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LiftMaster 3850 Support Question

LiftMaster 3850 Support Question

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Question posted by frettdmabs on July 19th, 2014

Found The Liftmaster Garage Battery, How To Remove The Wire

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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

... the Protector 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 serious injury or death if you do...
3850 Elite Series Manual - Page 3

... and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to see if there is not sticking or binding: 1. To prevent possible SERIOUS INJURY or DEATH: • ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of the opener, instructions will call a trained door systems technician. Preparing your garage door Before...
3850 Elite Series Manual - Page 5

...3850-267 (1) ONLY Motor Unit with Light Lenses 2-Conductor Bell Wire White & White/Red Belt Pulley Bracket Trolley Optional EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery) Belt RReemmootteeCCoonnttrrooll VVisisoorrCClilpip : Styrofoam Belt Cap Retainer One-Piece Rail CEYILING MOUNT ONL UP Header Bracket Door Bracket Curved Door... Your garage door opener is missing...
3850 Elite Series Manual - Page 6

...nut ring against the trolley (Figure 1). Cut tape from rail, chain and styrofoam. • REMOVE STYROFOAM. • Insert both washered bolts through the rail into one of motor unit. &#... the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed to door opener. • Position belt over belt pulley. Use of motor unit. This extends the ...
3850 Elite Series Manual - Page 7

.... You have now finished assembling your garage door opener. To avoid possible SERIOUS INJURY to the installation section. 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 maintenance...
3850 Elite Series Manual - Page 11

... from ceiling. 11 INSTALLATION STEP 4 Position the Opener Follow instructions which apply to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to -rail distance. • Raise the opener onto a stepladder. ENGAGED Trolley Release Arm RELEASED ONE-PIECE DOOR WITHOUT TRACK • With the door fully open and parallel to the floor, measure the...
3850 Elite Series Manual - Page 12

... bracket to provide rigid support. 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 door (or in the structural supports. 4. Remove the 2x4. Lag Screws 5/16"-18x1-7/8" (Not Provided) Bolt 5/16...
3850 Elite Series Manual - Page 13

... have any trouble with a staple, creating a short or open position but will travel . • ALWAYS keep garage door in sight until the sensor beam is connected and properly aligned. HARDWARE SHOWN ACTUAL SIZE Screw 6ABx1-1/4" (standard installation) Insulated Staples Screw 6-32x1" (pre-wired) Drywall Anchors Figure 1 REMOVE COVER REPLACE COVER To Replace Insert Top Tabs...
3850 Elite Series Manual - Page 14

...8226; Reverse the procedure to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. Use ONLY incandescent. The lights ... 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...
3850 Elite Series Manual - Page 15

...Remove the motor unit cover screws and set the cover aside. • Remove the attached 3-prong cord. • Connect the black (line) wire to pull door open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage... ALL electric and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded....
3850 Elite Series Manual - Page 16

... extra holes in masonry if repositioning is NO HIGHER than 6" (15 cm) above garage floor. If installing in masonry construction, add a piece of wood at each other hardware) may interrupt the beam while the door is necessary to the garage door opener BEFORE installing the safety reversing sensor. The units must be installed inside the...
3850 Elite Series Manual - Page 24

... enter unit into the Force Adjustment Mode. If the garage door opener cannot open and close the door. 1. The LED will close (DOWN). 3. Push the purple button twice to enter into Force Adjustment Mode LED Black Button Purple Button Figure 3 or LOCK LIGHT 24 The door will stop flashing when the force has been programmed. If...
3850 Elite Series Manual - Page 25

... the floor, centered under the garage door. • Operate the door in the down direction. Without a properly installed safety reversal system, persons (particularly small children) could be tested. The door will not close the door. The door must reverse 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...
3850 Elite Series Manual - Page 26

... need adjustment. 10. WARNING OPERATION IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of children. NEVER permit children to garage door opener BEFORE making ANY repairs or removing covers. 15. If possible, use handle to pull garage door open door falling rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH. 7. After ANY adjustments are under the following : •...
3850 Elite Series Manual - Page 31

... connected and aligned correctly before the garage door opener will not activate the door: • Verify your door, check diagnostic LED for the force and limit settings is accompanied by adjusting the outer nut 4 to a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery. 31 Decrease down direction. • Verify...
3850 Elite Series Manual - Page 32

..." Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. Symptom: One or both of times...wires for a short (staple in wire), correct wiring polarity (black/white wires reversed), broken or disconnected wires, replace/attach as needed . • Disconnect all wires from back of motor unit. • Remove sensors from brackets and shorten sensor wires...
3850 Elite Series Manual - Page 34

... remote control. USING THE "LEARN" BUTTON To Add or Reprogram a Hand-held remote that technical measure. Your garage door opener has already been programmed at the factory to operate other Security✚® garage door openers. 34 The door will be heard. Press the button on the motor unit. The owner of the copyright in the receiver...
3850 Elite Series Manual - Page 35

... button. 4. To set the number of times this temporary PIN will work , press the number of your garage door opener. To set the number of hours this temporary PIN will work , press the number of openings, remember that the test has used to close is deactivated. 35 If the temporary PIN was set a temporary...
3850 Elite Series Manual - Page 38

... Quick Release: Required for the largest door of hours or entries. 370LM 378LM 915LM CLOSED OPEN Garage Door Monitor: Security for a garage with NO access door. SECURITY✚® 4-Button Remote Control : Includes visor clip. Also can be limited to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Includes battery.

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