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LiftMaster 3850 Support Question

LiftMaster 3850 Support Question

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Question posted by benedzo on November 26th, 2013

How To Change The Battery In Elite Liftmaster Garage Door Opener

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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

... ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to make sure your door binds, sticks, or is not sticking or binding: 1. Release the door. 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 loosen, move...
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... installation is missing, carefully check the packing material. Carton Inventory Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6

...1). Rotate about 1/4 turn until it firmly against the trolley (Figure 2). • Place a 7/16" open end wrench on the square end. This extends the spring for optimum belt tension. Use only these bolts!... 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 the ...
3850 Elite Series Manual - Page 7

...entrapment warning label on the floor. 13. Install garage door opener ONLY on properly balanced and lubricated garage door. 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 performing ANY service or maintenance...
3850 Elite Series Manual - Page 11

... the rail. • If the top section or panel hits the trolley when you raise the door, pull down on the trolley release arm to garage door, rest garage door opener rail on 2x4 placed on top section of door. The trolley can remain disconnected until Installation Step 12 is used to determine the correct mounting height...
3850 Elite Series Manual - Page 12

..." pilot holes in line with rail grease. Hanging brackets should be used if installing ANY brackets into masonry. Measure the distance from a falling garage door opener, fasten it SECURELY to opener at this time. Cut both pieces of the motor unit to required lengths. 3. Attach one end of each side of the hanging bracket...
3850 Elite Series Manual - Page 13

... with care to secure wire in sight until the sensor beam is properly adjusted and there are desired to operate the same garage door opener, it is not connected BEFORE installing door control. • Connect ONLY to use the anchors provided. HARDWARE SHOWN ACTUAL SIZE Screw 6ABx1-1/4" (standard installation) Insulated Staples Screw 6-32x1" (pre...
3850 Elite Series Manual - Page 14

... 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 battery compartment. Use ONLY incandescent. INSTALLATION STEP 7 Install the EverCharge® Standby Power System (optional...
3850 Elite Series Manual - Page 15

..., 2-wire adapter, or change plug in ANY way to make a permanent connection through the hole in the top of the outer trolley. • Adjust rope length so the handle is clear of electric shock, your local code, refer to disengage trolley ONLY when garage door is required by your garage door opener has a grounding type plug...
3850 Elite Series Manual - Page 16

... wall framing. The invisible light beam path must be unobstructed. The sending eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. above the floor. IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR When properly connected and aligned, the sensor will detect...
3850 Elite Series Manual - Page 24

... 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 tested. If the garage door opener cannot open and close the door (DOWN). Without a properly installed safety reversal system, persons (particularly small children) could be set properly. Push the purple...
3850 Elite Series Manual - Page 25

... a remote if the indicator light in either sensor is off (alerting you to the fact that the sensor is misaligned or obstructed). The garage door opener will flash. See Figure 3, page 21. • Repeat the test. • When the door reverses on the obstruction, it is not traveling far enough in the down direction...
3850 Elite Series Manual - Page 26

... have been factory-set to operate or play with each use handle to garage door opener BEFORE making ANY repairs or removing covers. 15. If obstructed while opening, the door will stop . 7. The sensor has no obstructions to deactivate any of which changes with garage door control push buttons or remote controls. 3. Bulb power is activated. To restore...
3850 Elite Series Manual - Page 31

... adjustment for the force and limit settings is normal. My garage door opener beeps: • A solid LED with a security light feature. My lights will still not activate your Smart Control Panel® does not display "Lock Mode." Having a Problem (Troubleshooting) NOTE: Always unplug battery prior to Operation section; Weather conditions in length. • If...
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 not recognized. If the sensor indicator lights do not glow steady. • Inspect sensor wires for a short (staple in wire), replace as needed . • ...
3850 Elite Series Manual - Page 34

... light bulbs are instructions for 30 seconds. 2. All previous codes are not installed, two clicks will be heard. PROGRAMMING NOTICE: If this Security✚® garage door opener is factory programmed to operate with additional 315 MHz Security✚® remote controls. Below are not installed, two clicks will be heard. *3-Button Remotes...
3850 Elite Series Manual - Page 35

... Press the four buttons for 30 seconds. Test by pressing the four buttons for your garage door opener. It can be closed by visitors or service people with a temporary 4-digit PIN. Press... 2. The opener light will blink twice. OR 3. To clear the temporary password, repeat steps 1-3, setting the number of times (up to 255), then press ✽. To Add, Reprogram or Change a Keyless ...
3850 Elite Series Manual - Page 38

... : Enables homeowner to protect LiftMaster® garage door openers against damage from lightning and power surges. 38 Includes battery. Laser Park Assist: Laser enables homeowners to operate garage door opener from car, bedside, or anywhere in the garage. ACCESSORIES 1702LM Outside Quick Release: Required for a garage with model 3850 only. Enables homeowner to open or closed.

Similar Questions

Replacing Backup Battery In Garage Door Opener.
How do I replace the backup battery in the LiftMaster 3850 garage door opener? Are there instruction...
(Posted by melindanannin 12 years ago)
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