Chamberlain 3900PLD 32

LIFTMASTER® SERVICE IS

ON CALL

OUR LARGE SERVICE ORGANIZATION

SPANS AMERICA

INSTALLATION AND SERVICE INFORMATION IS AS NEAR

AS YOUR TELEPHONE.

SIMPLY DIAL OUR TOLL FREE NUMBER:

1-800-528-2806

www.liftmaster.com

For professional installation, parts and service, contact your local LIFTMASTER/CHAMBERLAIN dealer. Look for him in the Yellow Pages, or call our Service number for a list of dealers in your area.

HOW TO ORDER

REPAIR PARTS

Selling prices will be furnished on request or parts will be shipped at prevailing prices and you will be billed accordingly.

WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE

FOLLOWING INFORMATION:

•PART NUMBER

•PART NAME

•MODEL NUMBER

ADDRESS ORDERS TO:

THE CHAMBERLAIN GROUP, INC.

Technical Support Group

6050 S. Country Club Road

Tucson, Arizona 85706

SERVICE INFORMATION

TOLL FREE NUMBER:

1-800-528-2806

	© 2010, The Chamberlain Group, Inc.
114A3593B	All Rights Reserved

Contents

For Light Duty Commercial Use Install On Sectional Doors With Torsion Assemblies Only Introduction2-5 Assembly Installation7-16 Adjustment17-20 Operation21-25 Planning Preparing your Door Specifications Tools needed Carton Inventory Hardware Inventory Attach the Collar to the Operator Attach Mounting Bracket to the Operator Position the Operator Attach the Emergency Release Rope and Handle Install Power Door Lock Attach the Cable Tension Monitor (Required) Install the Single Button Control Station Install the Light (Not Provided) Electrical Requirements Mount the Standby Power Unit (SPU) Install The Protector System® INSTALLING THE BRACKETS 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 REVERSING SENSORS Program the Travel Limits Set the Force Test the Safety Reversal System Test The Protector System® Test Cable Tension Monitor To Open the Door Manually Using Your Door Operator CARE OF YOUR OPERATOR MAINTENANCE SCHEDULE Once a Month Once a Year HAVING A PROBLEM? (TROUBLESHOOTING) 4.The remote control has short range: 5.The door opens and closes by itself: 6.The door doesn’t open completely: 7.The door opens but won't close: Having a Problem? (Continued) 1 FLASH 2 FLASHES FLASHES 4 FLASHES 5 FLASHES To Add or Program a Hand-heldRemote Control (Not Provided) To Erase All Codes From Motor Unit Memory *3-ButtonRemote (315 MHz) To Add, Program or Change a Keyless Entry PIN (Not Provided) Programming Remote Light (Not Provided) Installation Parts Motor Unit Assembly Parts ACCESSORIES 41A5281 Extension Brackets: 475LM 377LM