Chamberlain 2500D manual

GARAGE DOOR OPENER Model 2500D

For Residential Use Only

The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196

www.liftmaster.com

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Owner’s Manual

■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 SystemÆ is connected and properly aligned.

■Periodic checks of the opener are required to ensure safe operation.

■The model number label is located on the front of your opener.

Contents

For Residential Use Only Introduction Assembly Installation Adjustment Operation Preparing your garage door Tools needed Planning Carton Inventory Hardware Inventory Attach the Rail to the Motor Unit Set the Belt Tension Attach the Belt Cap Retainer Determine the Header Bracket Location NOTE: EXAMPLE Install the Header Bracket Attach the Rail to the Header Bracket Position the Opener Hang the Opener Install the Door Control Install the Lights and Lens Attach the Emergency Release Rope and Handle Electrical Requirements Install The Protector System® INSTALLING THE BRACKETS Be sure power to the opener is disconnected Garage door track installation (preferred) (Figure 1): Wall installation (Figure 2 and 3): Floor installation (Figure 4): MOUNTING AND WIRING THE SAFETY SENSORS ALIGNING THE SAFETY SENSORS TROUBLESHOOTING THE SAFETY SENSORS Fasten the Door Bracket ONE-PIECEDOORS Metal Doors: Connect Door Arm to Trolley ALL ONE-PIECEDOORS 1.Assemble the Door Arm: Program the Travel Limits Setting the Force Test the Safety Reversal System Test The Protector System® Using Your Garage Door Opener Using the Wall-MountedDoor Control To Open the Door Manually CARE OF YOUR OPENER MAINTENANCE SCHEDULE Once a Month THE REMOTE CONTROL BATTERY Once a Year Having a Problem? (Continued) To Add or Reprogram a Hand-heldRemote Control To Erase All Codes From Motor Unit Memory *3-ButtonRemotes To Add, Reprogram or Change a Keyless Entry PIN Rail Assembly Parts Installation Parts Motor Unit Assembly Parts ACCESSORIES 1702LM Outside Quick Release:973W 2778BD 8 Foot Complete Rail: 973LM LIFTMASTER GARAGE DOOR OPENER FIVE-YEARLIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY