Chamberlain 3800 Motor Unit Assembly Parts

Motor Unit Assembly Parts

KEY	PART		KEY	PART
NO.	NO.	DESCRIPTION	NO.	NO.	DESCRIPTION
1	41DJ001	Logic board complete with plate	4	41A6095	Motor with bracket
2	41A6118	Absolute Encoder System	5	41B122	Power cord
3	41C168	Transformer	6	41A6348	Cover

Contents

For Residential Sectional Doors With Torsion Assemblies Only Introduction2-5 Assembly Installation7-16 Operation21-25 Programming26-28 Planning Preparing your Garage Door Tools needed Carton Inventory Hardware Inventory Attach the Collar to the Motor Unit Attach Mounting Bracket to Motor Unit Position the Opener Attach the Emergency Release Rope and Handle Install Power Door Lock Attach the Cable Tension Monitor (Required) Install the Control Console Install Remote Light Electrical Requirements Mount the Battery Backup Unit (BBU) (not provided) Install The Protector System® INSTALLING THE BRACKETS Be sure power to the opener is disconnected. Install Garage door track installation (preferred) (Figure 1): Wall installation (Figure 2 and 3): Floor installation (Figure 4): MOUNTING AND WIRING THE SAFETY REVERSING SENSORS ALIGNING THE SAFETY REVERSING SENSORS TROUBLESHOOTING THE SAFETY Program the Travel Limits Setting the Force Test the Safety Reversal System Test The Protector System® Test Cable Tension Monitor Test Power Door Lock To Open the Door Manually Using Your Garage Door Opener Using the Wall-Mounted Control Console CARE OF YOUR OPENER MAINTENANCE SCHEDULE Once a Month THE REMOTE CONTROL BATTERY Once a Year Having a Problem? (Continued) 1 FLASH FLASHES To Add or Reprogram a Hand-heldRemote Control To Erase All Codes From Motor Unit Memory *3-ButtonRemote To Add, Reprogram or Change a Keyless Entry PIN Reprogramming Light or Additional Light Installation Parts Motor Unit Assembly Parts ACCESSORIES 41A5281 Extension Brackets: 377LM Keyless Entry with Security✚®: LIFTMASTER® GARAGE DOOR OPENER FIVE-YEARLIMITED WARRANTY LIFETIME MOTOR LIMITED WARRANTY