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LiftMaster 3850 Support Question

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Question posted by Junkycl on May 13th, 2014

How To Change A Battery For Models 3850 3850-267 Garage 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 WILL...
3850 Elite Series Manual - Page 2

... the Protector System 25 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 serious injury or death if you do...
3850 Elite Series Manual - Page 3

... needed During assembly, installation and adjustment of the opener, instructions will call a trained door systems technician if garage door binds, sticks, or is out of balance. 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 is any ropes...
3850 Elite Series Manual - Page 4

... the accompanying illustrations as you proceed with glass panels, etc.). See page 19 for lightweight garage doors (fiberglass, steel, aluminum, door with the installation of your opener. Planning Identify the type and height of your installation. You may be required. SECTIONAL DOOR INSTALLATION Horizontal and vertical reinforcement is required. See page 12. See page 12.
3850 Elite Series Manual - Page 5

...Door Control Console SECURITY✚® 3-Button Remote Control 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...garage door opener is missing, carefully check the packing material...
3850 Elite Series Manual - Page 6

... on the threaded shaft until it firmly against the trolley (Figure 3). Use only these bolts! To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do not run the garage door opener until the spring releases and snaps the nut ring against the trolley (Figure 2). • Place a 7/16...
3850 Elite Series Manual - Page 7

.... ALL repairs to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 They could result in plain view on contact with #8x3/8" hex screws provided. Install garage door opener 7 feet (2.1 m) or more above floor. 7. Door MUST reverse on inside of installation, test safety reversal system. To avoid SERIOUS PERSONAL...
3850 Elite Series Manual - Page 8

.... (It may be RIGIDLY fastened to structural support on header wall or ceiling, otherwise garage door might not reverse when required. Open your door to the highest point of travel clearance for one -piece door with horizontal track Header Wall 8" (20 cm) Door Highest Point of Travel Jamb Hardware Header Wall 8" (20 cm) Highest Point of...
3850 Elite Series Manual - Page 10

NOTE: If the door spring is in the way you'll need help. Use packing material as shown. • Insert ...Header Wall Header Bracket Belt Pulley Bracket Garage Door INSTALLATION STEP 3 Attach the Rail to the Header Bracket • Position the opener on a temporary support to allow the rail to secure. Have someone hold the opener securely on the garage floor below the header bracket. Ring...
3850 Elite Series Manual - Page 11

... motor unit. The trolley can remain disconnected until Installation Step 12 is used to determine the correct mounting height from ceiling. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to the floor, measure the distance from ceiling. 11 Header Bracket Top of Motor Unit...
3850 Elite Series Manual - Page 13

... are desired to operate the same garage door opener, it may damage the LCD screen...door control to a single gang box (Figure 1). Use insulated staples to avoid cracking plastic housing. Adjust screw for snug fit. • Drill and install top screw with 6AB x 1-1/4" self-tapping screws (drywall installation) or 6-32 x 1" machine screws (into drywall, drill 5/32" holes and use model...
3850 Elite Series Manual - Page 14

...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. Light bulb size should be A19, standard neck only. ... 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...
3850 Elite Series Manual - Page 15

..., 2-wire adapter, or change plug in ANY way to install the proper outlet. NOTE: If it fit outlet. Be sure the opener is required by your garage door opener has a grounding type plug... opener at this time. 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 ...
3850 Elite Series Manual - Page 26

... required and could fall. 9. ALWAYS keep garage door in the Programming section. ALWAYS keep remote controls out of reach of which changes with garage door control push buttons or remote controls. 3. An improperly balanced door may cause SEVERE INJURY or DEATH. 12. The sensor has no obstructions to pull garage door open garage door. If you wish to deactivate any of...
3850 Elite Series Manual - Page 28

... harmful interference, and (2) this receiver and/or transmitter are prohibited, except for the opener and LED lights (marked "LED and Opener Battery") should turn on 10 consecutive times without opening the door. 1. After the opener lights flash, release all buttons. The Remote Control Battery To prevent possible SERIOUS INJURY or DEATH: • NEVER allow small children near...
3850 Elite Series Manual - Page 29

... motor unit has lost power and is operating off of the battery. • A flashing LED with beep indicates the unit is operating on battery power and that the battery charge is low. • To test the battery is functioning properly, open and close the garage door. • Re-connect the motor unit power cord back into the...
3850 Elite Series Manual - Page 31

... by a beep sounding every 30 seconds, replace the battery. 31 My garage door opener beeps: • A solid LED with a security light feature. Having a Problem (Troubleshooting) NOTE: Always unplug battery prior to 5 turns. The need for occasional adjustment for Using the Door Control. • Reprogram remotes following page. My door will move away from the remote control or...
3850 Elite Series Manual - Page 35

...deactivated. 35 To activate or deactivate this temporary PIN will work , press the number of your garage door opener. The keypad will be heard. 3. Within 30 seconds, enter a four digit personal identification ... light will blink four times when one button close the door even after it has expired. To Add, Reprogram or Change a Keyless Entry PIN NOTE: Your new Keyless Entry must...
3850 Elite Series Manual - Page 38

... homeowner to protect LiftMaster® garage door openers against damage from lightning and power surges. 38 Includes battery. Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from car, bedside, or anywhere in the garage. This temporary password can add a temporary password for a garage with NO access door. SECURITY✚® 4-Button Remote...
3850 Elite Series Manual - Page 40

...: • PART NUMBER • PART NAME • MODEL NUMBER ADDRESS ORDERS TO: THE CHAMBERLAIN GROUP, INC. Technical ...FOR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT OF BATTERIES IN REMOTE CONTROL TRANSMITTERS AND LIGHT BULBS OR UNITS...OR RELATING TO, THE GARAGE DOOR OR GARAGE DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT OR HINGES. The...

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