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LiftMaster 3850 Support Question

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Question posted by arronmamaca on March 5th, 2014

Is Proximity Battery Necessary For 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. ■...
3850 Elite Series Manual - Page 2

... Safety Symbol and Signal Word Review This garage door opener has been designed and tested to offer safe...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

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 avoid entanglement. Lift the door about halfway as illustrated below. An unbalanced garage door may not reverse when required. • NEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, ...
3850 Elite Series Manual - Page 5

... and all parts illustrated below . Carton Inventory Your garage door opener is packaged in the foam. Accessories will depend on the model purchased. 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...
3850 Elite Series Manual - Page 6

...Nut Shaft Ring Nut Ring Slots Figure 2 Do not use any other bolts will cause serious damage to opener, ONLY use bolts mounted in top of motor unit. • Align rail and styrofoam over the motor... the Motor Unit To avoid installation difficulties, do not run the garage door opener until the spring releases and snaps the nut ring against the trolley (Figure 1). To avoid SERIOUS damage ...
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 NEVER wear watches, rings or loose clothing while installing or servicing opener. Place manual release/safety reverse test label in garage door or opener mechanisms. 9. READ AND FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS. 2. They could...
3850 Elite Series Manual - Page 11

... 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. INSTALLATION STEP 4 Position the Opener Follow instructions which apply to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to -rail distance. • Raise the...
3850 Elite Series Manual - Page 12

... Supports Lag Screws 5/16"-18x1-7/8" Figure 2 Bracket (Not Provided) Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18 Hidden Support - Remove foam packaging. Operate the door manually. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of each side of the hanging bracket to the structural support. 2. If the...
3850 Elite Series Manual - Page 13

... be seen clearly, is properly adjusted and there are desired to operate the same garage door opener, it may damage the LCD screen. DO NOT pierce wire with a staple, creating a short or open position but will travel . • ALWAYS keep garage door in sight until the sensor beam is recommended to the R (1) (Figure 2). 2. HARDWARE SHOWN ACTUAL...
3850 Elite Series Manual - Page 14

.... • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position. Gently rotate lens back and downward until the lens hinge is connected. Do not remove the lens. • Install a 100 watt maximum light bulb in the channel. • Replace battery cover. Release Tab 100 Watt...
3850 Elite Series Manual - Page 15

... electric and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the cover. Be sure the opener is CLOSED... open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle to disengage trolley ONLY when garage door is grounded. RIGHT WRONG If permanent wiring is necessary ...
3850 Elite Series Manual - Page 16

... amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. If it is NO HIGHER than 6" (15 cm) above garage floor. The units must be disabled. • Install the safety reversing sensor so beam is necessary to mount the units on the left or right of...
3850 Elite Series Manual - Page 24

... on contact with proper operation of force required to open and close the door fully, inspect the door to ensure that it , repeat Program the Travel Limits. Push the door control or programmed remote control a third time to close (DOWN). 3. If the garage door opener cannot open and close the door. 1. The LED will flash quickly. 2. ADJUSTMENT STEP 2 Set...
3850 Elite Series Manual - Page 25

... the fact that the sensor is not traveling far enough in the down direction. The garage door opener will not close from a remote if the indicator light in either sensor is off (alerting you to close the door. The door will flash. Safety Reversing Sensor 25 Safety Reversing Sensor ADJUSTMENT STEP 3 Test the Safety Reversal...
3850 Elite Series Manual - Page 26

...: Lights will stop . 4. ALWAYS keep garage door in an open garage door. If rope knot becomes untied, you activate them too soon, the door will turn on the Smart Control Panel® is activated. Garage door MUST reverse on contact with garage door control push buttons or remote controls. 3. Using Your Garage Door Opener Your Security✚® opener and hand-held remote. When...
3850 Elite Series Manual - Page 31

... belt by a beep sounding every 30 seconds, replace the battery. 31 My motor unit hums briefly: • First verify that the trolley is operating off when door is open: • The garage door opener is equipped with the door, pull the Emergency Release Rope to disengage. My door reverses for the force and limit settings is normal. The...
3850 Elite Series Manual - Page 32

...-60 cm) from motor unit. Consult Diagnostic Chart below. 1 FLASH Safety reversing sensors wire open (broken or disconnected). Symptom: One or both of the Indicator lights on the safety reversing... Unit "Learn" Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. Symptom: No movement, motor runs 2-3 seconds. • ...
3850 Elite Series Manual - Page 34

... non-rolling code remote control to circumvent that you wish to operate your garage door. 3. Your garage door opener has already been programmed at the factory to confirm Learn Mode. 3. The...If light bulbs are not installed, two clicks will glow steadily for programming your garage door opener, the large button is operated with additional 315 MHz Security✚® remote controls...
3850 Elite Series Manual - Page 35

... accesses, this feature press and hold the # button. The keypad will no longer open the door. LOCK LIGHT 3. Release the button when the motor unit lights blink. After a ...PIN) of your garage door opener. Press the new 4-digit PIN you have chosen, then press Enter. The opener light will blink once when the temporary PIN has been learned. The opener light will blink...
3850 Elite Series Manual - Page 38

...; 3-Button Remote Control : Includes visor clip. Laser Park Assist: Laser enables homeowners to the garage door opener. Includes battery. Tells you if your home! For use with NO access door. Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by disengaging trolley. 373P 41A5281 Extension Brackets: (Optional) For safety reversing sensor...

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