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LiftMaster 3850 Support Question

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Question posted by Chasere on January 18th, 2014

How Do You Install Liftmaster 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. ■ The door WILL...
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 your garage door and/or the garage door opener if you do not comply with the...
3850 Elite Series Manual - Page 3

... under EXTREME tension. • Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid malfunction and damage. Raise and lower the door to see if there is not sticking or binding: 1. Release the door. Preparing your garage door Before you begin: • Disable locks. • Remove any ropes connected to...
3850 Elite Series Manual - Page 5

... will depend on the model purchased. Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below . Hardware for installation is missing, carefully check the packing material. Carton Inventory Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6

... threaded shaft until it firmly against the trolley (Figure 2). • Place a 7/16" open end wrench on the square end. This extends the spring for optimum belt tension. Cut tape...ASSEMBLY STEP 1 Attach the Rail to the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed to door opener. • Position belt over belt pulley. Use only these bolts...
3850 Elite Series Manual - Page 7

... have now finished assembling your garage door opener. They could result in garage door or opener mechanisms. 9. Place entrapment warning label on properly balanced and lubricated garage door. ALL repairs to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 Install garage door opener 7 feet (2.1 m) or more above...
3850 Elite Series Manual - Page 11

... from the floor to the top of the door. • Using a stepladder as illustrated. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner and outer sections. INSTALLATION STEP 4 Position the Opener Follow instructions which apply to your door type as a support, raise the top of the...
3850 Elite Series Manual - Page 12

... - Remove foam packaging. Drill 3/16" pilot holes in line with 5/16"-18x1-7/8" lag screws. 5. Operate the door manually. FINISHED CEILING - INSTALLATION STEP 5 Hang the Opener Three representative installations are not provided. 1. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to a support with the header bracket if the...
3850 Elite Series Manual - Page 13

... path of closing garage door: • Install door control within sight of door, at a minimum height of 5 feet (1.5 m) where small children cannot reach, away from moving parts of door. • NEVER permit children to operate or play with door control push buttons or remote controls. • Activate door ONLY when it can be connected to each garage door opener. NOTE: The...
3850 Elite Series Manual - Page 14

... battery compartment. Channel Battery Battery Cover INSTALLATION STEP 8 Install the Lights • Press the release tabs on battery. • Verify the battery wires are seated in each socket. The lights will turn ON and remain lit for replacement. Then the lights will turn OFF. • Reverse the procedure to close the lens. • Use A19, standard neck garage door opener...
3850 Elite Series Manual - Page 15

...Rope NOTICE Trolley Release Arm Overhand Knot INSTALLATION STEP 10 Electrical Requirements To avoid installation difficulties, do not run the opener at this time. To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded...
3850 Elite Series Manual - Page 16

... to clip onto the track of the garage door (or door tracks, springs, hinges, rollers or other across the door, no more than 6" (15 cm) above the floor. No part of sectional garage doors without additional hardware. Either can be unobstructed. If it is not connected to the garage door opener BEFORE installing the safety reversing sensor. above floor 16...
3850 Elite Series Manual - Page 24

... KILLED by a closing garage door. • Too much force on floor. Without a properly installed safety reversal system, persons (particularly small children) could be tested. If the door is not stopping exactly ... Black Button Purple Button Figure 3 or LOCK LIGHT 24 If the garage door opener cannot open and close the door (DOWN). Push the purple button twice to ensure that it , ...
3850 Elite Series Manual - Page 25

... system MUST be tested. The garage door opener will flash. Door MUST reverse on contact with 1-1/2" high (3.8 cm) object (or 2x4 laid flat) on striking the obstruction. Safety Reversing Sensor 25 Safety Reversing Sensor The door will not move more than 1" (2.5 cm), and the opener lights will not close the door. Without a properly installed safety reversing sensor, persons...
3850 Elite Series Manual - Page 26

... power is A19. ALWAYS keep remote controls out of reach of which changes with the safety reversing sensor correctly installed and aligned) 1. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). See Programming. When the opener is restored after 4-1/2 minutes or provide constant light when the Light feature on , then off , press and hold the...
3850 Elite Series Manual - Page 31

...the trolley spring is operating off when door is open: • The garage door opener is not lit properly: • Check battery connections. 8. My door reverses for balance or any obstructions. ...in the down travel limits. Refer to Installation Step 10: Install The Protector System®. • Check diagnostic LED for Using the Door Control. • Reprogram remotes following ...
3850 Elite Series Manual - Page 32

... is not recognized. Bell Wire Safety Reversing Sensor Diagnostic Chart Diagnostics Located On Motor Unit "Learn" Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. The "Learn" button/diagnostic LED will flash a number of the Indicator lights on the safety reversing sensors do...
3850 Elite Series Manual - Page 34

... will be programmed to operate other Security✚® garage door openers. 34 If light bulbs are not installed, two clicks will open and close when you wish to operate your garage door. Press the PROG button on motor unit until the learn " button on the door control. 2. Your garage door opener has already been programmed at the factory to operate...
3850 Elite Series Manual - Page 35

... four buttons for your garage door opener. After a programmed number of hours or number of accesses, this temporary PIN will work , press the number of your choice on motor unit. Press the four buttons for the present PIN, then press and hold the ✽ button. If light bulbs are not installed, two clicks will...
3850 Elite Series Manual - Page 38

... a garage with model 3850 only. Tells you if your home! Includes battery. This temporary password can add a temporary password for the largest door of your garage door is ...homeowners to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. EverCharge® Standby Power System: Provides backup power to 4 garage doors by entering a...

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