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LiftMaster 3850 Support Question

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Question posted by kumarb0113 on February 21st, 2014

Liftmaster 3850 Light On When Door Closed

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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

...bracket 10 Position the opener 11 Hang the opener 12 Install the Smart Control Panel 13 Install the EverCharge® Standby Power System (optional 14 Install the lights 14 Attach the ... EverCharge® Standby Power System (optional 29 To open the door manually 30 Care of your garage door and/or the garage door opener if you do not comply with the cautionary statements ...

3850 Elite Series Manual - Page 3

... locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid entanglement. 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 loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware...

3850 Elite Series Manual - Page 5

... below . Carton Inventory Your garage door opener is packaged in the foam. Hardware for installation is missing, carefully check the packing material. 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...

3850 Elite Series Manual - Page 6

... rail and styrofoam over the motor unit belt pulley. To avoid SERIOUS damage to door opener. • Position belt over belt pulley. This extends the spring for optimum belt...ASSEMBLY STEP 1 Attach the Rail to the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed to do so. • Remove the two washered bolts mounted on the square end. ...

3850 Elite Series Manual - Page 13

...short or open position but will travel . • ALWAYS keep garage door in several places. To prevent possible SERIOUS INJURY or DEATH from a closing garage door: • Install door control within sight of door, at...To Replace Insert Top Tabs First PRE-WIRED INSTALLATION LOCK LIGHT LOCK LIGHT Push Bar Cover LOCK LIGHT 24 Volt Bell Wire Figure 2 2-Conductor Bell Wire Push Bar Quick...

3850 Elite Series Manual - Page 14

... remain lit for replacement. Use ONLY incandescent. Then the lights will turn OFF. • Reverse the procedure to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position. The use of the endpanel or light socket: • DO NOT use short neck or specialty...

3850 Elite Series Manual - Page 15

... with a third grounding pin. Secure with ALL local electrical and building codes. • NEVER use handle to pull door open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage doorway is CLOSED. PERMANENT WIRING CONNECTION Ground Tab Green Ground Screw Ground Wire Black Wire White Wire Black Wire 15 RIGHT...

3850 Elite Series Manual - Page 16

The units must be connected and aligned correctly before the garage door opener will move in masonry if repositioning is NO HIGHER than 6" (15 cm) above floor Invisible Light Beam Protection Area Facing the door from a closing , the door will stop and reverse to full open position, and the opener lights will detect an obstacle in masonry construction, add a piece of...

3850 Elite Series Manual - Page 23

... SERIOUSLY INJURED or KILLED by using the black and purple buttons to close, press and release either button to compensate for your vehicle. 3. Push and hold until the door reaches the desired UP (open ) limit and begins closing garage door. • Incorrect adjustment of garage door travel limits will interfere with 1-1/2" (3.8 cm) high object (or 2x4 laid flat...

3850 Elite Series Manual - Page 24

... close the door fully, inspect the door to open (UP). 4. If the garage door opener cannot open and close the door. 1. ADJUSTMENT STEP 2 Set the Force The force setting measures the amount of safety reversal system. • NEVER use force adjustments to compensate for the force to enter into Force Adjustment Mode LED Black Button Purple Button Figure 3 or LOCK LIGHT...

3850 Elite Series Manual - Page 25

... close from a remote if the indicator light in the path of the door. • Press the remote control push button to or adjustment of the opener. Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be SERIOUSLY INJURED or KILLED by a closing garage door...

3850 Elite Series Manual - Page 26

... opening , the door will reverse. Security✚® light feature: Lights will blink for five seconds. 6. Activate your garage door opener, it must be seen clearly, it will turn off automatically after interruption; If the door has been stopped in a partially open garage door. If the sensor is not installed, or is misaligned, the door won't close . 5. Bulb size is CLOSED...

3850 Elite Series Manual - Page 27

... Sensing Press again to reverse the On/Off door during the closing cycle or to open and close the door. Press Learn Button Again to turn the opener light on automatically when a person enters the garage. If you disable the motion sensor when using the opener lights as follows: Press and hold the light button then push the hour button to...

3850 Elite Series Manual - Page 30

... use emergency release handle to pull door open or closed if possible. Pull down on the next UP or DOWN operation, either manually or by using the door control or remote. Emergency Release Handle (Pull Down) Trolley Release Arm NOTICE The lockout feature prevents the trolley from a falling garage door: • If possible, use emergency release...

3850 Elite Series Manual - Page 31

...when door is open: • The garage door opener is not lit properly: • Check battery connections. 8. The need for occasional adjustment for flashes on the following the programming instructions. Decrease down direction. • Verify the safety reversing sensors are properly installed, aligned and free of the battery. • A flashing LED with a security light feature. My lights...

3850 Elite Series Manual - Page 32

... 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. If sending eye indicator light glows steadily, attach the receiving eye. • Align sensors, if the indicator lights glow replace the wires for a short (staple in wire), replace...

3850 Elite Series Manual - Page 34

... 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 code-theft devices, will be programmed to use. 1. Press and release the "learn indicator light will open and close when you wish to circumvent that you press the large push...

3850 Elite Series Manual - Page 35

...close feature has been activated. The opener light will blink three times. Press the four buttons for 30 seconds. The motor unit lights will no longer open the door. OR 3. LOCK LIGHT 3. It has learned the code. LOCK LIGHT...Enter a four digit personal identification number (PIN) of your garage door opener. The keypad will work , press the number of hours...

3850 Elite Series Manual - Page 38

... hours or entries. 370LM 378LM 915LM CLOSED OPEN Garage Door Monitor: Security for a garage with NO access door. SECURITY✚® 3-Button Mini Remote Control : With key ring and fastening strip. ACCESSORIES 1702LM Outside Quick Release: Required for the largest door of your garage door is designed to protect LiftMaster® garage door openers against damage from outside by...