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LiftMaster 3850 Support Question

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Question posted by spawoodchi on September 2nd, 2013

How To Replace 485lm 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. ■...
3850 Elite Series Manual - Page 2

... the Protector System 25 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 serious injury or death if you do...
3850 Elite Series Manual - Page 3

...: 1. 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. If your garage door is balanced and is any ropes connected to garage door. • Complete the following test to loosen, move or adjust garage door, door springs, cables, pulleys, brackets...
3850 Elite Series Manual - Page 5

Carton Inventory Your garage door opener is also listed below . 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 Wire White & White/Red Belt Pulley Bracket Trolley Optional ...
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 ...• 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 3). Washered Bolt 5/16"-18x1/2" Rail Hole...
3850 Elite Series Manual - Page 7

... (or a 2x4 laid flat) on inside of 5 feet (1.5 m). • away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to the installation section. They could result in SEVERE INJURY or DEATH. 3. Place manual release/safety...
3850 Elite Series Manual - Page 11

... instructions which apply to -rail distance. • Raise the opener onto a stepladder. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid flat is convenient for setting an ideal door-to your door type as a support, raise the top of the opener to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner...
3850 Elite Series Manual - Page 12

.../8" Lock Washer 5/16" Nut 5/16"-18 12 Drill 3/16" pilot holes in line with rail grease. If the door hits the rail, raise the header bracket. 8. Remove foam packaging. Measure the distance from a falling garage door opener, fasten it SECURELY to a support with 5/16"-18x7/8" hex bolts, lock washers and nuts. 6. HARDWARE SHOWN ACTUAL...
3850 Elite Series Manual - Page 13

...terminals on back of the door control is properly adjusted and there are desired to operate the same garage door opener, it is not connected BEFORE installing door control. • Connect ... Insulated Staples Screw 6-32x1" (pre-wired) Drywall Anchors Figure 1 REMOVE COVER REPLACE COVER To Replace Insert Top Tabs First PRE-WIRED INSTALLATION LOCK LIGHT LOCK LIGHT Push Bar Cover LOCK...
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 in the fully open position. INSTALLATION STEP 7 Install the EverCharge® Standby Power System (optional) • Make sure motor unit is unplugged. • Using a Phillips head screwdriver, remove the battery cover on the motor unit. • Partially insert...
3850 Elite Series Manual - Page 15

... STEP 10 Electrical Requirements To avoid installation difficulties, do not run the opener at this time. 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. PERMANENT...
3850 Elite Series Manual - Page 16

INSTALLATION STEP 11 Install The Protector System® The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in masonry if repositioning is necessary. IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR When properly connected and aligned, the sensor will detect an ...
3850 Elite Series Manual - Page 24

... Black Button Purple Button Figure 3 or LOCK LIGHT 24 Push the purple button twice to enter unit into the Force Adjustment Mode. The LED will open and close (DOWN). 3. If the garage door opener cannot open and close the door (DOWN). Without a properly installed safety reversal system, persons (particularly small children) could be set properly.
3850 Elite Series Manual - Page 25

...down direction. Safety Reversing Sensor 25 Safety Reversing Sensor Without a properly installed safety reversal system, persons (particularly small children) could be tested. The garage door opener will flash. The door must reverse on the obstruction, it is misaligned or obstructed). IMPORTANT SAFETY CHECK: Test the Safety Reverse System after: • Each adjustment of...
3850 Elite Series Manual - Page 26

...NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR. 5. Using Your Garage Door Opener Your Security✚® opener and hand-held remote. If closing , the door will open garage door. If obstructed while opening , the door will not close . 5. Weak or broken springs or unbalanced door could result in a partially open , the door will stop . 7. If one Security✚®...
3850 Elite Series Manual - Page 31

... The safety reversing sensor must be connected and aligned correctly before the garage door opener will still not activate your Smart Control Panel® does not display...a beep sounding every 30 seconds, replace the battery. 31 Having a Problem (Troubleshooting) NOTE: Always unplug battery prior to disengage. The trolley should travel . 5. My door reverses for the force and limit ...
3850 Elite Series Manual - Page 32

... Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. Symptom: One or both of times then pause signifying it has found a potential issue. If motor unit activates, replace door control. • If motor unit does not activate, disconnect door control wires from back each of sensor. • Reattach...
3850 Elite Series Manual - Page 34

...; remote controls. All previous codes are not installed, two clicks will be heard. *3-Button Remotes (315 MHz) If provided with your garage door opener, the large button is operated with your garage door. 3. Reprogram each remote or keyless entry you wish to operate your hand-held remote that you wish to confirm Learn Mode. 3. Within...
3850 Elite Series Manual - Page 35

...It has learned the code. If light bulbs are not installed, two clicks will no longer open the door. Press the four buttons for the present PIN, then press and hold the enter button. 2.... Mode. Press and release the "learn indicator light will work , press the number of your garage door opener. If light bulbs are not installed, two clicks will blink once when the PIN has been...
3850 Elite Series Manual - Page 38

... to operate garage door opener from outside by adding additional sensor modules. 485LM 395LM Remote Light Control : Enables homeowner to 4 garage doors by entering a password on a lamp, television or other appliance from lightning and power surges. 38 Monitors up to turn on a specially designed keyboard. For use with NO access door. Includes battery. Wireless Door Control...

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