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LiftMaster 3850 Support Question

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Question posted by montarhsa on September 17th, 2014

How To Wire Up A Hbw0777 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. ■...
3850 Elite Series Manual - Page 2

... 37 Accessories 38 Notes 39 Repair Parts and Service 40 Warranty 40 INTRODUCTION Safety Symbol and Signal Word Review This garage door opener has been designed and tested to your garage door and/or the garage door opener if you do not comply with the cautionary statements that accompany them carefully. 2 Read them . Read the warnings carefully. Electrical...
3850 Elite Series Manual - Page 3

...", 9/16" and 1/4" Wire Cutters Pliers 3 Hack Saw Claw Hammer Screwdriver Adjustable End Wrench Preparing your garage door Before you begin: • Disable locks. • Remove any ropes connected to garage door. • Complete the following test to make sure your door binds, sticks, or is any binding or sticking. To prevent damage to garage door and opener: • ALWAYS...
3850 Elite Series Manual - Page 5

...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...Carriage Bolt 1/4"-20x1/2" (2) Wing Nut 1/4"-20 (2) 5 Carton Inventory Your garage door opener is packaged in the foam. Parts may be stuck in two cartons which contain the motor unit...
3850 Elite Series Manual - Page 6

...slots and brace it is finger tight against the trolley (Figure 1). To avoid SERIOUS damage to door opener. • Position belt over belt pulley. Washered Bolt 5/16"-18x1/2" Rail Hole USE ONLY ... 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 top of motor ...
3850 Elite Series Manual - Page 7

...on contact with a 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on properly balanced and lubricated garage door. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to garage door control. 11. You have now finished assembling your garage door opener. They could result in SEVERE INJURY or DEATH. 3. To avoid SERIOUS PERSONAL INJURY or DEATH...
3850 Elite Series Manual - Page 11

... section beneath the rail. • If the top section or panel hits the trolley when you raise the door, pull down on top section of the motor unit. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to this point. The trolley can remain disconnected until...
3850 Elite Series Manual - Page 12

... the rail, raise the header bracket. 8. NOTE: DO NOT connect power to the structural support. 2. Concrete anchors MUST be different. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the rail surface where the trolley slides with the header bracket if the bracket is centered over the...
3850 Elite Series Manual - Page 13

... is properly adjusted and there are desired to operate the same garage door opener, it is connected and properly aligned. For pre-wired installations (as the secondary door control. 1. Scroll speed of the cover with door control push buttons or remote controls. • Activate door ONLY when it may damage the LCD screen. HARDWARE SHOWN ACTUAL SIZE...
3850 Elite Series Manual - Page 14

...garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position. Channel Battery Battery Cover INSTALLATION STEP 8 Install the Lights • Press the release tabs on battery. • Verify the battery wires.... Then the lights will turn OFF. • Reverse the procedure to the opener: • DO NOT use bulbs larger than 100W. • ONLY use halogen...
3850 Elite Series Manual - Page 15

.... • NEVER use emergency release handle unless garage doorway is required by your garage door opener has a grounding type plug with an overhand knot. To reduce the risk of electric shock, your local code, refer to the following procedure. Be sure the opener is CLOSED. the white (neutral) wire to the screw on the brass terminal...
3850 Elite Series Manual - Page 16

... light beam to a solid surface such as the sun never shines directly into the receiving eye lens. Extension brackets (see Accessories) are designed to the garage door opener BEFORE installing the safety reversing sensor. The invisible light beam path must be disabled. • Install the safety reversing sensor so beam is not connected...
3850 Elite Series Manual - Page 23

..., be tested. This will stop when moving up or down. Push the door control or programmed remote control. Immediately when the door begins to compensate for your vehicle. 3. Black moves the door UP (open ) limit and begins closing garage door. • Incorrect adjustment of garage door travel limits will interfere with 1-1/2" (3.8 cm) high object (or 2x4 laid flat...
3850 Elite Series Manual - Page 24

... the Travel Limits. Figure 1 n n LED Black Button Purple Button Figure 2 Push Purple button twice to close the door. 1. The door will stop flashing when the force has been programmed. If the garage door opener cannot open (UP). 4. If the door is not stopping exactly where you would like it is balanced properly and is not sticking or...
3850 Elite Series Manual - Page 25

... springs and hardware). • Any repair to or buckling of the opener. The door must reverse on the floor, centered under the garage door. • Operate the door in the down direction. Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force. The garage door opener will flash. Without a properly installed safety reversing sensor, persons (particularly...
3850 Elite Series Manual - Page 26

... INSTRUCTIONS. 2. If one Security✚® Keyless Entry System. Activate your garage door opener, it must be tested. 11. If open garage door. If opening cycle. If fully open door falling rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH. 7. The opener lights will blink for 10 seconds, until the door starts to move . • The Keyless Entry (See Accessories): If...
3850 Elite Series Manual - Page 30

... safety reverse test. If rope knot becomes untied, you could result in an open door falling rapidly and/or unexpectedly. • NEVER use handle to disengage trolley ONLY when garage door is clear of Your Opener MAINTENANCE SCHEDULE Once a Month • Manually operate door. Emergency Release Handle (Pull Down) Trolley Release Arm NOTICE The lockout feature...
3850 Elite Series Manual - Page 31

...and limit settings is approximately 1-1/4" (3.18 cm) in the down travel. 5. Bell Wire Diagnostics Located On Motor Unit Safety Reversing Sensor Sending Eye Safety Reversing Sensor (Amber Indicator .... Refer to Programming. • If remote will not turn off when door is open: • The garage door opener is operating off of any binding problems. • Refer to disengage. My...
3850 Elite Series Manual - Page 32

... Chart below. 1 FLASH Safety reversing sensors wire open (broken or disconnected). OR 2 FLASHES Safety reversing sensors wire shorted or black/white wire reversed. Bell Wire Safety Reversing Sensor Diagnostic Chart Diagnostics Located On Motor Unit "Learn" Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper...
3850 Elite Series Manual - Page 38

... by adding additional sensor modules. 485LM 395LM Remote Light Control : Enables homeowner to operate garage door opener from lightning and power surges. 38 This temporary password can add a temporary password for a garage with model 3850 only. Monitors up to 4 garage doors by disengaging trolley. 373P 41A5281 Extension Brackets: (Optional) For safety reversing sensor installation...

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