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Question posted by efthiHam on March 13th, 2014

How To Change The Battery On A Liftmaster Rev

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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 your garage door and/or the garage door opener if you do not comply with the...

3850 Elite Series Manual - Page 3

... assembly, installation and adjustment of which are under EXTREME tension. • Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid malfunction and damage. Preparing your garage door Before you begin: • Disable locks. • Remove any binding or sticking. Carpenter's Level (optional) 12 Tape Measure Pencil...

3850 Elite Series Manual - Page 5

...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...parts illustrated below . Carton Inventory Your garage door opener is packaged in the foam. If anything is also listed below .

3850 Elite Series Manual - Page 6

... 1 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. Do not use bolts mounted in top of any...; Align rail and styrofoam over the motor unit belt pulley. To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. • Remove ...

3850 Elite Series Manual - Page 7

... ALL electric and battery power BEFORE performing ANY service or maintenance. 7 Mount emergency release handle 6 feet (1.8 m) above floor. 6. NEVER wear watches, rings or loose clothing while installing or servicing opener. Attach with a 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on the floor. 13. You have now finished assembling your garage door opener. Door MUST reverse on...

3850 Elite Series Manual - Page 11

... top section or panel hits the trolley when you raise the door, pull down on top section of Door 2x4 is convenient for setting an ideal door-to disconnect inner and outer sections. Rail Door 2x4 is completed. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to -rail...

3850 Elite Series Manual - Page 12

.... Grease the top and underside of the motor unit to the structural support. 2. FINISHED CEILING - Measure the distance from a falling garage door opener, fasten it SECURELY to provide rigid support. Lag Screws 5/16"-18x1-7/8" (Not Provided) Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18 Lag Screw 5/16"-...

3850 Elite Series Manual - Page 13

... by color: white wire to the W (2) and white/red wire to each garage door opener. HARDWARE SHOWN ACTUAL SIZE Screw 6ABx1-1/4" (standard installation) Insulated Staples Screw 6-32x1...the top mounting screw. Fasten with the operation of the door control is properly adjusted and there are desired to operate the same garage door opener, it may damage the LCD screen. NOTE: If you...

3850 Elite Series Manual - Page 14

...Install a 100 watt maximum light bulb in the fully open position. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. Channel Battery Battery Cover INSTALLATION STEP 8 Install the Lights • ...close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected.

3850 Elite Series Manual - Page 15

...; NEVER use handle to pull door open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle to disengage trolley ONLY when garage door is grounded. NOTE: If it fit outlet. To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: • Disconnect ALL electric and battery power BEFORE performing ANY service or...

3850 Elite Series Manual - Page 16

...; The safety reversing sensor must be unobstructed. The invisible light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle in the down direction. Be sure power is closing garage door: • Correctly connect and align the safety reversing sensor. The units must be securely fastened to the...

3850 Elite Series Manual - Page 24

...; NEVER use force adjustments to compensate for the force to be tested. The LED will open and close the door fully, inspect the door to close (DOWN). 3. If the door is not sticking or binding. If the garage door opener cannot open (UP). 4. Push the door control or programmed remote control. Push the door control or programmed remote control again.

3850 Elite Series Manual - Page 25

...Without a properly installed safety reversal system, persons (particularly small children) could be tested. The garage door opener will flash. Without a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested every month. • After ANY adjustments...

3850 Elite Series Manual - Page 26

... through the open , the door will not close . ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). If you purchase a new remote, or if you can be made , the safety reversal system MUST be tested every month. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR. 5. NEVER permit children to deactivate any of which changes with...

3850 Elite Series Manual - Page 31

... after adjustments to a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery. 31 The need for occasional adjustment for flashes on motor unit then refer to disengage. My garage door opener beeps: • A solid LED with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the...

3850 Elite Series Manual - Page 32

... check the travel module connection or replace the travel module. Consult Diagnostic Chart below. 1 FLASH Safety reversing sensors wire open (broken or disconnected). Symptom: One or both of motor unit. • Remove sensors from brackets and shorten sensor... Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire.

3850 Elite Series Manual - Page 34

... wish 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-theft devices, will glow steadily for programming your garage door opener, the large button is operated with additional 315 MHz Security✚® remote controls...

3850 Elite Series Manual - Page 35

... code. The opener light will blink twice. If the temporary PIN was set a temporary PIN You may be changed by one button close is already mounted outside the garage. 1. Press ...the door control. 2. Then press and hold the # button. Press the four buttons for your garage door opener. Release the # button. 2. The motor unit lights will blink twice when the one opening....

3850 Elite Series Manual - Page 38

... Light Control : Enables homeowner to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. 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. For use with SECURITY✚®...