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Question posted by sdaok on April 12th, 2014

How To Replace 485 Lm Battery

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Answer #1: Posted by waelsaidani1 on April 12th, 2014 6:40 PM

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Hello watch video guide here: https://www.youtube.com/watch?v=HyGF0JF6DBY

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. ■...

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 damage to your opener 30 Having a problem? (Troubleshooting 31 Diagnostic chart 32...

3850 Elite Series Manual - Page 3

... 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. 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. If balanced, it should...

3850 Elite Series Manual - Page 5

... all parts illustrated below . Carton Inventory Your garage door opener is packaged in the foam. If anything is also listed below . LOCK LIGHT SLmCaDrtMCootniotrnolDPeatencetli®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...

3850 Elite Series Manual - Page 6

... brace it is finger tight against the trolley (Figure 2). • Place a 7/16" open end wrench on the square end. Washered Bolt 5/16"-18x1/2" Rail Hole USE ONLY THIS TYPE...the motor unit. To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do not run the garage door opener until instructed to door opener. • Position belt over belt pulley....

3850 Elite Series Manual - Page 7

... object (or a 2x4 laid flat) on inside of the door. 10. NEVER connect garage door opener to power source until instructed to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 Place manual release/safety reverse test label in garage door or opener mechanisms. 9. Upon completion of SEVERE INJURY or DEATH: 1. You...

3850 Elite Series Manual - Page 11

... the floor to the floor, measure the distance 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. Header Bracket Top of Motor Unit Top of door. Slide the outer trolley toward the motor unit. Do not position the...

3850 Elite Series Manual - Page 12

... MUST be different. Hanging brackets should be angled (Figure 1) to the structural support. 2. This bracket and fastening hardware are shown. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to provide rigid support.

3850 Elite Series Manual - Page 13

... wire. NEVER permit anyone to operate the same garage door opener, it can be mounted to the R (1) (Figure 2). 2. Fasten with door control push buttons or remote controls. • Activate door ONLY when it is slower at lower temperatures although the door control remains fully functional. DO NOT overtighten. • Replace cover by color: white wire to the...

3850 Elite Series Manual - Page 14

... channel. • Replace battery cover. Do not remove the lens. • Install a 100 watt maximum light bulb in the fully open position. Light bulb size should be A19, standard neck only. Then the lights will turn OFF. • Reverse the procedure to close the lens. • Use A19, standard neck garage door opener bulbs for approximately...

3850 Elite Series Manual - Page 15

...opener at least 1" (2.5 cm) from the end of the rope to the screw on the brass 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...RIGHT WRONG If permanent wiring is required by your garage door opener has a grounding type plug with a third ...

3850 Elite Series Manual - Page 16

... eye (with a green indicator light). The mounting brackets are available if needed. The invisible light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle in the down direction. INSTALLATION STEP 11 Install The Protector System® The safety reversing sensor must be unobstructed. Safety Reversing...

3850 Elite Series Manual - Page 24

... on floor. If the door is not sticking or binding. The door will flash quickly. 2. If the garage door opener cannot open and close (DOWN). 3. Figure 1 n n LED Black Button Purple Button Figure 2 Push Purple button twice to enter into Force Adjustment Mode LED Black Button Purple Button ...

3850 Elite Series Manual - Page 25

... the door fully open the door. • Place the opener carton in the path of the door. • Press the remote control push button to close from a remote if the indicator light in either sensor is off (alerting you to the fact that the sensor is not traveling far enough in the down position. The garage door opener...

3850 Elite Series Manual - Page 26

... result in the Programming section. Using Your Garage Door Opener Your Security✚® opener and hand-held remote. ALWAYS keep garage door in a partially open , the door will not close when the beam is misaligned, the door won't close . 5. If you could result in the opening , the door will stop . 7. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). If closing , the...

3850 Elite Series Manual - Page 31

... every 30 seconds, replace the battery. 31 This feature activates the light on when the power is restored, and is against the stop . My door will not close and the light 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...

3850 Elite Series Manual - Page 32

... Installed Safety Reversing Sensor Your garage door opener is dim or flashing. • Realign receiving eye sensor, clean lens and secure brackets. The "Learn" button/diagnostic LED will flash a number of sensor. • Reattach sending eye to be replaced. 32 Symptom: The door doesn't activate from the door control. • Inspect door control/wires for a short (staple...

3850 Elite Series Manual - Page 34

... light bulbs are now erased. PROGRAMMING NOTICE: If this Security✚® garage door opener is factory programmed to operate 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 be programmed to operate your...

3850 Elite Series Manual - Page 35

... a four digit personal identification number (PIN) of accesses, this temporary PIN will no longer open the door. The opener light will blink once when the PIN has been learned. After a programmed number of hours or number of your garage door opener. To set the number of times this temporary PIN expires and will work , press the...

3850 Elite Series Manual - Page 38

... 3-Button Remote Control with model 3850 only. SECURITY✚® 4-Button Remote Control : Includes visor clip. For use with SECURITY✚® : Includes visor clip. 990LM SECURITY✚® 3-Button Remote Control : Includes visor clip. EverCharge® Standby Power System: Provides backup power to protect LiftMaster® garage door openers against damage from car...