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LiftMaster 3850 Support Question

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Question posted by masohail on May 9th, 2014

Back Up Battery Has 12volt For Model 3850 Still Door Does Not Open

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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

... assembly, installation and adjustment 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. Lift the door about halfway as illustrated below. If balanced, it should stay in place, supported entirely by its springs. 2. Release the...

3850 Elite Series Manual - Page 5

...®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 EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery) Belt RReemmootteeCCoonnttrrooll...

3850 Elite Series Manual - Page 7

... align with the three holes in SEVERE INJURY or DEATH. 3. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to the installation section. Upon completion of the door. 10. To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7

3850 Elite Series Manual - Page 11

... the top section beneath the rail. • If the top section or panel hits the trolley when you raise the door, pull down on the trolley release arm to garage door, rest garage door opener rail on 2x4 placed on top section of the motor unit. You will need help at this point if the ladder...

3850 Elite Series Manual - Page 13

...to operate the same garage door opener, it can be ...model 378LM wireless wall control as follows: • Install bottom screw, allowing 1/8" (3 mm) to protrude above wall surface. • Position bottom of door control on back of door control by color: white wire to the W (2) and white/red wire to secure. NEVER permit anyone to cross path of closing garage door: • Install door...

3850 Elite Series Manual - Page 14

.... Use ONLY incandescent. The lights will turn ON and remain lit for replacement. To prevent damage to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in the channel. • Replace battery cover.

3850 Elite Series Manual - Page 15

... 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. RIGHT WRONG If permanent wiring is required by your garage door opener has a grounding type plug with a third grounding pin. PERMANENT WIRING CONNECTION...

3850 Elite Series Manual - Page 22

... 3 hole overlap). • Make sure the garage door is being opened or closed . A slight backward slant will automatically connect. If not, review the trolley lockout feature on page 27. • When setting the up limit on the following page, the door should not have a "backward" slant when fully open position. NOTE: Adjusting the limits on...

3850 Elite Series Manual - Page 23

... or purple button. This sets the DOWN (close) limit and the door should open door provides adequate clearance. Adjust the position of safety reversal system. • NEVER use force adjustments to close ). NOTE: Make sure the door opens high enough for a binding or sticking garage door. • After ANY adjustments are made, the safety reversal system MUST...

3850 Elite Series Manual - Page 24

... ensure that it is balanced properly and is not stopping exactly where you would like it, repeat Program the Travel Limits. 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 Force Adjustment Mode...

3850 Elite Series Manual - Page 25

... Safety Reverse Test, call for a trained door systems technician. The garage door opener will flash. The door must reverse on the obstruction, it is misaligned or obstructed). See Figure 3, page 21. • Repeat the test. • When the door reverses on the floor, centered under the garage door. • Operate the door in either sensor is off (alerting you...

3850 Elite Series Manual - Page 27

... learning remote controls to the unit. Press the button of the door control. When using the opener lights as follows: Press and hold the light button then push ... (Automatic Light Feature): The opener light will Push show 'Learn Mode - To turn it detects a Language Degrees (F/C) LOCK person entering the garage. (PROG) Learn Feature The door control is activated. 27 Press...

3850 Elite Series Manual - Page 28

...✚® remote controls, a remote push button can be oversensitized. The 3V2450 lithium battery for 60 seconds on or off but the door should turn off the proximity lighting feature if the proximity lighting is subject to operate the opener lights without activation of remote control) Check if proximity lighting is disabled by...

3850 Elite Series Manual - Page 29

... 2 seconds, indicates the motor unit is activating the door and is operating off of the battery. • A solid LED with beep indicates the unit is operating on battery power and that the battery charge is low. • To test the battery is functioning properly, open and close the garage door. • Re-connect the motor unit power cord...

3850 Elite Series Manual - Page 31

... bulbs blink on my motor unit: 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 "Lock Mode." If battery status LED is against the stop . My remotes will not turn off of any binding problems. •...

3850 Elite Series Manual - Page 33

...when the 'LEARN' button has been pressed on the opener. Meaning: This message will toggle on battery power with low charge. This feature will appear when ...the Motion Sensing button is firmly secured to wall and does not move. • Check to the next language. Meaning: This message will disable the opener from door...

3850 Elite Series Manual - Page 34

... factory programmed to use. 1. The owner of the copyright in the receiver of the non-rolling code remote control to operate with your garage door. 3. Your garage door opener has already been programmed at the factory to circumvent that technical measure. To Erase All Codes From Motor Unit Memory To deactivate any Security✚&#...

3850 Elite Series Manual - Page 38

... visor clip. ACCESSORIES 1702LM Outside Quick Release: Required for a garage with model 3850 only. Also can be limited to a programmable number of hours or entries. 370LM 378LM 915LM CLOSED OPEN Garage Door Monitor: Security for the largest door of your garage door is designed to protect LiftMaster® garage door openers against damage from outside by adding additional sensor modules...