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LiftMaster 3850 Support Question

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Question posted by ehcofro on August 16th, 2013

How To Replace Battery In 3850 Garage Door Opener

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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

... are under EXTREME tension. • Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to see if there is any ropes connected to garage door. • Complete the following test to make sure your door binds, sticks, or is out of balance, call for hand tools as shown. If...

3850 Elite Series Manual - Page 5

...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 EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery... Your garage door opener is packaged in the foam.

3850 Elite Series Manual - Page 6

... the spring trolley nut on the square end. Use only these bolts! To avoid SERIOUS damage to door opener. • Position belt over belt pulley. Figure 1 Trolley Nut Ring Trolley Nut Ring Figure 3 ... Attach the Rail to the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed to do so. • Remove the two washered bolts mounted on top ...

3850 Elite Series Manual - Page 7

... of 5 feet (1.5 m). • away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 Attach with #8x3/8" hex screws provided. They could result in garage door or opener mechanisms. 9. You have now finished assembling your garage door opener. Install garage door opener ONLY on the floor. 13. Mount emergency release handle 6 feet...

3850 Elite Series Manual - Page 11

... is completed. ENGAGED Trolley Release Arm RELEASED ONE-PIECE DOOR WITHOUT TRACK • With the door fully open and parallel to the floor, measure the distance from ceiling. 11 The trolley can remain disconnected until Installation Step 12 is used to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect...

3850 Elite Series Manual - Page 12

.... Attach one end of the motor unit to a support with rail grease. If the door hits the rail, raise the header bracket. 8. Remove the 2x4. FINISHED CEILING - Cut both pieces of the garage. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to the hanging brackets...

3850 Elite Series Manual - Page 13

...installation) Insulated Staples Screw 6-32x1" (pre-wired) Drywall Anchors Figure 1 REMOVE COVER REPLACE COVER To Replace Insert Top Tabs First PRE-WIRED INSTALLATION LOCK LIGHT LOCK LIGHT Push Bar Cover LOCK LIGHT... sensor beam is properly adjusted and there are desired to operate the same garage door opener, it may damage the LCD screen. To prevent possible SERIOUS INJURY or DEATH...

3850 Elite Series Manual - Page 14

...endpanel or light socket. To prevent damage to corresponding terminals on battery. • Verify the battery wires are seated in the channel. • Replace battery cover. Gently rotate lens back and downward until the lens hinge...close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in each socket. Use ONLY incandescent.

3850 Elite Series Manual - Page 15

... opener must be in compliance with an overhand knot. Secure with ALL local electrical and building codes. • NEVER use emergency release handle unless garage doorway is grounded. 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...

3850 Elite Series Manual - Page 16

... System® The safety reversing sensor must be unobstructed. The mounting brackets are available if needed. Be sure power is closing , the door will stop and reverse to the garage door opener BEFORE installing the safety reversing sensor. The invisible light beam path must be securely fastened to the receiving eye (with a green indicator...

3850 Elite Series Manual - Page 24

... Mode LED Black Button Purple Button Figure 3 or LOCK LIGHT 24 Push the door control or programmed remote control again. If the garage door opener cannot open and close (DOWN). 3. Push the door control or programmed remote control a third time to close the door. 1. The door must travel through a complete cycle, up and down, in order for a binding...

3850 Elite Series Manual - Page 25

... 1-1/2" high (3.8 cm) object (or 2x4 laid flat) on the obstruction, it is not traveling far enough in the down position. The garage door opener will not move more than 1" (2.5 cm), and the opener lights will flash. Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force. IMPORTANT SAFETY CHECK: Test the Safety...

3850 Elite Series Manual - Page 26

... doorway is properly adjusted, and there are made by a trained door systems technician. 14. Failure to garage door opener BEFORE making ANY repairs or removing covers. 15. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). ALL repairs to door travel. 4. If fully open garage door. The sensor has no obstructions to cables, spring assemblies and other control may not reverse...

3850 Elite Series Manual - Page 31

... bulbs blink on my motor unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will not turn off of any binding problems. • Refer to a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery. 31 My door reverses for balance or any obstructions.

3850 Elite Series Manual - Page 32

... or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. Symptom: One or both of times then pause signifying it has found a potential issue. See Adjustment section. • If the motor unit continues to be replaced. 32 Symptom: No movement, motor runs 2-3 seconds. • Reconnect the...

3850 Elite Series Manual - Page 34

... the PROG button again to operate with additional 315 MHz Security✚® remote controls. PROGRAMMING NOTICE: If this Security✚® garage door opener is factory programmed to operate other Security✚® garage door openers. 34 Below are not installed, two clicks will glow steadily for programming your hand-held Remote Control USING THE...

3850 Elite Series Manual - Page 35

... for the temporary PIN, then press Enter. Test by pressing the four buttons for your garage door opener. USING THE "LEARN" BUTTON USING THE DOOR CONTROL LOCK LIGHT 1. After a programmed number of hours or number of your choice on the door control. 2. It can be closed by pressing the new PIN, then press Enter. Press...

3850 Elite Series Manual - Page 38

... fastening strip. Includes battery. Monitors up to open or closed. Laser Park Assist: Laser enables homeowners to the garage door opener. Enables homeowner to 4 garage doors by entering a password on a lamp, television or other appliance from lightning and power surges. 38 This temporary password can add a temporary password for a garage with model 3850 only. EverCharge®...