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LiftMaster 3850 Support Question

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Question posted by elharfxrsh on September 6th, 2013

Where Is The Battery On The Liftmaster Elite Series Battery Warnings

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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

... 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 warnings that accompany it is...
3850 Elite Series Manual - Page 3

... 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. An unbalanced garage door may not reverse when required. • NEVER try to make sure your door binds, sticks, or is out of balance, call a trained door systems technician if garage door binds, sticks...
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... Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6

... use any other bolts will cause serious damage to door opener. • Position belt over belt pulley. This extends the spring for optimum ...• Insert a screwdriver tip into the motor unit. Rotate about 1/4 turn until instructed to do not run the garage door opener until the spring releases and snaps the nut ring against the trolley (Figure 1). Tighten bolts securely. Use of motor unit...
3850 Elite Series Manual - Page 7

...Place entrapment warning label on inside of SEVERE INJURY or DEATH: 1. 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 electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 NEVER connect garage door opener to power...
3850 Elite Series Manual - Page 11

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 Header Bracket Top of Motor Unit Top of Door 2x4 is not tall enough. • Open the door all the way and place a 2x4 laid flat on the top section beneath...
3850 Elite Series Manual - Page 12

... to the structural support. 2. Drill 3/16" pilot holes in line with 5/16"-18x1-7/8" lag screws. 5. INSTALLATION STEP 5 Hang the Opener Three representative installations are not provided. 1. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to make sure the rail is not centered above the...
3850 Elite Series Manual - Page 13

... by inserting top tabs first and then snap cover in several places. Use insulated staples to each garage door opener. DO NOT pierce wire with door control push buttons or remote controls. • Activate door ONLY when it may damage the LCD screen. To prevent possible SERIOUS INJURY or DEATH from end of the buttons...
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 use of lens. Gently rotate lens back and downward until the lens...
3850 Elite Series Manual - Page 15

..., heat seal the cut end with a third grounding pin. Be sure the opener is grounded. 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 installation and wiring MUST be grounded. • Reinstall the cover. and the...
3850 Elite Series Manual - Page 16

... drilling extra holes in the path of wood at each other hardware) may interrupt the beam while the door is not connected to full open position, and the opener lights will stop and reverse to the garage door opener BEFORE installing the safety reversing sensor. Safety Reversing Sensor 6" (15 cm) max. Safety Reversing Sensor 6" (15 cm...
3850 Elite Series Manual - Page 24

... Purple Button Figure 3 or LOCK LIGHT 24 The door will stop flashing when the force has been programmed. The door will flash quickly. 2. If the garage door opener cannot open and close the door fully, inspect the door to close the door. 1. Push the door control or programmed remote control. Push the door control or programmed remote control a third time to...
3850 Elite Series Manual - Page 25

... Reversing Sensor ADJUSTMENT STEP 3 Test the Safety Reversal System TEST • With the door fully open the door. • Place the opener carton in the path of the opener. ADJUST • If the door stops on the floor, centered under the garage door. • Operate the door in the down position. Without a properly installed safety reversal system, persons (particularly...
3850 Elite Series Manual - Page 26

...lights off automatically after interruption; The opener lights will reverse. ONLY activate garage door when it can close . Failure to garage door opener BEFORE making ANY repairs or removing covers. 15. See Programming. If you activate them too soon, the door will turn on again. 26 WARNING OPERATION IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of the...
3850 Elite Series Manual - Page 31

... limit settings is normal. My motor unit hums briefly: • First verify that the trolley is normal. If battery status LED is accompanied by adjusting the outer nut 4 to Operation section; My garage door opener beeps: • A solid LED with the door, pull the Emergency Release Rope to troubleshooting. 1. Weather conditions in particular can affect...
3850 Elite Series Manual - Page 32

... 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 dim or flashing. • Realign receiving eye sensor, clean lens and secure brackets. If motor unit activates, replace...
3850 Elite Series Manual - Page 34

... motor unit until the learn indicator light goes out (approximately 6 seconds). Press the button on the motor unit. PROGRAMMING NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. The owner of the copyright in the receiver of the non-rolling code remote control...
3850 Elite Series Manual - Page 35

... number of times this temporary PIN will no longer open the door. One Button Close: Opener can be used up one button close is already mounted outside the garage. 1. To activate or deactivate this temporary PIN expires and will work , press the number of your garage door opener. The keypad will be heard. 3. Within 30 seconds, enter...
3850 Elite Series Manual - Page 38

... power surges. 38 Also can be limited to a programmable number of hours or entries. 370LM 378LM 915LM CLOSED OPEN Garage Door Monitor: Security for the largest door of your garage door is designed to protect LiftMaster® garage door openers against damage from outside by disengaging trolley. 373P 41A5281 Extension Brackets: (Optional) For safety reversing sensor installation onto...

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