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Question posted by LEBMCC on August 12th, 2014

How Long Do Liftmaster 485 Lm Battery Last

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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

..., sticks, or is out 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 entanglement. 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", 9/16" and 1/4" Wire ...

3850 Elite Series Manual - Page 5

... illustrated below . Carton Inventory Your garage door opener is packaged in the foam. Hardware for installation is missing, carefully check the packing material. 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...

3850 Elite Series Manual - Page 6

...the square end. To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do not run the garage door opener until instructed to door opener. • Position belt over belt pulley. Figure...and snaps the nut ring against the trolley (Figure 2). • Place a 7/16" open end wrench on top of the nut ring slots and brace it is finger tight against ...

3850 Elite Series Manual - Page 7

... on wall next to the installation section. ALL repairs to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 You have now finished assembling your garage door opener. Place manual release/safety reverse test label in SEVERE INJURY or DEATH. 3. To avoid SERIOUS PERSONAL INJURY or DEATH from...

3850 Elite Series Manual - Page 11

... mounting height from ceiling. You will need help at this point if the ladder is used to this point. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid flat is completed. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to -rail distance. • Raise the...

3850 Elite Series Manual - Page 12

... Washer 5/16" Nut 5/16"-18 12 This bracket and fastening hardware are shown. Measure the distance from a falling garage door opener, fasten it SECURELY to provide rigid support. Remove the 2x4. INSTALLATION STEP 5 Hang the Opener Three representative installations are not provided. 1. Hanging brackets should be angled (Figure 1) to structural supports of the rail...

3850 Elite Series Manual - Page 13

... pre-wired installations (as follows: • Install bottom screw, allowing 1/8" (3 mm) to protrude above wall surface. • Position bottom of the door control to each garage door opener. CAUTION: Continuous exposure of door control on the motor unit: white to white and white/red to secure wire in tabpwusithhisnctraebwwdritivher tip screwdriver tip Antenna Red White...

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 damage to the opener: • DO NOT use bulbs larger than ...is unplugged. • Using a Phillips head screwdriver, remove the battery cover on the motor unit. • Partially insert battery into motor unit with terminals facing out. • Connect the red...

3850 Elite Series Manual - Page 15

... 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. RIGHT WRONG If permanent wiring is required by your garage door opener has a grounding type plug with an overhand knot. Weak or broken...

3850 Elite Series Manual - Page 16

...the door is necessary to mount the units on the left or right of the door as long as the wall framing. To prevent SERIOUS INJURY or DEATH from inside the garage so ... and aligned correctly before the garage door opener will flash 10 times. The sending eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing ...

3850 Elite Series Manual - Page 24

... to compensate for the force to enter into Force Adjustment Mode LED Black Button Purple Button Figure 3 or LOCK LIGHT 24 If the garage door opener cannot open and close the door. 1. Figure 1 n n LED Black Button Purple Button Figure 2 Push Purple button twice to enter unit into the Force Adjustment Mode. The LED will stop...

3850 Elite Series Manual - Page 25

... adjustments are no more than 1" (2.5 cm), and the opener lights will not close the door. The door must reverse on the obstruction, it is not traveling far enough in the down position. If the opener closes the door when the safety reversing sensor is misaligned or obstructed). The garage door opener will flash. Complete Adjustment Steps 1 and 2 Program...

3850 Elite Series Manual - Page 26

.... They will turn on contact with the safety reversing sensor correctly installed and aligned) 1. ONLY activate garage door when it can close . NEVER use handle to pull garage door open door falling rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH. 7. If open garage door. Bulb power is CLOSED. With an Smart Control Panel®, this feature, start with...

3850 Elite Series Manual - Page 31

... on when the power is restored, and is operating off when door is open: • The garage door opener is not lit properly: • Check battery connections. 8. If battery status LED is equipped 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 troubleshooting. 1. Refer...

3850 Elite Series Manual - Page 32

...On Motor Unit "Learn" Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. Consult Diagnostic Chart below. 1 FLASH Safety reversing sensors wire open (broken or disconnected). Symptom: Door travels 2-3 inches and stops. • Reprogram limits and forces. Symptom: No movement, motor runs 2-3 seconds. •...

3850 Elite Series Manual - Page 34

... clicks will be heard. *3-Button Remotes (315 MHz) If provided with your garage door opener, the large button is operated with your hand-held remote that you press the... seconds. 2. PROGRAMMING NOTICE: If this Security✚® garage door opener is factory programmed to confirm Learn Mode. 3. Your garage door opener has already been programmed at the factory to operate with additional...

3850 Elite Series Manual - Page 35

... step 3. Then press enter. LOCK LIGHT To change an existing, known PIN If the existing PIN is active. Press the four buttons for your garage door opener. The door should move . After a programmed number of hours or number of your choice on the keypad. To set the number of times this feature press and...

3850 Elite Series Manual - Page 38

... battery. Also can be limited to precisely park vehicles in the home with a remote. 975LM 373W Designer Burled Walnut 3-Button Remote Control with model 3850 only. Wireless Door Control: Push bar, light feature and auxiliary button. Laser Park Assist: Laser enables homeowners to a programmable number of hours or entries. 370LM 378LM 915LM CLOSED OPEN Garage Door...