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LiftMaster 3850 Support Question

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Question posted by alcodaca on December 3rd, 2013

How To Change The Battery In Elite Series 3850 Garage Door Opener Bad 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

... 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

... which are under EXTREME tension. • Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of balance, call a trained door systems technician. To prevent possible SERIOUS INJURY or DEATH: • ALWAYS call for hand...

3850 Elite Series Manual - Page 5

Carton Inventory Your garage door opener is packaged in the foam. Accessories will depend on the model purchased. Hardware for installation is missing, carefully check the packing material. Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below . LOCK LIGHT SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console SECURITY✚...

3850 Elite Series Manual - Page 6

... 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! Washered...end. Rotate about 1/4 turn until it firmly against the trolley (Figure 2). • Place a 7/16" open end wrench on top of motor unit. • Align rail and styrofoam over the motor unit belt pulley...

3850 Elite Series Manual - Page 7

.... • 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. 7 Install garage door opener 7 feet (2.1 m) or more above floor. 7. Place entrapment warning label on inside of installation, test safety reversal system. You have now finished assembling...

3850 Elite Series Manual - Page 11

... the top section or panel hits the trolley when you raise the door, pull down on the trolley release arm to your door type as a support, raise the top of the opener to garage door, rest garage door opener rail on 2x4 placed on top section of Door 2x4 is completed. You will need help at this point. Header...

3850 Elite Series Manual - Page 12

..."-18x7/8" Lock Washer 5/16" Nut 5/16"-18 Hidden Support - Remove foam packaging. Fasten the opener to the structural support. 2. FINISHED CEILING - Hanging brackets should be angled (Figure 1) to opener at this time. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to the hanging brackets with...

3850 Elite Series Manual - Page 13

... end of bell wire. DO NOT connect power and operate the opener at this time. If additional wall controls are no obstructions to each garage door opener. Strip 7/16" (11 mm) of insulation from one 398LM can be connected to door travel to the full open circuit. 4. Connect bell wire to the quick-connect terminals on...

3850 Elite Series Manual - Page 14

... lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in each socket. Use ONLY incandescent. INSTALLATION STEP 7 Install the EverCharge® Standby Power System (optional) • Make sure motor unit is unplugged. • Using a Phillips head screwdriver, remove the battery cover on the motor unit. • Partially...

3850 Elite Series Manual - Page 15

...garage door is clear of persons and obstructions. • NEVER use handle to pull door open door falling rapidly and/or unexpectedly. • NEVER use an extension cord, 2-wire adapter, or change...electrocution or fire: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall ...

3850 Elite Series Manual - Page 16

...; Correctly connect and align the safety reversing sensor. If installing in masonry construction, add a piece of the door as long as the wall framing. The units must be connected and aligned correctly before the garage door opener will move in the down direction. INSTALLATION STEP 11 Install The Protector System® The safety reversing...

3850 Elite Series Manual - Page 24

... the force has been programmed. The door will open and close the door (DOWN). If the garage door opener cannot open (UP). 4. The door must 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 tested. Door MUST reverse on contact with proper operation...

3850 Elite Series Manual - Page 25

... a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force. The garage door opener will flash. If the opener closes the door when the safety reversing sensor is not traveling far enough in the down position.

3850 Elite Series Manual - Page 26

... sight until the light goes on when someone walks through the open , the door will open door falling rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH. 7. Garage door MUST reverse on again. 26 Failure to cables, spring assemblies and other hardware, ALL of which changes with garage door control push buttons or remote controls. 3. ALL repairs to adjust...

3850 Elite Series Manual - Page 31

... garage door opener will not turn off of any binding problems. • Refer to Adjustment Step 2, Setting the force. • Run the motor unit from the opener by pulling the Emergency Release Rope. • Manually bring the door to a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery. 31 My door...

3850 Elite Series Manual - Page 32

.... 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 dim or flashing. • Realign receiving eye sensor, clean lens and secure brackets. OR 2 FLASHES Safety reversing sensors wire shorted or black/white wire...

3850 Elite Series Manual - Page 34

... Security✚® garage door opener is factory programmed to operate your garage door. Your garage door opener has already been programmed at the factory to operate with your opener to operate 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...

3850 Elite Series Manual - Page 35

...0 in step 3. LOCK LIGHT To change an existing, known PIN If the existing PIN is already mounted outside the garage. 1. To Add, Reprogram or Change a Keyless Entry PIN NOTE: Your .... USING THE "LEARN" BUTTON USING THE DOOR CONTROL LOCK LIGHT 1. The learn " button on the door control. 2. Press the four buttons for your garage door opener. Press the four buttons for the present ...

3850 Elite Series Manual - Page 38

...Button Remote Control : Includes visor clip. Includes battery. Laser Park Assist: Laser enables homeowners to the garage door opener. Also can be limited to protect LiftMaster® garage door openers against damage from lightning and power surges. 38 ACCESSORIES 1702LM Outside Quick Release: Required for a garage with model 3850 only. EverCharge® Standby Power System: Provides...