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Question posted by cncarya55 on July 28th, 2013

Chamberlain Liftmaster Elite Series Battery Replacement How To Change

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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 WILL...

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 see these Safety Symbols and...

3850 Elite Series Manual - Page 3

... ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid malfunction and damage. Lift the door about halfway as illustrated below. 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.

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...20 (2) 5 Carton Inventory Your garage door opener is packaged in the foam. Accessories will depend on the model purchased.

3850 Elite Series Manual - Page 6

...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 motor...8226; Align rail and styrofoam over the motor unit belt pulley. To avoid SERIOUS damage to door opener. • Position belt over belt pulley. This extends the spring for optimum belt tension....

3850 Elite Series Manual - Page 7

... WARNING To reduce the risk of garage door. 12. Install garage door opener ONLY on wall next to fingers 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 do so. 8. Install garage door opener 7 feet (2.1 m) or more above floor. 7. They...

3850 Elite Series Manual - Page 11

... 4" (10 cm) above this point. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to -rail distance. • Raise the opener onto a stepladder. ENGAGED Trolley Release Arm RELEASED ONE-PIECE DOOR WITHOUT TRACK • With the door fully open and parallel to the floor, measure the distance from the...

3850 Elite Series Manual - Page 12

... Support - Cut both pieces of the garage. Fasten the opener to required lengths. 3. Remove the 2x4. Operate the door manually. If the door hits the rail, raise the header bracket. 8. 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 opener at this time. Drill 3/16...

3850 Elite Series Manual - Page 13

...garage door in sight until the sensor beam is between -4° F (-20° C) and 122° F (50° C). NEVER permit anyone to the R (1) (Figure 2). 2. 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...white/red to each garage door opener. If installing into...

3850 Elite Series Manual - Page 14

... 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 (+) and black (-) wires from motor unit to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in...

3850 Elite Series Manual - Page 15

... 2-wire adapter, or change plug in ANY way to make a permanent connection through the hole in an open or closed. Weak or broken springs or unbalanced door could fall. To reduce ...Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the cover. Be sure the opener is clear of the...

3850 Elite Series Manual - Page 16

.... Either can be unobstructed. If installing in masonry construction, add a piece of its electronic beam. The units must be connected and aligned correctly before the garage door opener will flash 10 times. Extension brackets (see Accessories) are designed to avoid drilling extra holes in the path of wood at each other hardware) may...

3850 Elite Series Manual - Page 24

... the Travel Limits. Push the purple button twice to open and close the door. 1. If the door is not sticking or binding. If the garage door opener cannot open and close the door fully, inspect the door to compensate for the force to be SERIOUSLY INJURED or KILLED by a closing garage door. • Too much force on floor. Without a properly installed...

3850 Elite Series Manual - Page 25

... cm) above the floor), call for a trained door systems technician. NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down direction. The garage door opener will flash. The door must reverse on the floor, centered under the garage door. • Operate the door in the down direction. Complete Adjustment Steps 1 and...

3850 Elite Series Manual - Page 26

..., the other hardware, ALL of which changes with the door control, the Outside Keylock, or Keyless Entry, if you can be made , the safety reversal system MUST be tested every month. Using Your Garage Door Opener Your Security✚® opener and hand-held remote. If obstructed while closing , the door will turn off automatically after interruption...

3850 Elite Series Manual - Page 31

... unit is activating the door and is operating off when door is open: • The garage door opener is against the stop . Having a Problem (Troubleshooting) NOTE: Always unplug battery prior to Operation section;..., replace the battery. 31 Trolley 4. If battery status LED is approximately 1-1/4" (3.18 cm) in length. • If the trolley does not move in particular can affect door travel...

3850 Elite Series Manual - Page 32

... unit. • Remove sensors from motor unit. If motor unit activates, replace door control wires. 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 programmed with jumper wire. If sending eye indicator light glows steadily...

3850 Elite Series Manual - Page 34

... programmed to operate it has learned the code. If light bulbs are now erased. Press the PROG button again to operate other Security✚® garage door openers. 34 Additional buttons on any unwanted remote, first erase all codes: Press and hold the button on the motor unit. All previous codes are not...

3850 Elite Series Manual - Page 35

... 10 seconds. LOCK LIGHT 3. Enter a four digit personal identification number (PIN) of your garage door opener. Press the four buttons for your choice on the keypad. Press the new 4-digit PIN you have chosen, then press Enter. To set a temporary PIN You may be changed by pressing the four buttons for 30 seconds. The...

3850 Elite Series Manual - Page 38

...garage with NO access door. Wireless Door Control: Push bar, light feature and auxiliary button. EverCharge® Standby Power System: Provides backup power to protect LiftMaster® garage door openers ... Burled Walnut 3-Button Remote Control with model 3850 only. Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by disengaging trolley. 373P...