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LiftMaster 3850 Support Question

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Question posted by tz188phyze on January 22nd, 2014

How To Remove Battery On Mounted 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. ■...

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 damage to offer safe service provided it . Mechanical...

3850 Elite Series Manual - Page 3

..., cables, pulleys, brackets or their hardware, ALL 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. Carpenter's Level (optional) 12 Tape Measure Pencil Stepladder Drill Bits Drill 3/16", 5/16" and 5/32" Sockets and Wrench 1/2", 5/8", 7/16...

3850 Elite Series Manual - Page 5

...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) Belt RReemmootteeCCoonnttrrooll VVisisoorrCClilpip : Styrofoam Belt Cap Retainer One-Piece Rail CEYILING MOUNT ONL UP Header Bracket Door Bracket Curved Door Arm Section Safety...

3850 Elite Series Manual - Page 6

... not run the garage door opener until instructed to door opener. • Position belt over belt pulley. This extends the spring for optimum belt tension. Tighten bolts securely. Do not use bolts mounted in top of any tools. • Insert a screwdriver tip into the motor unit. Cut tape from rail, chain and styrofoam. • REMOVE STYROFOAM. •...

3850 Elite Series Manual - Page 7

... Hex Screw #8x3/8" WARNING Belt Cap Retainer Motor Unit Belt Pulley Mounting Plate WARNING INSTALLATION IMPORTANT INSTALLATION INSTRUCTIONS WARNING To reduce the risk of the door. 10. ALL repairs to do so. 8. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to the installation section. NEVER wear watches, rings or loose...

3850 Elite Series Manual - Page 11

... when you raise the door, pull down on top section of Door 2x4 is convenient for setting an ideal door-to your door type as a support, raise the top of the motor unit. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to determine the correct mounting height from ceiling...

3850 Elite Series Manual - Page 12

... different. Hanging brackets should be angled (Figure 1) to the structural support. 2. FINISHED CEILING - Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports before installing the opener. Remove the 2x4. If the door hits the rail, raise the header bracket. 8. Yours may be used if installing ANY brackets into masonry. This bracket...

3850 Elite Series Manual - Page 13

... bottom of insulation from one 398LM can be connected to secure wire in tabpwusithhisnctraebwwdritivher tip screwdriver tip Antenna Red White Grey Red White Grey 13 Remove push bar cover by gently prying at the lower/middle portion of the buttons, loosen the top mounting screw. Use insulated staples to each garage door opener.

3850 Elite Series Manual - Page 14

... prevent damage to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. Use ONLY incandescent. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. Do not remove the lens. • Install a 100 watt maximum light bulb in each...

3850 Elite Series Manual - Page 15

...garage door is required by your garage door opener has a grounding type plug with an overhand knot. Ensure that the rope and handle clear the tops of the motor unit: • Remove ... 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 ...

3850 Elite Series Manual - Page 16

... breaks the light beam while the door is not connected to mount the units on the left or right of the door as long as the wall framing. This required safety device MUST NOT be disabled. • Install the safety reversing sensor so beam is necessary to the garage door opener BEFORE installing the safety reversing...

3850 Elite Series Manual - Page 24

... close (DOWN). 3. If the garage door opener cannot open and close the door. 1. If the door is not sticking or binding. Push the door control or programmed remote control. Push the door control or programmed remote control a third time to open and close the door fully, inspect the door to be SERIOUSLY INJURED or KILLED by a closing garage door. • Too much force...

3850 Elite Series Manual - Page 25

...), remove the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment. • If the unit continues to the fact that the sensor is misaligned or obstructed). The door will not move more than 1" (2.5 cm), and the opener lights will not close the door. The garage door opener will flash. If the opener closes the door when...

3850 Elite Series Manual - Page 26

... broken. Weak or broken springs or unbalanced door could result in sight until the door starts to move . • The Wall-Mounted Door Control: Hold the push button or bar down travel is complete. Failure to pull garage door open , the door will reverse. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). If open or closed , it will blink for five...

3850 Elite Series Manual - Page 31

... the programming instructions. Using the Wall-Mounted Door Control, Light Feature. 6. My garage door opener beeps: • A solid LED with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the door and is accompanied by adjusting the outer nut 4 to 5 turns. Having a Problem (Troubleshooting) NOTE: Always unplug battery prior to Operation section; Weather...

3850 Elite Series Manual - Page 32

...door doesn't activate from the door control. • Inspect door control/wires for a short (staple in wire), correct wiring polarity (black/white wires reversed), broken or disconnected wires, replace/attach as needed . • Disconnect all wires from back of motor unit. • Remove...Learn" Button Installed Safety Reversing Sensor Your garage door opener is dim or flashing. • Realign...

3850 Elite Series Manual - Page 34

... the button when the motor unit lights blink. Press the PROG button again to operate other Security✚® garage door openers. 34 Your garage door opener has already been programmed at the factory to operate your opener to operate it has learned the code. The learn " button on the hand-held remote that technical measure. Within...

3850 Elite Series Manual - Page 35

...mounted outside the garage. 1. OR 3. Release the button when the motor unit lights blink. To set a temporary PIN: 1. To clear the temporary password, repeat steps 1-3, setting the number of your choice on the door control. 2. This feature has been activated at the factory. The opener...Mode. Press the four buttons for your garage door opener. If light bulbs are not installed, ...

3850 Elite Series Manual - Page 38

... Release: Required for a garage with model 3850 only. Enables homeowner to 4 garage doors by entering a password on a lamp, television or other appliance from car, bedside, or anywhere in the garage. Tells you if your home! Monitors up to open or closed. Includes battery. Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by...