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Question posted by xxsuinno on February 6th, 2014

How To Change The Battery In Liftmaster Elite Series 3850 P

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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...

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 damage to your opener 30 Having a problem? (Troubleshooting 31 Diagnostic chart 32...

3850 Elite Series Manual - Page 3

... EXTREME tension. • Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to make sure your garage door is balanced and is any ropes connected to garage door. • Complete the following test to avoid entanglement. Release the door. Carpenter's Level (optional) 12 Tape Measure Pencil Stepladder Drill Bits Drill 3/16...

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

...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 of motor unit. • ...slots and brace it is finger tight against the trolley (Figure 2). • Place a 7/16" open end wrench on top of any tools. • Insert a screwdriver tip into the motor unit....

3850 Elite Series Manual - Page 7

... installation section. NEVER connect garage door opener to power source until instructed to cables, spring assemblies and other hardware MUST be caught in garage door or opener mechanisms. 9. Door MUST reverse on contact with a 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on wall next to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service...

3850 Elite Series Manual - Page 11

... flat is completed. Slide the outer trolley toward the motor unit. 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 determine the correct mounting height from ceiling. The trolley can...

3850 Elite Series Manual - Page 12

... where the trolley slides with the header bracket if the bracket is centered over the door (or in the structural supports. 4. Operate the door manually. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the garage. Drill 3/16" pilot holes in line with rail grease. Concrete anchors MUST be different...

3850 Elite Series Manual - Page 13

... Grey Red White Grey 13 If installing into gang box) as the secondary door control. 1. NOTE: The functional temperature range of door control on screw head and slide down to each garage door opener. Strip 7/16" (11 mm) of the buttons, loosen the top mounting...sensor beam is properly adjusted and there are desired to operate the same garage door opener, it can be connected to secure.

3850 Elite Series Manual - Page 14

... 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 battery compartment. NOTE: Use only standard light bulbs. Release Tab 100 Watt (Max) Standard Light Bulb...

3850 Elite Series Manual - Page 15

...from electrocution or fire: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the...or DEATH from a falling garage door: • If possible, use an extension cord, 2-wire adapter, or change plug in ANY way to the green ground screw. The opener must be in compliance with...

3850 Elite Series Manual - Page 16

... floor. No part of wood at each other hardware) may interrupt the beam while the door is closing garage door: • Correctly connect and align the safety reversing sensor. The units must be connected and aligned correctly before the garage door opener will flash 10 times. Safety Reversing Sensor 6" (15 cm) max. INSTALLATION STEP 11 Install...

3850 Elite Series Manual - Page 24

... button twice to enter unit into the Force Adjustment Mode. The LED will open (UP). 4. Push the door control or programmed remote control. If the garage door opener cannot open and close the door (DOWN). Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on garage door will interfere with proper operation of force required to...

3850 Elite Series Manual - Page 25

... not move more than 1" (2.5 cm), and the opener lights will not close the door. ADJUST • If the door stops on striking the obstruction. NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down direction. The garage door opener will flash. Door MUST reverse on contact with 1-1/2" high (3.8 cm) object...

3850 Elite Series Manual - Page 26

... operator properly may also need adjustment. 10. ALL repairs to disengage trolley ONLY when garage door is adjusted, the other hardware, ALL of which changes with the safety reversing sensor correctly installed and aligned) 1. Your opener will stop . 4. When the opener is 100 watts maximum. Bulb power is activated (with each use emergency release handle...

3850 Elite Series Manual - Page 31

... aligned correctly before the garage door opener will not turn off of any binding problems. • Refer to Adjustment Step 1, Program the Travel Limits. Refer to Installation Step 10: Install The Protector System®. • Check diagnostic LED for balance or any obstructions. If battery status LED is normal. My door reverses for the force...

3850 Elite Series Manual - Page 32

.... 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 sensor. • Reattach sending eye to 1-2 ft (30-60 cm) from...

3850 Elite Series Manual - Page 34

... goes out (approximately 6 seconds). Within 30 seconds, press and hold the "learn" button on motor unit until the learn indicator light will be heard. Your garage door opener has already been programmed at the factory to operate with additional 315 MHz Security✚® remote controls. Additional buttons on any unwanted remote, first...

3850 Elite Series Manual - Page 35

... the PROG button again to close is already mounted outside the garage. 1. Press the four buttons for your garage door opener. After a programmed number of hours or number of your choice...set to a certain number of openings, remember that the test has used to confirm Learn Mode. OR 3. To activate or deactivate this temporary PIN will be changed by pressing the new PIN,...

3850 Elite Series Manual - Page 38

... 378LM 915LM CLOSED OPEN Garage Door Monitor: Security for visitors or service persons. Monitors up to open or closed. SECURITY✚® 4-Button Remote Control : Includes visor clip. For use with model 3850 only. Tells you if your home! SECURITY✚® 3-Button Mini Remote Control : With key ring and fastening strip. Includes battery. EverCharge®...