Home » LiftMaster » Garage Door Openers » LiftMaster 3850

LiftMaster 3850 Support Question

Find answers below for this question about LiftMaster 3850.
Need a LiftMaster 3850 manual? We have 1 online manual for this item!

LiftMaster Overview Questions Manuals Reviews Videos Research

Question posted by teels98 on December 30th, 2013

How To Replace Battery In Chamberlain Elite Series Liftmaster

The person who posted this question about this LiftMaster product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.

I Know the Answer!

I have the same question
Request More Information

Current Answers

Answer #1: Posted by TommyKervz on December 30th, 2013 8:45 AM

This answer was accepted by the poster of the original question.

TommyKervz

Member since:
January 10th, 2013

Points: 17,776,823

1,100
points

Greetings. See page 41 of the 3850 Elite Series Manual here
http://www.helpowl.com/manuals/LiftMaster/3850/115695

Hope that is helpful.
Kervz at www.satechhelp.co.za

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

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

3850 Elite Series Manual - Page 3

...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 balance. 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 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)...below . Accessories will depend on the model purchased. Carton Inventory Your garage door opener is packaged in the foam.

3850 Elite Series Manual - Page 6

...spring releases and snaps the nut ring against the trolley (Figure 2). • Place a 7/16" open end wrench on the square end. Figure 1 Trolley Nut Ring Trolley Nut Ring Figure 3 BEFORE .... To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do not run the garage door opener until instructed to door opener. • Position belt over ...

3850 Elite Series Manual - Page 7

...; 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 now finished assembling your garage door opener. To avoid possible SERIOUS INJURY to cables, spring assemblies and other hardware MUST be caught in plain view on...

3850 Elite Series Manual - Page 11

... motor unit. ENGAGED Trolley Release Arm RELEASED ONE-PIECE DOOR WITHOUT TRACK • With the door fully open and parallel to the floor, measure the distance 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 arm...

3850 Elite Series Manual - Page 12

... bracket and fastening hardware are shown. Concrete anchors MUST be used if installing ANY brackets into masonry. Remove foam packaging. Measure the distance from a falling garage door opener, fasten it SECURELY to the structural support. 2. Attach one end of each side of the motor unit to structural supports of the hanging bracket to...

3850 Elite Series Manual - Page 13

... Screw 6-32x1" (pre-wired) Drywall Anchors Figure 1 REMOVE COVER REPLACE COVER To Replace Insert Top Tabs First PRE-WIRED INSTALLATION LOCK LIGHT LOCK LIGHT Push ...door control. • Connect ONLY to each garage door opener. Scroll speed of the door control is properly adjusted and there are desired to operate the same garage door opener, it can be mounted to the full open...

3850 Elite Series Manual - Page 14

... overheat the endpanel or light socket. 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 connected. ALWAYS wear protective gloves and eye protection when changing the battery or working around the...

3850 Elite Series Manual - Page 15

... required by your garage door opener has a grounding type plug with a match or lighter to prevent unraveling. If the plug doesn't fit into a grounding type outlet. 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...

3850 Elite Series Manual - Page 16

... Protector System® The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the path of the door as long as the wall framing. The units must be installed inside the garage. The invisible light beam path must be unobstructed. Be sure power is not connected to...

3850 Elite Series Manual - Page 24

... and is not stopping exactly where you would like it, repeat Program the Travel Limits. If the garage door opener cannot open (UP). 4. The door must travel through a complete cycle, up and down, in order for a binding or sticking garage door. • After ANY adjustments are made, the safety reversal system MUST be set properly. If the...

3850 Elite Series Manual - Page 25

... Safety Reversal System TEST • With the door fully open the door. • Place the opener carton in the path of the opener. The door must reverse on the floor, centered under the garage door. • Operate the door in either sensor is not traveling far enough in the down direction. The garage door opener will not move more than 1" (2.5 cm), and...

3850 Elite Series Manual - Page 26

... making ANY repairs or removing covers. 15. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPEN DOOR. 6. Using Your Garage Door Opener Your Security✚® opener and hand-held remote. If closing , the door will stop . 7. If the obstruction interrupts the sensor beam, the opener lights will reverse. 3. Bulb power is CLOSED. If one Security✚® Keyless...

3850 Elite Series Manual - Page 31

..., sounding every 30 seconds, indicates battery is approximately 1-1/4" (3.18 cm) in particular can affect door travel. • Refer to 5 turns. My garage door opener beeps: • A solid LED with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the door and is operating off when door is open: • The garage door opener is normal. My remotes will...

3850 Elite Series Manual - Page 32

... 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. If motor unit activates, replace door control wires. Symptom: Sending indicator light glows steadily, receiving indicator light is dim or flashing. • Realign receiving eye sensor...

3850 Elite Series Manual - Page 34

... hand-held Remote Control USING THE DOOR CONTROL LOCK LIGHT LOCK LIGHT 1. Your garage door opener has already been programmed at the factory to operate with your opener to operate with a non-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...

3850 Elite Series Manual - Page 35

...button close is known, it has learned the code. Press the four buttons for your garage door opener. When the motor unit lights blink, it may authorize access by pressing the new ... ladder. 1. OR 3. To set the number of hours this temporary PIN will no longer open the door. The door should move . To clear the temporary password, repeat steps 1-3, setting the number of times...

3850 Elite Series Manual - Page 38

... a password on a lamp, television or other appliance from car, bedside, or anywhere in the garage. Tells you if your home! Enables homeowner to open or closed. EverCharge® Standby Power System: Provides backup power to protect LiftMaster® garage door openers against damage from outside by disengaging trolley. 373P 41A5281 Extension Brackets: (Optional) For safety reversing...