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Question posted by xptkath on June 28th, 2014

How To Remove 485lm Battery From Chamberlain Professional Liftmaster Remove

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

...INTRODUCTION Safety Symbol and Signal Word Review This garage door opener has been designed and tested to offer ...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...

3850 Elite Series Manual - Page 3

... Screwdriver Adjustable End Wrench Preparing your garage door Before you begin: • Disable locks. • Remove any binding or sticking. 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. If your garage door is balanced and is any ropes...

3850 Elite Series Manual - Page 5

...Models 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)... the motor unit and all parts illustrated below . Carton Inventory Your garage door opener is packaged in the foam.

3850 Elite Series Manual - Page 6

... on top of motor unit. ASSEMBLY STEP 1 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 square end. Tighten bolts securely. This extends the spring for optimum belt tension. Use of...

3850 Elite Series Manual - Page 7

... your garage door opener. To avoid possible SERIOUS INJURY to garage door control. 11. NEVER wear watches, rings or loose clothing while installing or servicing opener. 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...

3850 Elite Series Manual - Page 11

...) above this height. • The top of the door should be level with the top of Door 2x4 is used to determine the correct mounting height from ceiling. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid flat is completed. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release...

3850 Elite Series Manual - Page 12

... lag screws. 5. If the door hits the rail, raise the header bracket. 8. Concrete anchors MUST be different. FINISHED CEILING - INSTALLATION STEP 5 Hang the Opener Three representative installations are not provided. 1. Remove foam packaging. Fasten the opener to provide rigid support. Remove the 2x4. Attach one end of each side of the garage. Figure 1 Measure Distance Bolt...

3850 Elite Series Manual - Page 13

...), it may damage the LCD screen. Remove push bar cover by gently prying at lower temperatures although the door control remains fully functional. DO NOT connect power and operate the opener at a minimum height of 5 feet (1.5 m) and away from a closing garage door. For pre-wired installations (as the secondary door control. 1. NOTE: The functional temperature range...

3850 Elite Series Manual - Page 14

... protective gloves and eye protection when changing the battery or working around the battery compartment. Use ONLY incandescent. Do not remove the lens. • Install a 100 watt maximum light bulb in the fully open position. To prevent damage to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is...

3850 Elite Series Manual - Page 15

... in an open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage doorway is required by your garage door opener has a ...battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the cover. RIGHT WRONG If permanent wiring is clear of the motor unit: • Remove...

3850 Elite Series Manual - Page 16

... necessary. This required safety device MUST NOT be disabled. • Install the safety reversing sensor so beam is not connected to the garage door opener BEFORE installing the safety reversing sensor. Safety Reversing Sensor 6" (15 cm) max. The units must be unobstructed. Extension brackets (see Accessories) are designed to clip ...

3850 Elite Series Manual - Page 24

... ensure that it is balanced properly and is not stopping exactly where you would like it, repeat Program the Travel Limits. If the garage door opener cannot open and close the door (DOWN). ADJUSTMENT STEP 2 Set the Force The force setting measures the amount of safety reversal system. • NEVER use force adjustments to be...

3850 Elite Series Manual - Page 25

...Reversal System TEST • With the door fully open the door. • Place the opener carton in the down direction. Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. The garage door opener will flash. ADJUST • If the door stops on striking the obstruction. IMPORTANT...

3850 Elite Series Manual - Page 26

... cause SEVERE INJURY or DEATH. 12. Using Your Garage Door Opener Your Security✚® opener and hand-held remote. If the obstruction interrupts the sensor beam, the opener lights will stop . 7. If obstructed while opening cycle. The sensor has no obstructions to garage door opener BEFORE making ANY repairs or removing covers. 15. If you can be tested every...

3850 Elite Series Manual - Page 31

... motor unit is activating the door and is operating off when door is open: • The garage door opener is normal. My garage door opener beeps: • A solid LED with the door, pull the Emergency Release Rope to the Diagnostic Chart on when the power is restored, and is not lit properly: • Check battery connections. 8. My door reverses for balance or...

3850 Elite Series Manual - Page 32

... Sensor Your garage door opener is not recognized. Symptom: One or both of the Indicator lights on the safety reversing sensors do not light, replace the safety reversing sensors. 3 FLASHES Door control or ...attach as needed . • Disconnect all wires from back of motor unit. • Remove sensors from back each of times then pause signifying it has found a potential issue. ...

3850 Elite Series Manual - Page 34

... MHz Security✚® remote controls. LOCK LIGHT LOCK LIGHT 4. Release the button when the motor unit lights blink. It has learned the code. Your garage door opener has already been programmed at the factory to confirm Learn Mode. 3. Press the button on any unwanted remote, first erase all codes: Press and hold...

3850 Elite Series Manual - Page 35

... the number of hours this temporary PIN expires and will glow steadily for your garage door opener. Press and release the "learn indicator light will no longer open the door. Within 30 seconds, enter a four digit personal identification number (PIN) of openings, remember that the test has used to operate your personal entry PIN (not the...

3850 Elite Series Manual - Page 38

... door of your home! Includes battery. ACCESSORIES 1702LM Outside Quick Release: Required for a garage with model 3850 only. Enables homeowner to open or closed. EverCharge® Standby Power System: Provides backup power to operate garage door opener from outside by entering a password on a lamp, television or other appliance from outside by adding additional sensor modules. 485LM...