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LiftMaster 3850 Support Question

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Question posted by MUmit on December 29th, 2013

My Lights Turn Off When The Garage Door Is Open

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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

...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 warnings that accompany...

3850 Elite Series Manual - Page 3

... SERIOUS INJURY or DEATH: • ALWAYS 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 loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of balance. Lift the...

3850 Elite Series Manual - Page 5

... anything is also listed below . Carton Inventory Your garage door opener is packaged in the foam. Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below . LOCK LIGHT SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console SECURITY✚® 3-Button Remote Control Models 3850 (1) 3850-267 (2) SECURITY✚® Keyless Entry Model...

3850 Elite Series Manual - Page 6

...on top of motor unit. • Align rail and styrofoam over the motor unit belt pulley. Rotate about 1/4 turn until the spring releases and snaps the nut ring against the trolley (Figure 1). Use only these bolts! Figure 1...the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed to opener, ONLY use any other bolts will cause serious damage to...

3850 Elite Series Manual - Page 11

... to determine the correct mounting height from the floor to the top of the motor unit. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid flat is convenient for setting an ideal door-to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to this height. • The top of the...

3850 Elite Series Manual - Page 13

...COVER REPLACE COVER 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-Connect Terminals...additional wall controls are desired to operate the same garage door opener, it is properly adjusted and there are no obstructions to door travel to cross path of bell wire. Adjust ...

3850 Elite Series Manual - Page 14

.... • Connect the red (+) and black (-) wires from motor unit to close the lens. • Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in each socket. The lights will turn ON and remain lit for replacement. ALWAYS wear protective gloves and eye protection when changing the battery or working...

3850 Elite Series Manual - Page 15

...codes. • NEVER use emergency release handle to pull door open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage doorway is clear of electric shock, your local code, ... knot. the white (neutral) wire to make it is required by your garage door opener has a grounding type plug with a match or lighter to avoid entanglement. INSTALLATION...

3850 Elite Series Manual - Page 16

... floor Invisible Light Beam Protection Area Facing the door from a closing , the door will stop and reverse to clip onto the track of sectional garage doors without additional hardware. above the floor. INSTALLATION STEP 11 Install The Protector System® The safety reversing sensor must be connected and aligned correctly before the garage door opener will detect an...

3850 Elite Series Manual - Page 24

...Figure 3 or LOCK LIGHT 24 Push the door control or programmed remote control again. Push the door control or programmed remote control. Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Too much force on garage door will open (UP). 4. Push the door control or programmed remote...

3850 Elite Series Manual - Page 25

... (or a 2x4 laid flat) ADJUSTMENT STEP 4 Test The Protector System® • Press the remote control push button to close from a remote if the indicator light in the down position. The garage door opener will not close the door. Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force. NOTE: On a sectional...

3850 Elite Series Manual - Page 26

...) is activated. When the opener is activated (with the opener lights on, then press and hold the light button for 10 seconds until the light goes on the Smart Control ... too soon, the door will stop . 4. Your opener will turn on when someone walks through the open garage door. ALWAYS disconnect electric power to disengage trolley ONLY when garage door is properly adjusted,...

3850 Elite Series Manual - Page 27

.... Motion Sensing Press again to reverse the On/Off door during the closing cycle or to stop the door Prog while it detects a Language Degrees (F/C) LOCK person entering the garage. (PROG) Learn Feature The door control is reset to turn the opener light on the light when it 's opening. This door control contains a motion Hour Minute sensing detector that you...

3850 Elite Series Manual - Page 28

... programmed to recalibrate itself. To replace the batteries, remove the two screws and open the remote control housing. Proximity Disable Feature The remote control will turn off but the door should turn on or off the proximity lighting feature if the proximity lighting is disabled by pressing a button. The 3V2450 lithium battery for 3 seconds. Troubleshooting PROBLEM...

3850 Elite Series Manual - Page 31

...the garage door opener will not activate the door: • Verify your door, check diagnostic LED for Using the Door Control. • Reprogram remotes following page. My door will not close and the light ... 5 turns. Refer to force or travel towards the door and stop bolt. • Release the door from the opener by pulling the Emergency Release Rope. • Manually bring the door to ...

3850 Elite Series Manual - Page 32

... the indicator lights glow replace the wires for a short (staple in wire), replace as needed . • Disconnect wires at door control, touch wires together. 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...

3850 Elite Series Manual - Page 34

...Press the PROG button on the motor unit. LOCK LIGHT LOCK LIGHT 4. PROGRAMMING NOTICE: If this Security✚® garage door opener is factory programmed to operate your garage door. 3. Press the PROG button again to operate your garage door. Your garage door opener has already been programmed at the factory to use. 1. If light bulbs are now erased. Reprogram each remote or...

3850 Elite Series Manual - Page 35

... close is already mounted outside the garage. 1. Release the # button. 2. The motor unit lights will blink twice. OR 3. LOCK LIGHT 3. The opener light will blink once when the PIN has... been activated at the factory. Then press enter. Press the four buttons for your garage door opener. Then press and hold buttons 1 and 9 for the temporary PIN, then press Enter...

3850 Elite Series Manual - Page 38

... Light Control : Enables homeowner to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. ACCESSORIES 1702LM Outside Quick Release: Required for visitors or service persons. Also can be limited to precisely park vehicles in the home with a remote. 975LM 373W Designer Burled Walnut 3-Button Remote Control with model 3850...