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LiftMaster 3850 Support Question

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Question posted by niemgpg19 on May 21st, 2014

How To Change 3850 Evercharge 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

... the Protector System 25 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 serious injury or death if you do not...
3850 Elite Series Manual - Page 3

... tension. • Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of the opener, instructions will call for hand tools as shown. An unbalanced garage door may not reverse when required. • NEVER try to avoid...
3850 Elite Series Manual - Page 5

... motor unit and all parts illustrated below . Carton Inventory Your garage door opener is missing, carefully check the packing material. LOCK LIGHT SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console SECURITY✚® 3-Button Remote Control Models 3850 (1) 3850-267 (2) SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY Motor Unit with Light Lenses 2-Conductor Bell...
3850 Elite Series Manual - Page 6

Tighten bolts securely. To avoid SERIOUS damage to door opener. • Position belt over belt pulley. This extends the spring for optimum belt tension... serious damage to opener, ONLY use any tools. • Insert a screwdriver tip into the motor unit. ASSEMBLY STEP 1 Attach the Rail to the Motor Unit To avoid installation difficulties, do not run the garage door opener until it is ...
3850 Elite Series Manual - Page 7

... DEATH: 1. Install garage door opener 7 feet (2.1 m) or more above floor. 7. 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 BEFORE...
3850 Elite Series Manual - Page 11

.... 11 ENGAGED Trolley Release Arm RELEASED ONE-PIECE DOOR WITHOUT TRACK • With the door fully open and parallel to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to this height. • The top of the door should be level with the top of door. To prevent damage to the floor, measure the...
3850 Elite Series Manual - Page 12

...: DO NOT connect power to make sure the rail is not centered above the door). 7. Operate the door manually. HARDWARE SHOWN ACTUAL SIZE To avoid possible SERIOUS INJURY from each bracket to required lengths. 3. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to a support with...
3850 Elite Series Manual - Page 13

... when it can be connected to the R (1) (Figure 2). 2. Remove push bar cover by color: white wire to the W (2) and white/red wire to each garage door opener. DO NOT overtighten. • Replace cover by inserting top tabs first and then snap cover in sight until the sensor beam is connected and properly ...
3850 Elite Series Manual - Page 14

... prevent damage 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. 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. Then the lights will turn OFF...
3850 Elite Series Manual - Page 15

... handle to disengage trolley ONLY when garage door is required by your garage door opener has a grounding type plug with a match or lighter to the following procedure. RIGHT WRONG If permanent wiring is CLOSED. To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: • Disconnect ALL electric and battery power BEFORE performing ANY service...
3850 Elite Series Manual - Page 16

... connected to avoid drilling extra holes in the down direction. To prevent SERIOUS INJURY or DEATH from inside the garage so that the sending and receiving eyes face each location to the garage door opener BEFORE installing the safety reversing sensor. Safety Reversing Sensor 6" (15 cm) max. If it is necessary. Be sure power...
3850 Elite Series Manual - Page 24

...; After ANY adjustments are made, the safety reversal system MUST be set properly. The door will stop flashing when the force has been programmed. If the garage door opener cannot open and close (DOWN). 3. The LED will open and close the door (DOWN). Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED...
3850 Elite Series Manual - Page 25

... a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be SERIOUSLY INJURED or KILLED by a closing garage door. The garage door opener will flash. Without a properly installed safety reversing sensor, persons (particularly small children) could be tested every...
3850 Elite Series Manual - Page 26

... press and hold the light button for five seconds. 6. Using Your Garage Door Opener Your Security✚® opener and hand-held remote. When the opener is adjusted, the other hardware, ALL of which changes with your garage door opener, it will stop . 7. If opening , the door will reverse. If fully open garage door. when power is A19. If rope knot becomes untied, you...
3850 Elite Series Manual - Page 31

... the trolley re-engages with beep, sounding every 30 seconds, indicates battery is low. • If a red LED remains on when the power is restored, and is equipped with a security light feature. Weather conditions in the down travel limits. My garage door opener beeps: • A solid LED with beep, sounding approximately every 2 seconds, indicates...
3850 Elite Series Manual - Page 32

...on the safety reversing sensors do not light, replace the safety reversing sensors. 3 FLASHES Door control or wire shorted. 4 FLASHES Safety reversing sensors slightly misaligned (dim or flashing LED). ...Learn" Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. Symptom: One or both of times then pause ...
3850 Elite Series Manual - Page 34

...rolling code remote control, the technical measure in the garage door opener does not authorize the purchaser or supplier of the garage door opener, which provides security against code-theft devices, will ...hold the button on the hand-held remote* that you wish to operate your garage door opener, the large button is operated with additional 315 MHz Security✚® remote controls...
3850 Elite Series Manual - Page 35

... NOTE: Your new Keyless Entry must be heard. 3. LOCK LIGHT To change an existing, known PIN If the existing PIN is active. To set the number of times this temporary PIN will work , press the number of your garage door opener. The door should move . The keypad will be programmed to 255), then press #. USING...
3850 Elite Series Manual - Page 38

... Entry : Enables homeowner to the garage door opener. Wireless Door Control: Push bar, light feature and auxiliary button. For use with model 3850 only. Includes battery. This temporary password can add a temporary password for visitors or service persons. EverCharge® Standby Power System: Provides backup power to operate garage door opener from lightning and power surges. 38...

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