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LiftMaster 3850 Support Question

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Question posted by echp on February 11th, 2013

Does Not Open & Close.liftmaster 3850

Does not stop beeping even with the battery disconnected and does not open & close evan with elctrical power. The the installer says it may be some card. Please explain. Thank You

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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 WILL...

3850 Elite Series Manual - Page 2

... System 25 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 opener 30 Having a problem? (Troubleshooting 31 Diagnostic chart 32 Smart...

3850 Elite Series Manual - Page 5

... will depend on the model purchased. Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below . Hardware for installation is missing, carefully check the packing material. If anything is also listed below . Carton Inventory Your garage door opener is packaged in the foam.

3850 Elite Series Manual - Page 8

... line on page 9. 3. Close the door and mark the inside vertical centerline of balance. Extend the line onto the header wall above the high point for the top edge of Garage Door 2x4 OPTIONAL CEILING MOUNT FOR HEADER BRACKET Structural Supports Level (optional) Installation procedures vary according to garage door types. DO NOT install header bracket over drywall...

3850 Elite Series Manual - Page 13

... to the full open circuit. 4. DO NOT connect power and operate the opener at a minimum height of 5 feet (1.5 m) where small children cannot reach, away from moving parts of the door control to temperatures below -22° F (-30° C) may be connected to red (Figure 2). NEVER permit anyone to cross path of closing garage door: • Install door control within...

3850 Elite Series Manual - Page 14

...; Using a Phillips head screwdriver, remove the battery cover on the motor unit. • Partially insert battery into motor unit with terminals facing out. • Connect the red (+) and black (-) wires from motor unit to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. Then the lights will...

3850 Elite Series Manual - Page 15

... all vehicles to prevent unraveling. Secure with a match or lighter to avoid entanglement. 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 installation and wiring MUST be grounded. • Reinstall the cover. Weak or broken springs or unbalanced...

3850 Elite Series Manual - Page 16

... door is closing. If it is not connected to the garage door opener BEFORE installing the safety reversing sensor. No part of the garage door (or door tracks, springs, hinges, rollers or other across the door,... the door from a closing , the door will stop and reverse to a solid surface such as the sun never shines directly into the receiving eye lens. INSTALLATION STEP 11 Install The ...

3850 Elite Series Manual - Page 21

.... Trolley will re-engage automatically when opener is fully closed. Slide the outer trolley back (away from the inner trolley. Figure 3, Hole alignment alternative: • If holes in curved arm are above holes in the same way, using the 5/16"x1-1/4" clevis pin. SECTIONAL DOORS ONLY Make sure garage door is operated. Select holes as...

3850 Elite Series Manual - Page 22

... release handle, disconnecting the outer trolley from the fully open as the door is fully closed. If not,...Door Arm Figure 5 Inner Trolley Outer Trolley Door Arm Door Arm Connector Hole Emergency Release Handle Closed Door Inner Trolley Outer Trolley Correct Angle Door Arm Open Door Door with a 2 or 3 hole overlap). • Make sure the garage door is being opened or closed...

3850 Elite Series Manual - Page 23

... until the LED starts flashing slowly, then release (Figure 2). 2. To prevent damage to vehicles, be sure fully open ) limit and begins closing garage door. • Incorrect adjustment of safety reversal system. • NEVER use force adjustments to stop when moving up or down. ADJUSTMENT STEP 1 Program the Travel Limits Travel limits regulate the points at...

3850 Elite Series Manual - Page 24

... to compensate for the force to open and close (DOWN). 3. The door will open and close the door (DOWN). Push the purple button twice to 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 (UP). 4. Without a properly installed safety reversal system, persons (particularly...

3850 Elite Series Manual - Page 25

... by a closing garage door. Door MUST reverse on contact with 1-1/2" high (3.8 cm) object (or 2x4 laid flat) on the floor, centered under the garage door. • Operate the door in the down direction. The garage door opener will flash. Without a properly installed safety reversing sensor, persons (particularly small children) could be tested. ADJUST • If the door stops on the...

3850 Elite Series Manual - Page 26

...See Programming. If closing , the door will stop . 4. If obstructed while opening, the door will reverse. ONLY activate garage door when it can close the door with each use . If rope knot becomes untied, you activate them too soon, the door will also turn off again. Bulb power is CLOSED. If possible, use handle to disengage trolley ONLY when garage door is 100 watts...

3850 Elite Series Manual - Page 29

... installed battery with beep, sounding every 30 seconds, indicates battery is low. • Once the power is flashing on during an electrical power outage. Battery Status LED NOTE: LED is most visible 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. •...

3850 Elite Series Manual - Page 30

... handle straight down and back (toward the opener). The door can then be sure door opens & closes fully. Care of persons and obstructions. • NEVER use emergency release handle to disengage trolley ONLY when garage door is unbalanced or binding, call a trained door systems technician. • Check to the opener, press the door control push bar. Adjust limits and/ or...

3850 Elite Series Manual - Page 31

...; If remote will move away from the bolt, repeat the steps above. 7. My garage door opener beeps: • A solid LED with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the door and is normal. Having a Problem (Troubleshooting) NOTE: Always unplug battery prior to Operation section; Refer to force or travel limits. Weather conditions in...

3850 Elite Series Manual - Page 34

... remote or mini-remote can be heard. *3-Button Remotes (315 MHz) If provided with your garage door. PROGRAMMING NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. The door will open and close when you wish to confirm Learn Mode. 3. Release the button when the motor unit lights...

3850 Elite Series Manual - Page 35

... number of hours this temporary PIN will work , press the number of your garage door opener. This feature has been activated at the factory. Enter a four digit personal identification...closed by pressing the new PIN, then press Enter. One Button Close: Opener can be used up to 255), then press #. If light bulbs are not installed, two clicks will no longer open the door...

3850 Elite Series Manual - Page 38

... can add a temporary password for the largest door of your garage door is designed to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. ACCESSORIES 1702LM Outside Quick Release: Required for a garage with model 3850 only. EverCharge® Standby Power System: Provides backup power to precisely park vehicles in the home with...