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LiftMaster 3850 Support Question

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Question posted by Peterunuel on November 23rd, 2013

How To Change Emergency Battery In Liftmaster 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. ■ The door...

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 damage to your opener 30 Having a problem? (Troubleshooting 31 Diagnostic chart 32...

3850 Elite Series Manual - Page 3

... 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. An unbalanced garage door may not reverse when required. • NEVER try to avoid entanglement. Lift...

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)...If anything is missing, carefully check the packing material. Carton Inventory Your garage door opener is packaged in the foam.

3850 Elite Series Manual - Page 6

... 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. Cut tape from rail, chain... Rotate about 1/4 turn until it firmly against the trolley (Figure 2). • Place a 7/16" open end wrench on the threaded shaft until the spring releases and snaps the nut ring against the trolley (...

3850 Elite Series Manual - Page 7

... provided. You have now finished assembling your garage door opener. An improperly balanced door may not reverse when required and could be made by a trained door systems technician BEFORE installing opener. 4. ALL repairs to the installation section. Install garage door opener 7 feet (2.1 m) or more above floor. 7. Mount emergency release handle 6 feet (1.8 m) above floor. 6.

3850 Elite Series Manual - Page 11

... until Installation Step 12 is convenient for setting an ideal door-to your door type as a support, raise the top of the opener to this height. • The top of the door should be level with the top of Door 2x4 is used to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to...

3850 Elite Series Manual - Page 12

... to required lengths. 3. Cut both pieces of the garage. Remove the 2x4. If the door hits the rail, raise the header bracket. 8. Measure the distance from a falling garage door opener, fasten it SECURELY to make sure the rail is not centered above the door). 7. Fasten the opener to opener at this time. NOTE: DO NOT connect power to...

3850 Elite Series Manual - Page 13

... in several places. Strip 7/16" (11 mm) of insulation from end of door control on the motor unit: white to white and white/red to each garage door opener. NEVER permit anyone to cross path of closing garage door: • Install door control within sight of door, at a minimum height of 5 feet (1.5 m) where small children cannot reach, away...

3850 Elite Series Manual - Page 14

... the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in each...battery cover. The lights will turn ON and remain lit for replacement. Release Tab 100 Watt (Max) Standard Light Bulb 100 Watt (Max) Standard Light Bulb Lens Hinge 14 The use halogen bulbs. ALWAYS wear protective gloves and eye protection when changing the battery...

3850 Elite Series Manual - Page 15

...and battery power BEFORE performing ANY service or maintenance. • Garage door installation ...opener at this time. Weak or broken springs or unbalanced door could fall. and the ground wire to pull door open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage doorway is required by your garage door opener... adapter, or change plug in the...

3850 Elite Series Manual - Page 16

...eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. The mounting brackets are available if needed.... System® The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the path of its electronic beam. above the floor. If an obstruction breaks the light ...

3850 Elite Series Manual - Page 24

... that it is balanced properly and is not stopping exactly where you would like it, repeat Program the Travel Limits. If the garage door opener cannot open and close the door (DOWN). Push the door control or programmed remote control. The LED will flash quickly. 2. Figure 1 n n LED Black Button Purple Button Figure 2 Push Purple button twice...

3850 Elite Series Manual - Page 25

... installed safety reversal system, persons (particularly small children) could be tested. Safety Reversing Sensor 25 Safety Reversing Sensor The door will not close the door. 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. ADJUSTMENT STEP 3 Test...

3850 Elite Series Manual - Page 26

... Your Garage Door Opener Your Security✚® opener and hand-held remote. When the opener is activated. If obstructed while closing , the door will reverse. when the opener is activated (with the safety reversing sensor correctly installed and aligned) 1. Bulb power is activated. WARNING OPERATION IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of which changes...

3850 Elite Series Manual - Page 31

..., 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 the following page. 2. If the trolley re-engages with the door, pull the Emergency Release Rope to Operation section; Refer...

3850 Elite Series Manual - Page 32

... Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. Consult Diagnostic Chart below. 1 FLASH Safety reversing sensors wire open (broken or disconnected). Symptom: No movement, motor runs 2-3 seconds. • Reconnect the emergency release. • Motor may need to travel 2-3 inches, check the travel module...

3850 Elite Series Manual - Page 34

... when the motor unit lights blink. Within 30 seconds, press and hold the "learn" button on motor unit until the learn " button on the door control. 2. Your garage door opener has already been programmed at the factory to operate with additional 315 MHz Security✚® remote controls. If light bulbs are now erased...

3850 Elite Series Manual - Page 35

... unit. To activate or deactivate this temporary PIN will be heard. 2. LOCK LIGHT To change an existing, known PIN If the existing PIN is known, it may authorize access by ... door control. 2. Press the new 4-digit PIN you have chosen, then press Enter. Press the four buttons for your garage door opener. The opener light will blink four times when one button close the door ...

3850 Elite Series Manual - Page 38

... can add a temporary password for a garage with model 3850 only. SECURITY✚® 4-Button Remote Control : Includes visor clip. EverCharge® Standby Power System: Provides backup power to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Includes battery. For use with NO access door. Laser Park Assist: Laser enables...