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LiftMaster 3850 Support Question

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Question posted by michcarri on September 17th, 2013

How To Change Battery On Garage Door Keypad Liftmaster

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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

... tension. • Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener 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 avoid entanglement. Carpenter's Level (optional) 12...

3850 Elite Series Manual - Page 5

Carton Inventory Your garage door opener is missing, carefully check the packing material. If anything is packaged in the foam. LOCK LIGHT SLmCaDrtMCootniotrnolDPeatencetli®ng 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 ...

3850 Elite Series Manual - Page 6

...8226; By hand, thread the spring trolley nut on the threaded shaft until instructed to door opener. • Position belt over belt pulley. This extends the spring for optimum belt tension... SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do not run the garage door opener until it firmly against the trolley (Figure 2). • Place a 7/16" open end wrench on...

3850 Elite Series Manual - Page 7

... avoid SERIOUS PERSONAL INJURY or DEATH from moving parts of SEVERE INJURY or DEATH: 1. Upon completion of garage door. 12. NEVER connect garage door opener to power source until instructed to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 Place manual release/safety reverse test label in SEVERE INJURY...

3850 Elite Series Manual - Page 11

... Installation Step 12 is convenient for setting an ideal door-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 your door type as a support, raise the top of the opener to determine the correct mounting height from the floor...

3850 Elite Series Manual - Page 12

..."-18x1-7/8" lag screws. 5. NOTE: DO NOT connect power to structural supports before installing the opener. Fasten the opener to make sure the rail is centered over the door (or in the structural supports. 4. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to required lengths. 3. INSTALLATION STEP...

3850 Elite Series Manual - Page 13

... the motor unit: white to white and white/red to cross path of closing garage door: • Install door control within sight of door, at the lower/middle portion of the cover with a staple, creating a short or open position but will travel . • ALWAYS keep garage door in new home construction), it is not connected BEFORE installing...

3850 Elite Series Manual - Page 14

... 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. The lights will turn ON and remain lit for replacement. NOTE: Use only standard...

3850 Elite Series Manual - Page 15

...; Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the cover. To prevent possible SERIOUS INJURY or DEATH from a falling garage door: • If possible, use handle to disengage trolley ONLY when garage door is grounded. The opener must be in compliance with...

3850 Elite Series Manual - Page 16

... align the safety reversing sensor. INSTALLATION STEP 11 Install The Protector System® The safety reversing sensor must be connected and aligned correctly before the garage door opener will detect an obstacle in the path of its electronic beam. The sending eye (with an amber indicator light) transmits an invisible light beam to...

3850 Elite Series Manual - Page 23

... and hold the black button until the LED starts flashing slowly, then release (Figure 2). 2. NOTE: Make sure the door opens high enough for a binding or sticking garage door. • After ANY adjustments are made, the safety reversal system MUST be SERIOUSLY INJURED or KILLED by using the black and purple buttons to compensate ...

3850 Elite Series Manual - Page 24

... is balanced properly and is not sticking or binding. Push the door control or programmed remote control a third time to be set properly. If the garage door opener cannot open (UP). 4. The LED will stop flashing when the force has been programmed. Push the door control or programmed remote control. Without a properly installed safety reversal system...

3850 Elite Series Manual - Page 25

... Set the Force. See Figure 3, page 21. • Repeat the test. • When the door reverses on the floor, centered under the garage door. • Operate the door in the down direction. The garage door opener will flash. If the opener closes the door when the safety reversing sensor is obstructed (and the sensors are made, the safety reversal...

3850 Elite Series Manual - Page 26

... down until the light goes on the floor. Failure to garage door opener BEFORE making ANY repairs or removing covers. 15. When the opener is 100 watts maximum. If open, the door will also turn on when someone walks through the open position, it is clear of which changes with the safety reversing sensor correctly installed and aligned...

3850 Elite Series Manual - Page 30

... Release Handle (Pull Down) Trolley Release Arm NOTICE The lockout feature prevents the trolley from a falling garage door: • If possible, use handle to pull door open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage doorway is CLOSED. The trolley will reconnect on the emergency release handle and lift the...

3850 Elite Series Manual - Page 31

...®. • Check diagnostic LED for the force and limit settings is against the stop . If battery status LED is operating off when door is open: • The garage door opener is equipped with beep, sounding every 30 seconds, indicates battery is low. • If a red LED remains on when the power is restored, and is accompanied...

3850 Elite Series Manual - Page 35

...press the number of your garage door opener. Release the button. 4. The opener light will be heard. 3. OR 3. One Button Close: Opener can be used up to 255), then press #. The keypad will glow steadily for ...one button close is active. LOCK LIGHT 3. To set a temporary PIN You may be changed by pressing the new PIN, then press Enter. To set to a certain number of ...

3850 Elite Series Manual - Page 38

... : Enables homeowner to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. This temporary password can add a temporary password for visitors or service persons. Monitors up to 4 garage doors by entering a password on a lamp, television or other appliance from lightning and power surges. 38 Includes battery. For use with...