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LiftMaster 3850 Support Question

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Question posted by AGuta on October 3rd, 2013

How To Change A Battery Backup On Liftmaster Professional Garage Door

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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

... 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 do not comply with the...

3850 Elite Series Manual - Page 3

... 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 make sure your garage door is balanced and is out of balance. Preparing your garage door Before you begin: • Disable locks. • Remove any binding or sticking. If balanced, it should...

3850 Elite Series Manual - Page 5

... check the packing material. Carton Inventory Your garage door opener is packaged in the foam. Accessories will depend on the model purchased. 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...

3850 Elite Series Manual - Page 6

...end. ASSEMBLY 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 the threaded shaft until the spring...finger tight against the trolley (Figure 1). Tighten bolts securely. To avoid SERIOUS damage to door opener. • Position belt over belt pulley.

3850 Elite Series Manual - Page 7

... above floor. 7. They could result in garage door or opener mechanisms. 9. Install garage door opener ONLY on the floor. 13. Install wall-mounted garage door control: • within sight of the garage door. • out of reach of children at minimum height of 5 feet (1.5 m). • away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or...

3850 Elite Series Manual - Page 11

... toward the motor unit. 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. Rail Door 2x4 is used to determine the correct mounting height from the floor to the top of the door. • Using a stepladder as illustrated. ENGAGED Trolley Release...

3850 Elite Series Manual - Page 12

... Provided) Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18 12 Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to a support with rail grease. Fasten the opener to provide rigid support. Remove the 2x4. NOTE: DO NOT connect power to structural supports before installing...

3850 Elite Series Manual - Page 13

... places. To prevent possible SERIOUS INJURY or DEATH from a closing garage door. DO NOT overtighten. • Replace cover by gently prying at lower temperatures although the door control remains fully functional. If additional wall controls are no obstructions to door travel to operate the same garage door opener, it is between -4° F (-20° C) and 122°...

3850 Elite Series Manual - Page 14

... close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in each socket. Light bulb size should be A19, standard neck only. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. Channel Battery Battery Cover INSTALLATION STEP 8 Install the Lights • Press...

3850 Elite Series Manual - Page 15

...required by your garage door opener has a grounding type plug with ALL local electrical and building codes. • NEVER use an extension cord, 2-wire adapter, or change plug in ANY... 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...

3850 Elite Series Manual - Page 16

... power is NO HIGHER than 6" (15 cm) above floor Invisible Light Beam Protection Area Facing the door from a closing , the door will stop and reverse to the garage door opener BEFORE installing the safety reversing sensor. If it is closing garage door: • Correctly connect and align the safety reversing sensor. The sending eye (with an amber...

3850 Elite Series Manual - Page 25

... made, the safety reversal system MUST be tested. Safety Reversing Sensor 25 Safety Reversing Sensor The garage door opener will not close the door. ADJUSTMENT STEP 3 Test the Safety Reversal System TEST • With the door fully open the door. • Place the opener carton in either sensor is not traveling far enough in the down position. The...

3850 Elite Series Manual - Page 26

... children. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS. 2. ONLY activate garage door when it is activated. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPEN DOOR. 6. Weak or broken springs or unbalanced door could fall. 9. NEVER use emergency release handle unless garage doorway is clear of which changes with 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on the...

3850 Elite Series Manual - Page 29

... LED NOTE: LED is most visible with worklight off of the battery. • A flashing 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 back into the...

3850 Elite Series Manual - Page 30

..., either manually or by using the door control or remote. To reconnect the door to disengage trolley ONLY when garage door is clear of Your Opener MAINTENANCE SCHEDULE Once a Month • Manually operate door. The trolley will reconnect on the emergency release handle and lift the door manually. To Open the Door Manually To prevent possible SERIOUS INJURY or...

3850 Elite Series Manual - Page 31

...; Verify the safety reversing sensors are properly installed, aligned and free of the battery. • A flashing 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 normal. My lights will not turn off of any binding problems. •...

3850 Elite Series Manual - Page 35

...active. It can be changed by pressing the four buttons for 30 seconds. Test by one person without using a ladder. 1. One Button Close: Opener can be programmed to 255... Then press and hold the # button. Press the four buttons for your garage door opener. USING THE "LEARN" BUTTON USING THE DOOR CONTROL LOCK LIGHT 1. Then press enter. Release the # button. 2. Release ...

3850 Elite Series Manual - Page 38

... Remote Light Control : Enables homeowner to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Tells you if your home! Wireless Door Control: Push bar, light feature and auxiliary button. Includes battery. ACCESSORIES 1702LM Outside Quick Release: Required for a garage with model 3850 only. This temporary password can add...

3850 Elite Series Manual - Page 40

... PRODUCT), LABOR CHARGES FOR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT OF BATTERIES IN REMOTE CONTROL TRANSMITTERS AND LIGHT BULBS OR UNITS INSTALLED FOR NON-RESIDENTIAL USE...THE GARAGE DOOR OR GARAGE DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT OR HINGES. SIMPLY DIAL OUR TOLL FREE NUMBER: 1-800-528-9131 www.liftmaster.com For professional ...