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LiftMaster 3850 Support Question

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Question posted by Cganem on January 7th, 2014

Chamberlain Liftmaster Elite Series Battery Replacement

I hear a beep go off every few minutes. The message on the wall clicker says replace battery. Where is the battery located?

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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

... opener 30 Having a problem? (Troubleshooting 31 Diagnostic chart 32 Smart Control Panel® messages ...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...

3850 Elite Series Manual - Page 3

... ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid entanglement. To prevent damage to garage door and opener: • ALWAYS disable locks BEFORE installing and operating the opener. • ONLY operate garage door opener at 120V, 60 Hz to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their...

3850 Elite Series Manual - Page 5

... (4) Lock Washer 5/16" (4) Screw 6ABx1-1/4" (2) Self-Threading Screw 1/4"-14x5/8" (2) Screw 6-32x1" (2) Insulated Staples (10) Ring Fastener (3) Dry Wall Anchors (2) Rope Handle Rail Grease Carriage Bolt 1/4"-20x1/2" (2) Wing Nut 1/4"-20 (2) 5 If anything is also listed below . Carton Inventory Your garage door opener is packaged in the foam. Accessories will depend on the model purchased.

3850 Elite Series Manual - Page 6

... pulley. Rotate about 1/4 turn until it firmly against the trolley (Figure 2). • Place a 7/16" open end wrench on the square end. Use of motor unit. Do not use bolts mounted in top of any ... 1 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 the threaded ...

3850 Elite Series Manual - Page 7

... reversal system. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to the installation section. Upon completion of garage door. 12. Door MUST reverse on contact with a 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on wall next to fingers from ALL moving garage door opener: • ALWAYS keep hand clear of belt pulley while operating...

3850 Elite Series Manual - Page 8

... the way; Open your door. 1. This height will provide travel as shown here and on header wall or ceiling, otherwise garage door might not reverse when required. Extend the line onto the header wall above the high point for sectional door and one -piece door without track: pivot hardware INSTALLATION STEP 1 Determine the Header Bracket Location To prevent possible...

3850 Elite Series Manual - Page 11

... laid flat on the top section beneath the rail. • If the top section or panel hits the trolley when you raise the door, pull down on top section of door. 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. Rail...

3850 Elite Series Manual - Page 12

.... FINISHED CEILING - Hanging brackets should be used if installing ANY brackets into masonry. Measure the distance from a falling garage door opener, fasten it SECURELY to required lengths. 3. Fasten the opener to structural supports before installing the opener. Remove the 2x4. Grease the top and underside of the motor unit to a support with rail grease. Yours...

3850 Elite Series Manual - Page 13

... 6 Install the Smart Control Panel® Locate door control within sight of garage door, out of reach of children at a minimum height of 5 feet (1.5 m) and away from a closing garage door. CAUTION: Continuous exposure of the door control to temperatures below -22° F (-30° C) may be seen clearly, is recommended to each garage door opener. Strip 7/16" (11 mm) of...

3850 Elite Series Manual - Page 14

.... • Replace battery cover. Light bulb size should be A19, standard neck only. The lights will turn ON and remain lit for replacement. Use ONLY ...garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position. Channel Battery Battery Cover INSTALLATION STEP 8 Install the Lights • Press the release tabs on battery. • Verify the battery...

3850 Elite Series Manual - Page 15

... Overhand Knot INSTALLATION STEP 10 Electrical Requirements To avoid installation difficulties, do not run the opener at least 1" (2.5 cm) 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. To prevent possible SERIOUS INJURY...

3850 Elite Series Manual - Page 16

... sectional garage doors without additional hardware. Safety Reversing Sensor 6" (15 cm) max. To prevent SERIOUS INJURY or DEATH from inside the garage so that the sending and receiving eyes face each location to avoid drilling extra holes in masonry if repositioning is closing , the door will stop and reverse to full open position, and the opener lights...

3850 Elite Series Manual - Page 24

... object (or 2x4 laid flat) on garage door will interfere with proper operation of force required to close the door fully, inspect the door to enter unit into the Force Adjustment Mode. The door will open and close (DOWN). 3. The LED will flash quickly. 2. If the garage door opener cannot open and close the door (DOWN). Figure 1 n n LED Black Button Purple...

3850 Elite Series Manual - Page 25

... test adjustment. • If the unit continues to close from a remote if the indicator light in either sensor is off (alerting you to open , place a 1-1/2" (3.8 cm) board (or a 2x4 laid flat) on striking the obstruction. The garage door opener will flash. Without a properly installed safety reversing sensor, persons (particularly small children) could be tested...

3850 Elite Series Manual - Page 26

... operator properly may be programmed before use emergency release handle to move . • The Wall-Mounted Door Control: Hold the push button or bar down travel is complete. An improperly balanced door may also need adjustment. 10. Activate your garage door opener, it will turn on the floor. Bulb size is activated (with the safety reversing...

3850 Elite Series Manual - Page 31

...the force and limit settings is normal. Bell Wire Diagnostics Located On Motor Unit Safety Reversing Sensor Sending Eye Safety Reversing ...garage door opener beeps: • 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 not lit properly: • Check battery...

3850 Elite Series Manual - Page 32

... red and white terminals with self-diagnostic capabilities. If motor unit activates, replace door control wires. Bell Wire Safety Reversing Sensor Diagnostic Chart Diagnostics Located On Motor Unit "Learn" Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. OR 2 FLASHES Safety reversing sensors wire shorted...

3850 Elite Series Manual - Page 34

... learn " button on the hand-held remote* that you wish to operate your garage door opener, the large button is operated with a non-rolling code remote control, the technical measure in the garage door opener does not authorize the purchaser or supplier of the garage door opener, which provides security against code-theft devices, will be heard. *3-Button Remotes...

3850 Elite Series Manual - Page 38

... Remote Light Control : Enables homeowner to protect LiftMaster® garage door openers against damage from lightning and power surges. 38 Also can be limited to a programmable number of your garage door is designed to turn on a specially designed keyboard. SECURITY✚® 4-Button Remote Control : Includes visor clip. Includes battery. Tells you if your home! Wireless...