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LiftMaster 3850 Support Question

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Question posted by darKlyon on May 2nd, 2014

How To Replace Battery In Emergency Door

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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 your garage door and/or the garage door opener if you do not comply with the...
3850 Elite Series Manual - Page 3

... ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid malfunction and damage. 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. Release the door. If balanced, it should stay in place...
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... . Carton Inventory Your garage door opener is packaged in the foam. If anything is missing, carefully check the packing material.
3850 Elite Series Manual - Page 6

... styrofoam over the motor unit belt pulley. 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. Do not use bolts mounted in top of motor unit. This extends the spring for optimum belt...
3850 Elite Series Manual - Page 7

...FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS. 2. Install garage door opener ONLY on properly balanced and lubricated garage door. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to the installation section. To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or...
3850 Elite Series Manual - Page 11

... section beneath the rail. • If the top section or panel hits the trolley when you raise the door, pull down on the trolley release arm to garage door, rest garage door opener rail on 2x4 placed on top section of door. The trolley can remain disconnected until Installation Step 12 is convenient for setting an ideal...
3850 Elite Series Manual - Page 12

... surface where the trolley slides with 5/16"-18x1-7/8" lag screws. 5. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to a support with rail grease. INSTALLATION STEP 5 Hang the Opener Three representative installations are not provided. 1. HARDWARE SHOWN ACTUAL SIZE To avoid possible SERIOUS INJURY from...
3850 Elite Series Manual - Page 13

... Drywall Anchors Figure 1 REMOVE COVER REPLACE COVER To Replace Insert Top Tabs First PRE-WIRED ...garage door: • Install door control within sight of door, at the lower/middle portion of the door control to temperatures below -22° F (-30° C) may be mounted to each garage door opener. DO NOT connect power and operate the opener at lower temperatures although the door...
3850 Elite Series Manual - Page 14

.... ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. Then the lights will turn OFF. • Reverse the procedure to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in each socket. The use A19 size bulbs. Use...
3850 Elite Series Manual - Page 15

... Knot Emergency Release Handle 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...
3850 Elite Series Manual - Page 16

... connected to the receiving eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. To prevent SERIOUS INJURY or DEATH from inside the garage so that the sending and receiving eyes face each location to clip onto the track of its electronic...
3850 Elite Series Manual - Page 26

... Entry (See Accessories): If provided with each use emergency release handle unless garage doorway is clear of which changes with your opener with any remote, follow the instructions in a partially open or closed . If you purchase a new remote, or if you could result in the opening , the door will blink for five seconds. 6. If the obstruction...
3850 Elite Series Manual - Page 28

... proximity sensing (does not activate by pressing the remote push button. With the door closed, press and hold the Lock button on 10 consecutive times without opening the door. 1. The 3V2016 lithium batteries for 3 seconds. No rapid LED blinking Replace two 3V2016 batteries with same type 3V2016 coin cells. When moving a hand within close proximity to...
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 30

... (Pull Down) Trolley Release Arm NOTICE The lockout feature prevents the trolley from a falling garage door: • If possible, use emergency release handle to be sure door opens & closes fully. If rope knot becomes untied, you could result in an open or closed if possible. Adjust limits and/ or force if necessary (see Adjustment Step 3). Once...
3850 Elite Series Manual - Page 31

... equipped with the door, pull the Emergency Release Rope to the Diagnostic Chart on my motor unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will not activate the door: • Verify your door, check diagnostic LED for Using the Door Control. • Reprogram remotes following page. 2. My garage door opener beeps: • A solid...
3850 Elite Series Manual - Page 32

...emergency release. • Motor may need to travel 2-3 inches, check the travel module connection or replace the travel module. If the sensor indicator lights do not glow steady. • Inspect sensor wires for a short (staple in wire), replace as needed . • Disconnect wires at door..." Button Installed Safety Reversing Sensor Your garage door opener is dim or flashing. • Realign...
3850 Elite Series Manual - Page 33

... of alignment, if they are blocked or if the wiring is disconnected. Meaning: Opener is running on battery power with low charge. Once the opener has 'LEARNED' the remote control, the worklight will disable the opener from door control do not light, replace the safety reversing sensors. This feature will blink one second. To exit 'LOCK...
3850 Elite Series Manual - Page 38

...Includes battery. SECURITY✚® 3-Button Mini Remote Control : With key ring and fastening strip. This temporary password can add a temporary password for visitors or service persons. ACCESSORIES 1702LM Outside Quick Release: Required for the largest door of hours or entries. 370LM 378LM 915LM CLOSED OPEN Garage Door Monitor: Security for a garage with model 3850 only...

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