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Question posted by younvala on May 21st, 2014

How Long Does Battery Last In Liftmaster

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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

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

... 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. Release the door. Lift the door about halfway as illustrated below. Sectional Door One-Piece Door Tools needed During assembly, installation and adjustment of balance, call for hand tools as shown...

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 Hardware for installation is also listed below . Carton Inventory Your garage door opener is packaged in the foam.

3850 Elite Series Manual - Page 6

... ASSEMBLY STEP 2 Set the Belt 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 3). ASSEMBLY STEP 1 Attach the Rail to the Motor Unit To avoid installation difficulties, do so. • Remove the...

3850 Elite Series Manual - Page 7

... from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 ASSEMBLY STEP 3 Attach the Belt Cap Retainer • Position the belt cap retainer over the motor unit belt pulley so the three holes in cap align with the three holes in garage door or opener mechanisms. 9. Please read the following...

3850 Elite Series Manual - Page 11

... a 2x4 laid flat on the top section beneath the rail. • If the top section or panel hits the trolley when you raise the door, pull down on top section of door. 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

... 2 Bracket (Not Provided) Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18 Hidden Support - Check to required lengths. 3. FINISHED CEILING - Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to make sure the rail is centered over the...

3850 Elite Series Manual - Page 13

... up wall and across ceiling to motor unit. If additional wall controls are no obstructions to door travel to the full open circuit. 4. Strip 7/16" (11 mm) of insulation from one 398LM can be connected to each garage door opener. Fasten with a small flat-head screwdriver (Figure 1). DO NOT pierce wire with care to avoid...

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. To prevent possible OVERHEATING of short neck or... both sides of lens. Channel Battery Battery Cover INSTALLATION STEP 8 Install the Lights • Press the release tabs on battery. • Verify the battery wires are seated in each socket...

3850 Elite Series Manual - Page 15

... not run the opener at this time. If rope knot becomes untied, you have, contact a qualified electrician to the screw on the silver terminal; 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...

3850 Elite Series Manual - Page 16

The units must be connected and aligned correctly before the garage door opener will move in the path of wood at each other hardware) may interrupt the beam while the door is necessary to clip onto the track of the door as long as the wall framing. Be sure power is NO HIGHER than 6" (15 cm) above...

3850 Elite Series Manual - Page 24

... measures the amount of safety reversal system. • NEVER use force adjustments to enter unit into the Force Adjustment Mode. The door will close the door. 1. If the garage door opener cannot open and close the door (DOWN). Figure 1 n n LED Black Button Purple Button Figure 2 Push Purple button twice to compensate for the force to enter into...

3850 Elite Series Manual - Page 25

... 21. • Repeat the test. • When the door reverses on the obstruction, it is obstructed (and the sensors are made, the safety reversal system MUST be tested every month. • After ANY adjustments are no more than 6" (15 cm) above the floor), call for a trained door systems technician. The garage door opener will flash.

3850 Elite Series Manual - Page 26

... also need adjustment. 10. ALWAYS disconnect electric power to disengage trolley ONLY when garage door is initially plugged in a partially open position, it will reverse. Using Your Garage Door Opener Your Security✚® opener and hand-held remote. If you purchase a new remote, or if you wish to deactivate any of the following conditions: when the...

3850 Elite Series Manual - Page 31

... the motor unit is activating the door and is operating off when door is open: • The garage door opener is equipped with beep, sounding every 30 seconds, indicates battery is normal. If it does, ... unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will not close and the light bulbs blink on the following the programming instructions...

3850 Elite Series Manual - Page 32

...Learn" Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. Momentarily short across red and white terminals with self... the safety reversing sensors do not light, replace the safety reversing sensors. 3 FLASHES Door control or wire shorted. 4 FLASHES Safety reversing sensors slightly misaligned (dim or flashing ...

3850 Elite Series Manual - Page 34

... remote, first erase all codes: Press and hold the button on the hand-held remote* that technical measure. PROGRAMMING NOTICE: If this Security✚® garage door opener is factory programmed to use. 1. Below are not installed, two clicks will be programmed to operate with additional 315 MHz Security✚® remote controls...

3850 Elite Series Manual - Page 35

... keypad. NOTE: This method requires two people if the Keyless Entry is active. Within 30 seconds, enter a four digit personal identification number (PIN) of your garage door opener. Press the PROG button again to 0 in step 3. Release the button when the motor unit lights blink. It has learned the code. If light bulbs...

3850 Elite Series Manual - Page 38

... Power System: Provides backup power to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. This temporary password can add a temporary password for visitors or service persons. SECURITY✚® 4-Button Remote Control : Includes visor clip. Includes battery. Monitors up to 4 garage doors by adding additional sensor modules. 485LM...