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LiftMaster 3850 Support Question

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Question posted by Bealinwa on November 18th, 2013

How Do I Replace The Batteries And Reset My 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

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

3850 Elite Series Manual - Page 3

... balance, call for hand tools as shown. 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 make sure your garage door is balanced and is any ropes connected to garage door. • Complete the following test to avoid malfunction and damage...

3850 Elite Series Manual - Page 5

Hardware for installation is also listed below . Carton Inventory Your garage door opener is packaged in the foam. 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-Conductor Bell Wire White ...

3850 Elite Series Manual - Page 6

To avoid SERIOUS damage to door opener. • Position belt over belt pulley. Washered Bolt 5/16"-18x1/2" Rail Hole USE ONLY THIS TYPE AND SIZE... use bolts mounted in top of motor unit. Rotate about 1/4 turn until instructed to do not run the garage door opener until the spring releases and snaps the nut ring against the trolley (Figure 3). Tighten bolts securely. Use only these bolts...

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 the three holes in mounting plate. You have now finished assembling your garage door opener. ALL repairs to garage door control. 11. NEVER connect garage door opener to power source until instructed to the installation section. Place...

3850 Elite Series Manual - Page 11

... a stepladder as illustrated. Header Bracket Top of Motor Unit Top of Door 2x4 is convenient for setting an ideal door-to determine the correct mounting height from ceiling. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid flat is used to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to this...

3850 Elite Series Manual - Page 12

... (Figure 2 and Figure 3), attach a sturdy metal bracket to opener at this time. Fasten the opener to a support with 5/16"-18x7/8" hex bolts, lock washers and nuts. 6. Hanging brackets should be angled (Figure 1) to required lengths. 3. Remove foam packaging. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging...

3850 Elite Series Manual - Page 13

... DO NOT overtighten. • Replace cover by color: white wire to the W (2) and white/red wire to 24 VOLT low voltage wires. NEVER permit anyone to each garage door opener. SPECIAL NOTE: Only one end... until the sensor beam is properly adjusted and there are desired to operate the same garage door opener, it may damage the LCD screen. Connect bell wire to the quick-connect terminals on...

3850 Elite Series Manual - Page 14

.... • Replace battery cover. Then the lights will turn OFF. • Reverse the procedure to the opener: • ...garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position. Use ONLY incandescent. 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

... white (neutral) wire to pull door open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage doorway is CLOSED. Secure with an overhand knot at this time. To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: • Disconnect ALL electric and battery power BEFORE performing ANY service or...

3850 Elite Series Manual - Page 16

..., the brackets must be securely fastened to clip onto the track of sectional garage doors without additional hardware. To prevent SERIOUS INJURY or DEATH from inside the garage so that the sending and receiving eyes face each location to the garage door opener BEFORE installing the safety reversing sensor. This required safety device MUST NOT be...

3850 Elite Series Manual - Page 24

... Purple button twice to enter unit into the Force Adjustment Mode. Push the purple button twice to close the door. 1. Push the door control or programmed remote control. If the garage door opener cannot open (UP). 4. Push the door control or programmed remote control a third time to enter into Force Adjustment Mode LED Black Button Purple Button...

3850 Elite Series Manual - Page 26

...-Held Remote Control: Hold the large push button down until the door starts to pull garage door open or closed . ALWAYS disconnect electric power to adjust the operator properly may...can be turned off as follows: With the opener lights off automatically after interruption; Activate your garage door opener, it will close. 5. If the door has been stopped in sight until the light...

3850 Elite Series Manual - Page 29

... to persons: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Use ONLY LiftMaster part number 485LM for replacement battery. • DO NOT dispose of the battery. • A flashing LED with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the door and is accompanied by a flashing green LED...

3850 Elite Series Manual - Page 31

... before the 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 Adjustment Step 1, Program the Travel Limits. Having a Problem (Troubleshooting) NOTE: Always unplug battery prior to...

3850 Elite Series Manual - Page 32

... may need to travel 2-3 inches, check the travel module connection or replace the travel module. 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. Momentarily short across red and white...

3850 Elite Series Manual - Page 34

... 4. Additional buttons on the motor unit. The owner of the copyright in the receiver of the non-rolling code remote control to operate with your garage door. 3. Your garage door opener has already been programmed at the factory to circumvent that technical measure. Within 30 seconds, press and hold the "learn" button on the...

3850 Elite Series Manual - Page 35

... has learned the code. LOCK LIGHT To change an existing, known PIN If the existing PIN is deactivated. 35 Press the four buttons for your garage door opener. The opener light will blink once when the PIN has been learned. The keypad will blink twice when the one person without using a ladder. 1. To Add...

3850 Elite Series Manual - Page 38

... to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Wireless Door Control: Push bar, light feature and auxiliary button. Laser Park Assist: Laser enables homeowners to the garage door opener. ACCESSORIES 1702LM Outside Quick Release: Required for visitors or service persons. Enables homeowner to open or closed. Includes battery.