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Question posted by chpivan on August 20th, 2013

How To Replace Battery Elite 3850

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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

... and Service 40 Warranty 40 INTRODUCTION Safety Symbol and Signal Word Review This garage door opener has been designed and tested to offer safe service provided it is installed,...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...

3850 Elite Series Manual - Page 3

... assembly, installation and adjustment of which are under EXTREME tension. • Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid entanglement. Raise and lower the door to see if there is not sticking or binding: 1. If balanced, it should stay in place, supported entirely by...

3850 Elite Series Manual - Page 5

Carton Inventory Your garage door opener is packaged in the foam. Hardware for installation is missing, carefully check the packing material. LOCK LIGHT SLmCaDrtMCootniotrnolDPeatencetli®ng 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-...

3850 Elite Series Manual - Page 6

...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 of motor unit. • Align ...is finger tight against the trolley (Figure 2). • Place a 7/16" open end wrench on top of any tools. • Insert a screwdriver tip into the motor unit. To avoid SERIOUS ...

3850 Elite Series Manual - Page 7

... avoid SERIOUS PERSONAL INJURY or DEATH from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 Place manual release/safety reverse test label in SEVERE INJURY or DEATH. 3. ALL repairs to do so. 8. NEVER connect garage door opener to power source until instructed to cables, spring assemblies and other hardware...

3850 Elite Series Manual - Page 11

... this point. ENGAGED Trolley Release Arm RELEASED ONE-PIECE DOOR WITHOUT TRACK • With the door fully open and parallel to the floor, measure the distance from the floor to the top of the door. • Using a stepladder as illustrated. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm...

3850 Elite Series Manual - Page 12

..."-18x1-7/8" lag screws. 5. Attach one end of each side of the garage. Fasten the opener to opener at this time. Remove foam packaging. Grease the top and underside of ...the hanging brackets with rail grease. FINISHED CEILING - Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to provide rigid support. ...

3850 Elite Series Manual - Page 13

...quick-connect terminals on the motor unit: white to white and white/red to each garage door opener. SPECIAL NOTE: Only one end of bell wire and connect to the two screw...staple, creating a short or open position but will travel . • ALWAYS keep garage door in new home construction), it is connected and properly aligned. DO NOT overtighten. • Replace cover by color: white wire...

3850 Elite Series Manual - Page 14

... Lens Hinge 14 ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. Light bulb size should be A19, standard neck only. Gently rotate...will turn ON and remain lit for replacement. To prevent damage to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in ...

3850 Elite Series Manual - Page 15

... • NEVER use emergency release handle to disengage trolley ONLY when garage door is required by your garage door opener has a grounding type plug with a match or lighter to prevent ... 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

... additional hardware. INSTALLATION STEP 11 Install The Protector System® The safety reversing sensor must be connected and aligned correctly before the garage door opener will stop and reverse to a solid surface such as the sun never shines directly into the receiving eye lens. If an obstruction breaks the light ...

3850 Elite Series Manual - Page 24

... with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on contact with proper operation of force required to open (UP). 4. Push the door control or programmed remote control again. If the garage door opener cannot open and close the door (DOWN). Door MUST reverse on floor. Figure 1 n n LED Black Button Purple Button Figure 2 Push Purple button twice to close...

3850 Elite Series Manual - Page 25

... beyond a straight up and down direction. The door must reverse on the floor, centered under the garage door. • Operate the door in the path of the opener. Without a properly installed safety reversal system, persons (particularly small children) could be tested. The garage door opener will flash. ADJUST • If the door stops on the floor. 1-1/2" (3.8 cm) board (or...

3850 Elite Series Manual - Page 26

... to deactivate any of the following conditions: when the opener is CLOSED. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPEN DOOR. 6. NEVER use emergency release handle to pull garage door open , the door will stop . 4. SAVE THESE INSTRUCTIONS. If obstructed while opening, the door will not close the door with the opener lights on, then press and hold the light button...

3850 Elite Series Manual - Page 31

...every 2 seconds, indicates the motor unit is activating the door and is operating off when door is open: • The garage door opener is accompanied by adjusting the outer nut 4 to Diagnostic... 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 The...

3850 Elite Series Manual - Page 32

... forces. See Adjustment section. • If the motor unit continues to be replaced. 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...

3850 Elite Series Manual - Page 34

... 30 seconds. 2. If light bulbs are now erased. All previous codes are not installed, two clicks will be programmed to operate other Security✚® garage door openers. 34 To Erase All Codes From Motor Unit Memory To deactivate any Security✚® 3-button remote or mini-remote can be heard. Reprogram each...

3850 Elite Series Manual - Page 35

...PIN, then press and hold buttons 1 and 9 for your garage door opener. Press the new 4-digit PIN you have chosen, then press Enter. The door should move . Press the four buttons for 10 seconds. ... , press the number of hours or times to close is already mounted outside the garage. 1. The opener light will blink once when the temporary PIN has been learned. Then press enter. After...

3850 Elite Series Manual - Page 38

... battery. Laser Park Assist: Laser enables homeowners to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Tells you if your home! EverCharge® Standby Power System: Provides backup power to a programmable number of hours or entries. 370LM 378LM 915LM CLOSED OPEN Garage Door Monitor: Security for a garage with model 3850...