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Question posted by luksh on April 17th, 2014

How To Open 3850 Battery

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Related LiftMaster 3850 Manual Pages

3850 Elite Series Manual - Page 1

® GARAGE DOOR OPENER Models 3850 3850-267 For Residential Use Only Com Details The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com patible with See Page 29 for Owner's Manual ■ Please read this manual and the enclosed safety materials carefully! ■ Fasten the manual near the garage door after installation. ■...

3850 Elite Series Manual - Page 2

... Operation 26-33 Operation safety instructions 26 Using garage door opener 26 Using the wall-mounted door control 27 Using the remote control 28 Troubleshooting 28 The remote control battery 28 EverCharge® Standby Power System (optional 29 To open the door manually 30 Care of damage to your opener 30 Having a problem? (Troubleshooting 31 Diagnostic chart 32...

3850 Elite Series Manual - Page 3

...To prevent damage to garage door and opener: • ALWAYS disable locks BEFORE installing and operating the opener. • ONLY operate garage door opener at 120V, 60 Hz to avoid entanglement. Sectional Door One-Piece Door Tools needed During assembly, installation and adjustment of the opener, instructions will call a trained door systems technician if garage door binds, sticks, or is...

3850 Elite Series Manual - Page 4

... OR Motor Unit --- --- -- Header Wall FINISHED CEILING Support bracket & fastening hardware is needed for details. See page 19 for lightweight garage doors (fiberglass, steel, aluminum, door with the installation of your opener. Survey your garage area to see if any of the conditions below apply to this page and the accompanying illustrations as you proceed...

3850 Elite Series Manual - Page 5

...3850 (1) 3850-267 (2) SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY Motor Unit with Light Lenses 2-Conductor Bell Wire White & White/Red Belt Pulley Bracket Trolley Optional EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery...is also listed below . Carton Inventory Your garage door opener is packaged in the foam. Parts may be stuck in two cartons ...

3850 Elite Series Manual - Page 6

... Attach the Rail to the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed to do so. • Remove the two washered bolts mounted on the ...styrofoam over the motor unit belt pulley. Use only these bolts! To avoid SERIOUS damage to door opener. • Position belt over belt pulley. This extends the spring for optimum belt tension....

3850 Elite Series Manual - Page 7

.... Upon completion of SEVERE INJURY or DEATH: 1. Install garage door opener ONLY on the floor. 13. Install wall-mounted garage door control: • within sight of the garage door. • out of reach of children at minimum height of 5 feet (1.5 m). • away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 You have...

3850 Elite Series Manual - Page 8

... HEADER BRACKET Structural Supports Level (optional) Installation procedures vary according to garage door types. or you need to install the header bracket on a 2x4 (on wall or ceiling), use the maximum height possible, or refer to page 9 for ceiling installation. Open your door to the highest point of travel clearance for the top edge...

3850 Elite Series Manual - Page 10

Header Wall Header Bracket Belt Pulley Bracket Garage Door INSTALLATION STEP 3 Attach the Rail to secure. NOTE: If the door spring is in the way you'll need help. Have someone hold the opener securely on the garage floor below the header bracket. Ring Header Fastener Bracket Clevis Pin 5/16"x2-3/4" Belt Pulley Bracket Rail Temporary...

3850 Elite Series Manual - Page 11

... trolley toward the motor unit. Do not position the opener more than 4" (10 cm) above this height. • The top of the door should be level with the top of the motor unit. INSTALLATION STEP 4 Position the Opener Follow instructions which apply to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm...

3850 Elite Series Manual - Page 12

... 2 Bracket (Not Provided) Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18 Hidden Support - FINISHED CEILING - Check to required lengths. 3. Measure the distance from a falling garage door opener, fasten it SECURELY to provide rigid support. On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to the structural support. 2. Drill 3/16" pilot holes...

3850 Elite Series Manual - Page 13

... electrocution: • Be sure power is connected and properly aligned. If additional wall controls are no obstructions to door travel to the full open circuit. 4. Strip 7/16" (11 mm) of insulation from a closing garage door. SPECIAL NOTE: Only one end of bell wire and connect to the two screw terminals on the motor unit...

3850 Elite Series Manual - Page 14

... the procedure to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position. Use ONLY incandescent. Gently rotate lens back and downward until the lens hinge is connected. Channel Battery Battery Cover INSTALLATION STEP 8 Install the Lights • Press the release tabs on...

3850 Elite Series Manual - Page 15

... cm) from electrocution or fire: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the cover.... length so the handle is required by your garage door opener has a grounding type plug with a third grounding pin. The opener must be in compliance with ALL local electrical...

3850 Elite Series Manual - Page 16

...® The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in masonry construction, add a piece of the garage door (or door tracks, springs, hinges, rollers or other across the door, no more than 6" (15 cm) above garage floor. IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR When properly connected and aligned...

3850 Elite Series Manual - Page 17

...(see Accessories) to elevate sensor brackets so the lenses will face each other across the garage door, with the beam no higher than 6" (15 cm) above the floor. • Carefully measure and...assemblies to the same distance out from the wall. INSTALLING THE BRACKETS Be sure power to the opener is recommended. Snap into place against the wall with concrete anchors as a template to locate and...

3850 Elite Series Manual - Page 19

...; Use top and bottom or side to Step 13. NOTE: Many door reinforcement kits provide for an opener installation door reinforcement kit. Mark, drill holes and install as illustrated below any structural support across the top of Garage Door UP Figure 4 19 Position the top edge of the bracket 2"-4" (5-10 cm) below the top edge...

3850 Elite Series Manual - Page 29

... electrical outlet. • A solid orange LED indicates the battery is operating on battery power. • A flashing orange LED with beep indicates the unit is operating on battery power and that the battery charge is low. • To test the battery is functioning properly, open and close the garage door. • Re-connect the motor unit power cord back...

3850 Elite Series Manual - Page 31

... be connected and aligned correctly before the garage door opener will not activate the door: • Verify your door, check diagnostic LED for balance or any obstructions. This relieves the tension. 1-1/4" (3.18 cm) • Re-Tighten the outer nut until the trolley spring is not lit properly: • Check battery connections. 8. This feature activates the light...

3850 Elite Series Manual - Page 38

... for visitors or service persons. Includes battery. Wireless Door Control: Push bar, light feature and auxiliary button. Surge Protector: The Garage Door Opener Surge Protector is designed to a programmable number of hours or entries. 370LM 378LM 915LM CLOSED OPEN Garage Door Monitor: Security for the largest door of your garage door is open garage door manually from outside by entering...