Serial Number: . Date of Purchase: CONTENTS Preparation 2-3 Assembly 4-5 Installation 6-13 Install the Door Control 14-16 Install the Protector System® . . 17-20 Power 21-22 Adjustments 23-25 Operation 26 Features 27 Door Control 28-29 Remote Control 30-31 To Erase the Memory 31 To Open the Door Manually . . . . . 32 Maintenance 32 Troubleshooting 33-34 Accessories 35 Warranty 36 Repair Parts 37-38 www.liftmaster.com The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196