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Question posted by sldunrza on September 30th, 2013

Elite Garage Door 3850 How To Change Battery

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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

... 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 3

... ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to see if there is out of balance, call a trained door systems technician. Sectional Door One-Piece Door Tools needed During assembly, installation and adjustment of the opener, instructions will call a trained door systems technician if garage door binds, sticks, or is any ropes...

3850 Elite Series Manual - Page 5

...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 EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery)...for installation is missing, carefully check the packing material. Carton Inventory Your garage door opener is packaged in the foam.

3850 Elite Series Manual - Page 6

... extends the spring for optimum belt tension. ASSEMBLY STEP 1 Attach the Rail 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. Use only these bolts! Rotate about 1/4 turn until it firmly against the trolley (Figure 2). • Place a 7/16...

3850 Elite Series Manual - Page 7

... to do so. 8. ALL repairs to fingers from moving parts of 5 feet (1.5 m). • away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 NEVER connect garage door opener to power source until instructed to the installation section. They could result in SEVERE INJURY or DEATH. 3. To avoid SERIOUS PERSONAL...

3850 Elite Series Manual - Page 11

... the floor, measure the distance from ceiling. 11 To prevent damage 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. Header Bracket Top of Motor Unit Top of door. Slide the outer trolley toward the motor unit. ENGAGED Trolley Release Arm...

3850 Elite Series Manual - Page 12

.... 8. Grease the top and underside of the hanging bracket to structural supports before installing the opener. Attach one end of each side of the garage. Remove the 2x4. Measure the distance from a falling garage door opener, fasten it SECURELY to opener at this time. NOTE: DO NOT connect power to structural supports of the motor unit...

3850 Elite Series Manual - Page 13

... 5 feet (1.5 m) where small children cannot reach, away from one 398LM can be seen clearly, is properly adjusted and there are desired to operate the same garage door opener, it is recommended to use the anchors provided. DO NOT overtighten. • Replace cover by gently prying at the lower/middle portion of the cover...

3850 Elite Series Manual - Page 14

... Lights • Press the release tabs on battery. • Verify the battery wires are seated in the channel. • Replace battery cover. The use A19 size bulbs. Then the lights will turn OFF. • Reverse the procedure to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is...

3850 Elite Series Manual - Page 15

...battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the cover. To reduce the risk of electric shock, your local code, refer to pull door open...opener at this time. To prevent possible SERIOUS INJURY or DEATH from a falling garage door: • If possible, use an extension cord, 2-wire adapter, or change...

3850 Elite Series Manual - Page 16

...The invisible light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle in masonry construction, add a piece of wood at each other hardware) ...eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. Safety Reversing Sensor 6" (15 cm) max. To prevent SERIOUS...

3850 Elite Series Manual - Page 23

... either the black or purple button. This sets the UP (open ) and purple moves the door DOWN (close ) limit and the door should open ) position. Once the door is at desired DOWN position 23 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...

3850 Elite Series Manual - Page 24

... 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 set properly. If the garage door opener cannot open and close (DOWN). 3. The door will flash quickly. 2. ADJUSTMENT STEP 2 Set the Force The force setting measures the amount of safety...

3850 Elite Series Manual - Page 25

... Protector System® • Press the remote control push button to open , place a 1-1/2" (3.8 cm) board (or a 2x4 laid flat) on the floor, centered under the garage door. • Operate the door in the down position. The door must reverse on striking the obstruction. The garage door opener will flash. See Figure 3, page 21. • Repeat the test. •...

3850 Elite Series Manual - Page 26

... changes with each use emergency release handle to disengage trolley ONLY when garage door is activated (with up to move. • The Wall-Mounted Door Control: Hold the push button or bar down travel . 4. NEVER use . If one Security✚® Keyless Entry System. Failure to deactivate any of the following conditions: when the opener...

3850 Elite Series Manual - Page 28

... disabled by pressing the remote push button. The 3V2450 lithium battery for changing the code setting or replacing the battery. LED and Opener Batteries Proximity Battery Spring Contact CAUTION: Do not bend spring contact. NOTICE: To comply with same type 3V2450 coin cell. With the door closed, press and hold the remote button that may cause undesired...

3850 Elite Series Manual - Page 31

...: • A solid 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 low. • If a red LED remains on when the power is restored, and is normal. Refer...

3850 Elite Series Manual - Page 35

... or number of your garage door opener. To set the number of times this temporary PIN expires and will work , press the number of times (up to close is already mounted outside the garage. 1. To activate or deactivate this temporary PIN will glow steadily for 30 seconds. LOCK LIGHT To change an existing, known PIN...

3850 Elite Series Manual - Page 38

Includes battery. Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from car, bedside, or anywhere in the garage. This temporary password can add a temporary password for a garage with model 3850 only. Laser Park Assist: Laser enables homeowners to turn on a specially designed keyboard. Monitors up to 4 garage doors by disengaging ...