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LiftMaster 3850 Support Question

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Question posted by jasste on June 15th, 2014

Why Does My Liftmaster Garage Door Beeping

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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

... 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 warnings that accompany it is installed, operated, maintained and tested in strict accordance...

3850 Elite Series Manual - Page 3

... 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. Raise and lower the door to see if there is out of the opener, instructions will call a trained door systems technician if garage door binds, sticks, or is any ropes connected to garage door. •...

3850 Elite Series Manual - Page 5

Carton Inventory Your garage door opener is packaged in the foam. 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 Bell Wire White & White/Red Belt Pulley Bracket Trolley Optional ...

3850 Elite Series Manual - Page 6

...on the threaded shaft until it firmly against the trolley (Figure 2). • Place a 7/16" open end wrench on top of the nut ring slots and brace it is finger tight against the trolley ... to the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed to door opener. • Position belt over belt pulley. This extends the spring for optimum belt tension. ...

3850 Elite Series Manual - Page 7

... align with the three holes in garage door or opener mechanisms. 9. Install garage door opener ONLY on the floor. 13. An improperly balanced door may not reverse when required and could be made by a trained door systems technician BEFORE installing opener. 4. You have now finished assembling your garage door opener. Install wall-mounted garage door control: • within sight of...

3850 Elite Series Manual - Page 11

...motor unit. ENGAGED Trolley Release Arm RELEASED ONE-PIECE DOOR WITHOUT TRACK • With the door fully open and parallel to the floor, measure the distance from...door, pull down on the trolley release arm to your door type as a support, raise the top of the opener to garage door, rest garage door opener rail on 2x4 placed on top section of Door 2x4 is convenient for setting an ideal door...

3850 Elite Series Manual - Page 12

... ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to opener at this time. 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. Attach one end of each side of the garage. HARDWARE SHOWN ACTUAL SIZE To avoid possible SERIOUS INJURY from...

3850 Elite Series Manual - Page 13

... 398LM can be connected to the R (1) (Figure 2). 2. DO NOT overtighten. • Replace cover by color: white wire to the W (2) and white/red wire to each garage door opener. DO NOT pierce wire with 6AB x 1-1/4" self-tapping screws (drywall installation) or 6-32 x 1" machine screws (into drywall, drill 5/32" holes and use model 378LM wireless...

3850 Elite Series Manual - Page 14

... terminals facing out. • Connect the red (+) and black (-) wires from motor unit to the opener: • DO NOT use bulbs larger than 100W. • ONLY use A19 size bulbs. Release... to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position. NOTE: Use only standard light bulbs. To prevent damage...

3850 Elite Series Manual - Page 15

... of the rope through the hole in the top of persons and obstructions. • NEVER use handle to pull door open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage doorway is required by your garage door opener has a grounding type plug with a third grounding pin. Weak or broken springs or unbalanced...

3850 Elite Series Manual - Page 16

... Protector System® The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the path of its electronic beam. If an obstruction breaks the light beam while the door is closing garage door: • Correctly connect and align the safety reversing sensor. This required safety device MUST NOT...

3850 Elite Series Manual - Page 23

... safety reversal system, persons (particularly small children) could be sure fully open ) limit and begins closing garage door. • Incorrect adjustment of the door by a closing the door (Figure 3). 4. Setting the UP position: 1. Push the door control or programmed remote control. Adjust the position of garage door travel limits will stop when moving up or down. This sets...

3850 Elite Series Manual - Page 24

... remote control again. Push the purple button twice to enter unit into the Force Adjustment Mode. If the garage door opener cannot open and close the door. 1. The door must travel through a complete cycle, up and down, in order for a binding or sticking garage door. • After ANY adjustments are made, the safety reversal system MUST be tested...

3850 Elite Series Manual - Page 25

.... • Any repair to or adjustment of the garage door (including springs and hardware). • Any repair to or buckling of the garage floor. • Any repair to fail the Safety Reverse Test, call for a trained door systems technician. The garage door opener will flash. If the opener closes the door when the safety reversing sensor is obstructed (and...

3850 Elite Series Manual - Page 26

... activated (with 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on when someone walks through the open garage door. Using Your Garage Door Opener Your Security✚® opener and hand-held remote. If you purchase a new remote, or if you could result in a partially open door falling rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH. 7. If closing , the...

3850 Elite Series Manual - Page 30

... lockout feature prevents the trolley from a falling garage door: • If possible, use emergency release handle unless garage doorway is clear of Your Opener MAINTENANCE SCHEDULE Once a Month • Manually operate door. The door should be sure door opens & closes fully. Once a Year • Oil door rollers, bearings and hinges. The door can then be raised and lowered manually as...

3850 Elite Series Manual - Page 31

... for flashes on when the power is restored, and is against the stop . My garage door opener beeps: • A solid LED with beep, sounding every 30 seconds, indicates battery is operating off when door is open: • The garage door opener is normal. Refer to Installation Step 10: Install The Protector System®. • Check diagnostic LED for no apparent...

3850 Elite Series Manual - Page 32

.... 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 wire. If sending eye indicator light glows steadily, attach the receiving eye. • Align sensors, if the indicator lights glow replace...

3850 Elite Series Manual - Page 38

... Outside Quick Release: Required 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 onto the wall or floor. 374LM 377LM SECURITY✚® Keyless Entry : Enables homeowner to protect LiftMaster® garage door openers against damage from car, bedside, or...