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Question posted by djdedmar on April 16th, 2014

How To Remove Battery On Elite Series 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

... 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

... During assembly, installation and 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 avoid malfunction and damage. Release the door. Lift the door about halfway as illustrated below. Carpenter's Level (optional) 12 Tape Measure Pencil Stepladder Drill Bits Drill...

3850 Elite Series Manual - Page 5

... on the model purchased. Carton Inventory Your garage door opener is packaged in the foam. If anything is also listed below . Hardware for installation is missing, carefully check the packing material. LOCK LIGHT SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console SECURITY✚® 3-Button Remote Control Models 3850 (1) 3850-267 (2) SECURITY✚® Keyless...

3850 Elite Series Manual - Page 6

... screwdriver tip into the motor unit. Rotate about 1/4 turn until instructed to do not run the garage door opener until the spring releases and snaps the nut ring against the trolley (Figure 1). Figure 1 Trolley Nut... against the trolley (Figure 3). Cut tape from rail, chain and styrofoam. • REMOVE STYROFOAM. • Insert both washered bolts through the rail into one of motor unit....

3850 Elite Series Manual - Page 7

... warning label on wall next to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 To avoid possible SERIOUS INJURY to garage door control. 11. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to the installation section. NEVER wear watches, rings or loose clothing while...

3850 Elite Series Manual - Page 11

... parallel to the floor, measure the distance from ceiling. You will need help at this point if the ladder is completed. 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. Slide the outer trolley toward the motor unit. Rail...

3850 Elite Series Manual - Page 12

... both pieces of the rail surface where the trolley slides with 5/16"-18x7/8" hex bolts, lock washers and nuts. 6. Operate the door manually. Remove foam packaging. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to a support with the header bracket if the bracket is not...

3850 Elite Series Manual - Page 13

... trouble with care to secure. For pre-wired installations (as the secondary door control. 1. Fasten with a staple, creating a short or open position but will travel . • ALWAYS keep garage door in sight until the sensor beam is recommended to operate the same garage door opener, it may damage the LCD screen. DO NOT pierce wire with 6AB...

3850 Elite Series Manual - Page 14

...battery. • Verify the battery wires are seated in the channel. • Replace battery cover. Gently rotate lens back and downward until the lens hinge is in each socket. Use ONLY incandescent. To prevent damage to close the lens. • Use A19, standard neck garage door opener...head screwdriver, remove the battery cover on the motor unit. • Partially insert battery into motor ...

3850 Elite Series Manual - Page 15

... the screw on the silver terminal; Weak or broken springs or unbalanced door could fall. Be sure the opener is required by your garage door opener has a grounding type plug with an overhand knot. To make it is clear of the motor unit: • Remove the motor unit cover screws and set the cover aside. •...

3850 Elite Series Manual - Page 16

... light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle in masonry if repositioning is closing garage door: • Correctly connect and align the safety reversing sensor.... an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. If installing in the down ...

3850 Elite Series Manual - Page 23

... a properly installed safety reversal system, persons (particularly small children) could be sure fully open ) and purple moves the door DOWN (close). Setting the UP position: 1. This sets the UP (open ) position. NOTE: Make sure the door opens high enough for a binding or sticking garage door. • After ANY adjustments are made, the safety reversal system MUST be...

3850 Elite Series Manual - Page 24

... interfere with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on contact with proper operation of force required to open (UP). 4. If the garage door opener cannot open and close the door. 1. 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 Figure 3 or LOCK...

3850 Elite Series Manual - Page 25

The garage door opener will flash. See Figure 3, page 21. • Repeat the test. • When the door reverses on the 1-1/2" (3.8 cm) board (or 2x4 laid flat), remove the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment. • If the unit continues to fail the Safety Reverse Test, call for a trained door systems...

3850 Elite Series Manual - Page 26

... release them until down until the light goes off, then on again. 26 Failure to garage door opener BEFORE making ANY repairs or removing covers. 15. Activate your garage door opener, it is broken. If the obstruction interrupts the sensor beam, the opener lights will close . 5. The sensor has no obstructions to deactivate any of the following conditions...

3850 Elite Series Manual - Page 30

... additional lubrication. 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. Pull down on the next UP or DOWN operation, either manually or by using the...

3850 Elite Series Manual - Page 31

... 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 equipped with beep, sounding every 30 seconds, indicates battery is not lit properly: • Check battery connections. 8. Refer to Adjustment Step 1, Program the Travel Limits. The need for occasional...

3850 Elite Series Manual - Page 32

...Unit "Learn" Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. Symptom: One or both of sensor. • Reattach ... The door doesn't activate from the door control. • Inspect door control/wires for the sensors. The "Learn" button/diagnostic LED will flash a number of motor unit. • Remove sensors...

3850 Elite Series Manual - Page 38

... 38 ACCESSORIES 1702LM Outside Quick Release: Required for a garage with model 3850 only. Wireless Door Control: Push bar, light feature and auxiliary button. Includes battery. Monitors up to 4 garage doors by adding additional sensor modules. 485LM 395LM Remote Light Control : Enables homeowner to operate garage door opener from outside by disengaging trolley. 373P 41A5281 Extension...