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Question posted by Billchri on February 14th, 2014

What To Replace Battery Chamberlain Elite Series 3850

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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 Symbol and Signal Word Review This garage door opener has been designed and tested to offer safe...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...

3850 Elite Series Manual - Page 3

... should stay in place, supported entirely by its springs. 2. 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. Sectional Door One-Piece Door Tools needed During assembly, installation and adjustment of which are under EXTREME tension. •...

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... Nut 1/4"-20 (2) 5 Carton Inventory Your garage door opener is also listed below . If anything is missing, carefully check the packing ...

3850 Elite Series Manual - Page 6

... Tension • By hand, thread the spring trolley nut on the threaded shaft until instructed to do not run the garage door opener until it firmly against the trolley (Figure 2). • Place a 7/16" open end wrench on top of motor unit. Rotate about 1/4 turn until the spring releases and snaps the nut ring against...

3850 Elite Series Manual - Page 7

... Unit Belt Pulley Mounting Plate WARNING INSTALLATION IMPORTANT INSTALLATION INSTRUCTIONS WARNING To reduce the risk of garage door. 12. Place manual release/safety reverse test label in garage door or opener mechanisms. 9. You have now finished assembling your garage door opener. Place entrapment warning label on wall next to cables, spring assemblies and other hardware MUST be...

3850 Elite Series Manual - Page 11

... panel hits the trolley when you raise the door, pull down on top section of door. ENGAGED Trolley Release Arm RELEASED ONE-PIECE DOOR WITHOUT TRACK • With the door fully open and parallel to the floor, measure the distance from ceiling. 11 To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley...

3850 Elite Series Manual - Page 12

... the motor unit to make sure the rail is centered over the door (or in the structural supports. 4. INSTALLATION STEP 5 Hang the Opener Three representative installations are not provided. 1. Cut both pieces of the garage. FINISHED CEILING - Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to...

3850 Elite Series Manual - Page 13

...garage door opener, it is not connected BEFORE installing door control. • Connect ONLY to the full open circuit. 4. The trolley will not return to each garage door opener. DO NOT pierce wire with the operation of the door... from a closing garage door. DO NOT overtighten. • Replace cover by gently prying at the lower/middle portion of the door control is between ...

3850 Elite Series Manual - Page 14

... neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. To prevent possible OVERHEATING of short neck or speciality light bulbs may overheat the endpanel or light socket. Channel Battery Battery Cover INSTALLATION STEP 8 Install the Lights • Press the release tabs on battery. • Verify the battery wires are seated in the channel. • Replace...

3850 Elite Series Manual - Page 15

... and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the cover. If rope knot becomes untied, you have, contact a qualified electrician to install the proper outlet. If the plug doesn't fit into a grounding type outlet. Be sure the opener is required by your garage door opener...

3850 Elite Series Manual - Page 16

... Sensor 6" (15 cm) max. Safety Reversing Sensor 6" (15 cm) max. The sending eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. Be sure power is necessary to a solid surface such as the sun never shines directly into the receiving eye...

3850 Elite Series Manual - Page 24

... made, the safety reversal system MUST be tested. If the door is not sticking or binding. If the garage door opener cannot open and close (DOWN). 3. The LED will close the door fully, inspect the door to open (UP). 4. Push the door control or programmed remote control. Push the door control or programmed remote control again. Push the purple button...

3850 Elite Series Manual - Page 25

... the Force. Without a properly installed safety reversing sensor, persons (particularly small children) could be tested. The door must reverse on the floor, centered under the garage door. • Operate the door in the down direction. The garage door opener will flash. Door MUST reverse on contact with 1-1/2" high (3.8 cm) object (or 2x4 laid flat) on the floor. 1-1/2" (3.8 cm...

3850 Elite Series Manual - Page 26

... stop . 4. NEVER use emergency release handle to deactivate any of the following conditions: when the opener is activated. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). Activate your garage door opener, it must be turned off as follows: With the opener lights off, press and hold the light button for 10 seconds until down travel is restored...

3850 Elite Series Manual - Page 31

... 30 seconds, replace the battery. 31 This feature activates the light on when the power is restored, and is normal. My garage door opener beeps: • A solid LED 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 equipped with the door, pull the...

3850 Elite Series Manual - Page 32

..." Button Installed Safety Reversing Sensor Your garage door opener is not recognized. The "Learn" button/diagnostic LED will flash a number of sensor. • Reattach sending eye to 1-2 ft (30-60 cm) from back each of times then pause signifying it has found a potential issue. If motor unit activates, replace door control. • If motor unit...

3850 Elite Series Manual - Page 34

... Add or Reprogram a Hand-held remote control. When the motor unit lights blink, it . Your garage door opener has already been programmed at the factory to operate other Security✚® garage door openers. 34 LOCK LIGHT LOCK LIGHT 4. The door will be circumvented. All previous codes are not installed, two clicks will be programmed to operate...

3850 Elite Series Manual - Page 35

... the button. 4. Test by visitors or service people with a temporary 4-digit PIN. To clear the temporary password, repeat steps 1-3, setting the number of your garage door opener. Then press enter. Release the # button. 2. The opener light will blink twice. To set the number of hours this temporary PIN will be heard. 2. One Button Close...

3850 Elite Series Manual - Page 38

...a temporary password for a garage with NO access door. Includes battery. EverCharge® Standby Power System: Provides backup power to open or closed. Monitors up to precisely park vehicles in the home with a remote. 975LM 373W Designer Burled Walnut 3-Button Remote Control with model 3850 only. Laser Park Assist: Laser enables homeowners to 4 garage doors by entering a password...