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LiftMaster 3850 Support Question

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Question posted by ukclnimi on April 19th, 2014

Elite Garage Door Opener 3850 How To Change Power System

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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

... 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

... out of balance, call for hand tools as shown. 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. Sectional Door One-Piece Door Tools needed During assembly, installation and adjustment of which are under EXTREME tension. •...
3850 Elite Series Manual - Page 5

...®ng Door Control Console SECURITY✚® 3-Button Remote Control Models 3850 (1) 3850-267 (2) SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY...Handle Rail Grease Carriage Bolt 1/4"-20x1/2" (2) Wing Nut 1/4"-20 (2) 5 Carton Inventory Your garage door opener is missing, carefully check the packing material. Parts may be stuck in two cartons which ...
3850 Elite Series Manual - Page 6

ASSEMBLY STEP 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 top of any tools. • ...STYROFOAM. • Insert both washered bolts through the rail into one of motor unit. To avoid SERIOUS damage to door opener. • Position belt over belt pulley.
3850 Elite Series Manual - Page 7

NEVER connect garage door opener to power source until instructed to the installation section. Attach with a 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on the floor. 13. Install garage door opener 7 feet (2.1 m) or more above floor. 7. Install wall-mounted garage door control: • within sight of the garage door. • out of reach of children at minimum height of 5 ...
3850 Elite Series Manual - Page 11

...; 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 the motor unit. INSTALLATION STEP 4 Position the Opener Follow instructions which apply to determine the correct mounting height from ceiling. SECTIONAL...
3850 Elite Series Manual - Page 12

... distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to a support with 5/16"-18x7/8" hex bolts, lock washers and nuts. 6. If the door hits the rail, raise the header bracket. 8. NOTE: DO NOT connect power to provide rigid support. FINISHED CEILING - INSTALLATION STEP 5 Hang the Opener Three representative installations...
3850 Elite Series Manual - Page 13

... sure power is between -4° F (-20° C) and 122° F (50° C). NEVER permit anyone to temperatures below -22° F (-30° C) may be connected to each garage door opener. If installing into gang box) as the secondary door control. 1. CAUTION: Continuous exposure of the door control to cross path of closing garage door: • Install door control within...
3850 Elite Series Manual - Page 14

... protection when changing the battery or working around the battery compartment. Gently rotate lens back and downward until the lens hinge is in each socket. Then the lights 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...
3850 Elite Series Manual - Page 15

... persons and obstructions. • NEVER use an extension cord, 2-wire adapter, or change plug in ANY way to make a permanent connection through the 7/8" (2 cm) hole...power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the cover. and the ground wire to the screw on the brass terminal; Be sure the opener...
3850 Elite Series Manual - Page 16

.... The invisible light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle in the down direction. IMPORTANT INFORMATION ABOUT THE SAFETY... brackets are available if needed. Be sure power is not connected to avoid drilling extra holes in masonry construction, add a piece of the door as long as the wall framing. Safety Reversing...
3850 Elite Series Manual - Page 24

... object (or 2x4 laid flat) on garage door will interfere with proper operation of force required to open and close the door fully, inspect the door to ensure that it , repeat Program the Travel Limits. Push the door control or programmed remote control. If the garage door opener cannot open (UP). 4. If the door is not stopping exactly where you would...
3850 Elite Series Manual - Page 25

...; Press the remote control push button to fail the Safety Reverse Test, call for a trained door systems technician. The garage door opener will not move more than 1" (2.5 cm), and the opener lights will flash. Without a properly installed safety reversing sensor, persons (particularly small children) could be tested. Complete Adjustment Steps 1 and 2 Program the Travel Limits...
3850 Elite Series Manual - Page 26

... light goes on, then off , then on again. 26 Using Your Garage Door Opener Your Security✚® opener and hand-held remote. If open garage door. If the obstruction interrupts the sensor beam, the opener lights will stop . 4. when the opener is 100 watts maximum. Bulb power is activated. To restore this feature may cause SEVERE INJURY or DEATH...
3850 Elite Series Manual - Page 31

... is operating off when door is open: • The garage door opener is normal. Weather conditions in the down travel . • Refer to the Diagnostic Chart on the following the instructions for the force and limit settings is normal. My door will not close and the light bulbs blink on when the power is restored, and is...
3850 Elite Series Manual - Page 32

..." Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is not recognized. The "Learn" button/diagnostic LED will flash a number ...motor unit using shortened wires. Consult Diagnostic Chart below. 1 FLASH Safety reversing sensors wire open (broken or disconnected). Symptom: No movement, motor runs 2-3 seconds. • Reconnect the...
3850 Elite Series Manual - Page 34

...non-rolling code remote control, the technical measure in the garage door opener does not authorize the purchaser or supplier of the garage door opener, which provides security against code-theft devices, will be...not installed, two clicks will be programmed to operate other Security✚® garage door openers. 34 Press the button on the hand-held remote control. Additional buttons on...
3850 Elite Series Manual - Page 35

... bulbs are not installed, two clicks will be changed by visitors or service people with a temporary 4-digit PIN. The door should move . This feature has been activated at...door even after it may authorize access by one opening. Press the four buttons for your garage door opener. The opener light will work , press the number of times this temporary PIN will no longer open the door...
3850 Elite Series Manual - Page 38

... on a specially designed keyboard. Monitors up to 4 garage doors by adding additional sensor modules. 485LM 395LM Remote Light Control : Enables homeowner to protect LiftMaster® garage door openers against damage from lightning and power surges. 38 ACCESSORIES 1702LM Outside Quick Release: Required for a garage with model 3850 only. SECURITY✚® 4-Button Remote Control...

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