User manual LIFT-MASTER 3850

[. . . ] 845 Larch Avenue Elmhurst, Illinois 60126-1196 www. liftmaster. com ® GARAGE DOOR OPENER Co m Model 3850 For Residential Use Only pa e with tibl Se r eP fo age 28 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 System® is connected and properly aligned. Periodic checks of the opener are required to ensure safe operation. [. . . ] Setting the UP position: Press and hold the black button until the yellow indicator light starts flashing slowly then release. Push and hold the black button until the door reaches the desired UP (open) position (Figure 2). NOTE: Check to be sure the door opens high enough for your vehicle. Push the remote control or door control (Figure 3). This sets the UP (open) limit and begins closing the door. Immediately when the door begins to move down, press and release either the black or purple button. Setting the DOWN position: Push and hold the purple button until the door reaches the desired DOWN (closed) position (Figure 4). Once the door is closed, if there appears to have too much pressure on the door, you may toggle the door back and forth using the black and purple buttons to reach the desired closed position. Push the remote control or the door control (Figure 3). This sets the DOWN (close) limit and should bring the door to the open position. · If the opener is not stopping exactly where you would like it, repeat steps 1 through 7 and program the limits again. · When the unit stops in both the desired up (open) and down (close) positions, proceed to Adjustment Steps 2, Setting the Force. Figure 2 Indicator Light BLACK Push and hold until the door is at desired UP position PURPLE Figure 3 or T LIGH LOC K Figure 4 Indicator Light BLACK Push either button to stop door at desired DOWN position PURPLE 23 ADJUSTMENT STEP 2 Setting the Force The force setting button is located on the left panel of the motor unit. The force setting measures the amount of force required to open and close the door. Locate the purple button on the left panel of the motor unit (Figure 1). Push the purple button twice to enter the opener into Force Adjustment Mode (Figure 2). The LED (Indicator Light) will flash quickly. Push the remote control or control console (Figure 3). The door will travel to the DOWN (close) position. Push the remote control or control console again, the door will travel to the UP (open) position. Push the remote control or control console a third time to send the door to the DOWN (close) position. The LED (Indicator Light) will stop flashing when the force has been learned. The opener has learned the forces required to open and close your door. [. . . ] SIMPLY DIAL OUR TOLL FREE NUMBER: 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. Country Club Road Tucson, Arizona 85706 SERVICE INFORMATION TOLL FREE NUMBER: 1-800-528-9131 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. 1-800-528-9131 LIFTMASTER FIVE YEAR LIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY The Chamberlain Group, Inc. [. . . ]