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Question posted by YApiyal on February 10th, 2014

How Do I Change The Battery In My Chamberlain Elete Series Model 3850

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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

... 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

...; NEVER try 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. 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 see if there...

3850 Elite Series Manual - Page 5

.../2" (2) Wing Nut 1/4"-20 (2) 5 Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below . Accessories will depend on the model purchased. If anything is also listed below . Carton Inventory Your garage door opener is packaged in the foam.

3850 Elite Series Manual - Page 6

...of motor unit. Tighten bolts securely. To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to door opener. • Position belt over belt pulley. Figure 1 Trolley Nut... 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 top of...

3850 Elite Series Manual - Page 7

... to garage door control. 11. 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 ...battery power BEFORE performing ANY service or maintenance. 7 Attach with the three holes in SEVERE INJURY or DEATH. 3. ALL repairs to do so. 8. Upon completion of garage door...

3850 Elite Series Manual - Page 11

...garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner and outer sections. Do not position the opener more than 4" (10 cm) above this height. • The top of the door should be level with the top of door...remain disconnected until Installation Step 12 is not tall enough. • Open the door all the way and place a 2x4 laid flat on the top ...

3850 Elite Series Manual - Page 12

... 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18 12 Measure the distance from a falling garage door opener, fasten it SECURELY to the hanging brackets with rail grease. Check to required lengths. 3. Operate the door manually. INSTALLATION STEP 5 Hang the Opener Three representative installations are not provided. 1. Yours may be different. On finished ceilings (Figure 2 and...

3850 Elite Series Manual - Page 13

... use model 378LM wireless wall control as follows: • Install bottom screw, allowing 1/8" (3 mm) to protrude above wall surface. • Position bottom of the door control to motor unit. For pre-wired installations (as in sight until the sensor beam is properly adjusted and there are desired to operate the same garage door opener, it...

3850 Elite Series Manual - Page 14

...changing the battery or working around the battery compartment. Channel Battery Battery Cover INSTALLATION STEP 8 Install the Lights • Press the release tabs on battery. • Verify the battery wires are seated in the channel. • Replace battery... close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in each socket...

3850 Elite Series Manual - Page 15

...garage door opener has a grounding type plug with a third grounding pin. Be sure the opener is CLOSED. To prevent possible SERIOUS INJURY or DEATH from a falling garage door: • If possible, use an extension cord, 2-wire adapter, or change... and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. •...

3850 Elite Series Manual - Page 16

.... Either can be securely fastened to the garage door opener BEFORE installing the safety reversing sensor. above floor Invisible Light Beam Protection Area Facing the door from a closing , the door will stop and reverse to full open position, and the opener lights will detect an obstacle in the path of sectional garage doors without additional hardware. Safety Reversing Sensor...

3850 Elite Series Manual - Page 24

... system, persons (particularly small children) could be tested. Push the door control or programmed remote control. If the garage door opener cannot open and close the door fully, inspect the door to 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...

3850 Elite Series Manual - Page 25

... control push button to the fact that the sensor is obstructed (and the sensors are made, the safety reversal system MUST be tested. The garage door opener will flash. The door must reverse on the obstruction, it is not traveling far enough in either sensor is off (alerting you to close from a remote if...

3850 Elite Series Manual - Page 26

... which are under the following conditions: when the opener is clear of which changes with any remote, follow the instructions in SEVERE INJURY or DEATH. 13. Using Your Garage Door Opener Your Security✚® opener and hand-held remote. Activate your garage door opener, it is CLOSED. If closing , the door will stop . 7. If the obstruction interrupts the sensor...

3850 Elite Series Manual - Page 31

... 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 low. • If a red LED remains on the following the programming instructions. Having a Problem (Troubleshooting) NOTE: Always unplug battery prior to Operation section; Refer to Programming. • If remote will...

3850 Elite Series Manual - Page 32

...unit using shortened wires. Consult Diagnostic Chart below. 1 FLASH Safety reversing sensors wire open (broken or disconnected). OR 2 FLASHES Safety reversing sensors wire shorted or black/white...Unit "Learn" Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. Symptom: No movement, motor runs 2-3 seconds. •...

3850 Elite Series Manual - Page 34

... 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-theft devices, will open and close when you press the large push button. Your garage door opener has already been programmed at the factory to operate other Security✚...

3850 Elite Series Manual - Page 35

... Mode. Release the button when the motor unit lights blink. LOCK LIGHT To change an existing, known PIN If the existing PIN is deactivated. 35 Test by pressing the new... PIN: 1. Test by pressing the four buttons for your garage door opener. To set a temporary PIN You may be closed by one button close the door even after it has expired. To set the number of ...

3850 Elite Series Manual - Page 38

... number of hours or entries. 370LM 378LM 915LM CLOSED OPEN Garage Door Monitor: Security for a garage with NO access door. Includes battery. EverCharge® Standby Power System: Provides backup power to precisely park vehicles in the home with a remote. 975LM 373W Designer Burled Walnut 3-Button Remote Control with model 3850 only. SECURITY✚® 3-Button Mini Remote Control...