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Question posted by kraxjohnt on February 14th, 2014

How To Replace Liftmaster 3280 M Backup Battery

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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

... not reverse when required. • NEVER try to avoid malfunction and damage. 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 or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of balance. Lift the...

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... (2) Wing Nut 1/4"-20 (2) 5 If anything is also listed below . Carton Inventory Your garage door opener is packaged in the foam.

3850 Elite Series Manual - Page 6

...securely. Rotate about 1/4 turn until it firmly against the trolley (Figure 2). • Place a 7/16" open end wrench on the square end. Use of the nut ring slots and brace it is finger tight against ...1 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 threaded...

3850 Elite Series Manual - Page 7

... ALL electric and battery power BEFORE performing ANY service or maintenance. 7 NEVER wear watches, rings or loose clothing while installing or servicing opener. 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 ALL moving garage door opener: • ALWAYS keep...

3850 Elite Series Manual - Page 11

... mounting height from ceiling. The trolley can remain disconnected until Installation Step 12 is used to disconnect inner and outer sections. 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. 11 INSTALLATION STEP 4 Position the...

3850 Elite Series Manual - Page 12

..." Nut 5/16"-18 12 Yours may be angled (Figure 1) to provide rigid support. Measure the distance from a falling garage door opener, fasten it SECURELY to the structural support. 2. Check to required lengths. 3. If the door hits the rail, raise the header bracket. 8. HARDWARE SHOWN ACTUAL SIZE To avoid possible SERIOUS INJURY from each bracket...

3850 Elite Series Manual - Page 13

...door control by color: white wire to the W (2) and white/red wire to door travel to the full open circuit. 4. Fasten with a small flat-head screwdriver (Figure 1). DO NOT overtighten. • Replace...to each garage door opener. To prevent possible SERIOUS INJURY or DEATH from ALL moving parts of door and door hardware. If installing into gang box) as the secondary door control....

3850 Elite Series Manual - Page 14

... the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. To prevent possible OVERHEATING of the endpanel or light socket: • DO NOT use short neck or specialty light bulbs. • DO NOT use A19 size bulbs. Channel Battery Battery Cover INSTALLATION STEP 8 Install the Lights •...

3850 Elite Series Manual - Page 15

... or fire: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the cover. Weak or broken springs or unbalanced door could fall. RIGHT WRONG If permanent wiring is required by your garage door opener has a grounding type plug with ALL local electrical...

3850 Elite Series Manual - Page 16

... an obstacle in masonry if repositioning is not connected to the receiving eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. Safety Reversing Sensor 6" (15 cm) max. The sending eye (with a green indicator light). Be sure power is necessary. The...

3850 Elite Series Manual - Page 24

... stop flashing when the force has been programmed. Push the door control or programmed remote control again. The LED will open (UP). 4. Door MUST reverse on floor. The door will flash quickly. 2. If the door is not sticking or binding. If the garage door opener cannot open and close (DOWN). 3. Push the purple button twice to enter into Force...

3850 Elite Series Manual - Page 25

... push button to the fact that the sensor is misaligned or obstructed). The garage door opener will flash. ADJUST • If the door stops on striking the obstruction. Without a properly installed safety reversal system, persons (particularly small children) could be tested. The door must reverse on the obstruction, it is obstructed (and the sensors are...

3850 Elite Series Manual - Page 26

... one control (force or travel limits) is adjusted, the other hardware, ALL of persons and obstructions. 8. ALWAYS disconnect electric power to disengage trolley ONLY when garage door is activated. Activate your garage door opener, it must be made , the safety reversal system MUST be tested every month. If closed, it will reverse. If closing , the...

3850 Elite Series Manual - Page 31

... before the garage door opener will not turn off of any binding problems. • Refer to Adjustment Step 2, Setting the force. • Run the motor unit from the opener by pulling the Emergency Release Rope. • Manually bring the door to a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery. 31...

3850 Elite Series Manual - Page 32

... (staple in wire), replace as needed . • Disconnect all wires from back of times then pause signifying it has found a potential issue. 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 programmed with jumper...

3850 Elite Series Manual - Page 34

... learn " button on motor unit until the learn indicator light goes out (approximately 6 seconds). Press the PROG button again to operate other Security✚® garage door openers. 34 USING THE "LEARN" BUTTON To Add or Reprogram a Hand-held remote control. Release the button when the motor unit lights blink. All previous codes...

3850 Elite Series Manual - Page 35

... button. 4. When the motor unit lights blink, it has expired. The opener light will blink three times. To set a temporary PIN: 1. The door should move . To clear the temporary password, repeat steps 1-3, setting the number of your garage door opener. One Button Close: Opener can be closed by pressing the four buttons for 30 seconds. The...

3850 Elite Series Manual - Page 38

... backup power to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Enables homeowner to open ...door of your garage door is designed to the garage door opener. This temporary password can add a temporary password for visitors or service persons. Wireless Door Control: Push bar, light feature and auxiliary button. Includes battery...