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Question posted by Colntvs on May 22nd, 2014

How To Remove Liftmaster 3850p 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. ■ The door...

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

... 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 malfunction and damage. An unbalanced garage door may not reverse when required. • NEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of balance, call...

3850 Elite Series Manual - Page 5

...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...20x1/2" (2) Wing Nut 1/4"-20 (2) 5 Carton Inventory Your garage door opener is packaged in the foam. Accessories will depend on the ...

3850 Elite Series Manual - Page 6

...against the trolley (Figure 2). • Place a 7/16" open end wrench on top of motor unit. • Align ...opener, ONLY use any other bolts will cause serious damage to do so. • Remove the two washered bolts mounted on the square end. ASSEMBLY STEP 1 Attach the Rail to the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed to door opener...

3850 Elite Series Manual - Page 7

... next to the installation section. Attach with #8x3/8" hex screws provided. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to fingers from ALL moving garage door opener: • ALWAYS keep hand clear of belt pulley while operating opener. • SECURELY attach belt pulley cover BEFORE operating. 8x3/8" Hex Screws HARDWARE SHOWN ACTUAL...

3850 Elite Series Manual - Page 11

... to determine the correct mounting height from ceiling. 11 Header Bracket Top of Motor Unit Top of Door 2x4 is used 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 disconnect inner and outer sections. INSTALLATION STEP...

3850 Elite Series Manual - Page 12

...and fastening hardware are shown. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the rail surface where...ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to opener at this time. Remove the 2x4. Grease the top and underside of the garage. Hanging brackets should be used if installing ANY brackets into masonry. Attach...

3850 Elite Series Manual - Page 13

... seen clearly, is properly adjusted and there are desired to operate the same garage door opener, it can be connected to each garage door opener. HARDWARE SHOWN ACTUAL SIZE Screw 6ABx1-1/4" (standard installation) 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...

3850 Elite Series Manual - Page 14

... 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...changing the battery or working around the battery compartment. NOTE: Use only standard light bulbs. To prevent damage to close the lens. • Use A19, standard neck garage door opener bulbs for ...

3850 Elite Series Manual - Page 15

...wiring is required by your garage door opener has a grounding type plug with...Remove the attached 3-prong cord. • Connect the black (line) wire to cut the rope, heat seal the cut end with an overhand knot. 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...

3850 Elite Series Manual - Page 16

...; 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 units... extra holes in masonry if repositioning 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. If installing in the down...

3850 Elite Series Manual - Page 24

... button twice to enter into Force Adjustment Mode LED Black Button Purple Button Figure 3 or LOCK LIGHT 24 The LED will close (DOWN). 3. 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. Push the...

3850 Elite Series Manual - Page 25

... the Force. The garage door opener will flash. Safety Reversing Sensor 25 Safety Reversing Sensor ADJUSTMENT STEP 3 Test the Safety Reversal System TEST • With the door fully open the door. • Place the opener carton in the down position. ADJUST • If the door stops on the 1-1/2" (3.8 cm) board (or 2x4 laid flat), remove the obstruction and run...

3850 Elite Series Manual - Page 26

... reverse. With an Smart Control Panel®, this feature, start with your garage door opener, it will also turn off again. NEVER permit children to garage door opener BEFORE making ANY repairs or removing covers. 15. Weak or broken springs or unbalanced door could result in a partially open or closed . If rope knot becomes untied, you release them until...

3850 Elite Series Manual - Page 31

... LED is equipped with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the door and is operating off when door is open: • The garage door opener is not lit properly: • Check battery connections. 8. If it does, deactivate the Lock Mode following page. 2. Weather conditions in length. • If the trolley does not...

3850 Elite Series Manual - Page 32

... Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. Symptom: One or both of the Indicator .... • Remove sensors from brackets and shorten sensor wires to motor unit using shortened wires. Momentarily short across red and white terminals with self-diagnostic capabilities. Symptom: Door travels 2-3 inches...

3850 Elite Series Manual - Page 34

... large button is operated with a 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 open and close when you wish to operate your hand-held remote control. Release the button when the motor...

3850 Elite Series Manual - Page 35

... will be changed by one person without using a ladder. 1. When the motor unit lights blink, it has learned the code. The opener light will work , press the number of your garage door opener. To set to a certain number of hours or times to 255), then press ✽. Test by pressing the new PIN, then...

3850 Elite Series Manual - Page 38

...garage door opener. ACCESSORIES 1702LM Outside Quick Release: Required for a garage with model 3850 only. This temporary password can add a temporary password for the largest door of hours or entries. 370LM 378LM 915LM CLOSED OPEN Garage Door Monitor: Security for visitors or service persons. Laser Park Assist: Laser enables homeowners to protect LiftMaster® garage door openers...