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LiftMaster 3850 Support Question

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Question posted by LETcynd on December 7th, 2013

Garage Door Opener Will Not Close It Says Power Restored

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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

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

..., or is out of which are under EXTREME tension. • Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid entanglement. Release the door. An unbalanced garage door may not reverse when required. • NEVER try to avoid malfunction and damage. To prevent possible SERIOUS INJURY or DEATH...

3850 Elite Series Manual - Page 5

Carton Inventory Your garage door opener is packaged in the foam. If anything is also listed below . Hardware for installation is missing, carefully check the packing material. 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✚®...

3850 Elite Series Manual - Page 6

... mounted on the square end. Tighten bolts securely. ASSEMBLY STEP 1 Attach the Rail to 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). Cut tape from rail, chain and styrofoam. • REMOVE STYROFOAM. • Insert...

3850 Elite Series Manual - Page 7

... INJURY or DEATH from moving parts of SEVERE INJURY or DEATH: 1. NEVER connect garage door opener to power source until instructed to avoid entanglement. 5. To avoid possible SERIOUS INJURY to garage door control. 11. Install wall-mounted garage door control: • within sight of the garage door. • out of reach of children at minimum height of 5 feet (1.5 m). •...

3850 Elite Series Manual - Page 11

..., measure the distance from the floor to the top of the door. • Using a stepladder as illustrated. You will need help at this point. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid flat is completed. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect...

3850 Elite Series Manual - Page 12

...the distance from a falling garage door opener, fasten it SECURELY to the hanging brackets with 5/16"-18x1-7/8" lag screws. 5. Attach one end of the garage. Fasten the opener to structural supports of each...installing ANY brackets into masonry. Check to opener at this time. NOTE: DO NOT connect power to make sure the rail is centered over the door (or in the structural supports. 4....

3850 Elite Series Manual - Page 13

... terminals on screw head and slide down to a single gang box (Figure 1). DO NOT connect power and operate the opener at lower temperatures although the door control remains fully functional. To prevent possible SERIOUS INJURY or DEATH from a closing garage door. Strip 7/16" (11 mm) of insulation from one 398LM can be mounted to secure. Adjust...

3850 Elite Series Manual - Page 14

...motor unit with terminals facing out. • Connect the red (+) and black (-) wires from motor unit to the opener: • DO NOT use bulbs larger than 100W. • ONLY use A19 size bulbs. Release Tab 100 ... 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 connected.

3850 Elite Series Manual - Page 15

... (1.8 m) above the floor. To avoid installation difficulties, do not run the opener 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 maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the cover. the white...

3850 Elite Series Manual - Page 16

...garage door opener BEFORE installing the safety reversing sensor. The invisible light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle in masonry if repositioning is closing garage door... installed inside the garage. Be sure power is necessary to mount the units on the left or right of sectional garage doors without additional hardware...

3850 Elite Series Manual - Page 24

..., up and down, in order for a binding or sticking garage door. • After ANY adjustments are made, the safety reversal system MUST be set properly. The door will flash quickly. 2. The LED will interfere with proper operation of force required to compensate for the force to close the door (DOWN). If the garage door opener cannot open and close (DOWN). 3.

3850 Elite Series Manual - Page 25

...) object (or 2x4 laid flat) on striking the obstruction. Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force. The garage door opener will flash. If the opener closes the door when the safety reversing sensor is misaligned or obstructed). Without a properly installed safety reversal system, persons (particularly small children) could be tested. The...

3850 Elite Series Manual - Page 26

... size is complete. If closing , the door will blink for 10 seconds until the door starts to garage door opener BEFORE making ANY repairs or removing covers. 15. when power is initially plugged in; WARNING OPERATION IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of children. ONLY activate garage door when it is broken. To restore this feature may cause...

3850 Elite Series Manual - Page 30

If it is unbalanced or binding, call a trained door systems technician. • Check to disengage trolley ONLY when garage door is clear of Your Opener MAINTENANCE SCHEDULE Once a Month • Manually operate door. The opener does not require additional lubrication. The door should be sure door opens & closes fully. To disengage the lockout feature, pull the handle straight down on the...

3850 Elite Series Manual - Page 31

...door: • Verify your door, check diagnostic LED for no apparent reason after fully closing and touching the floor: Repeat safety reverse test after adjustments to force or travel . • Refer to the Diagnostic Chart on when the power is restored...aligned correctly before the garage door opener will not turn off of any binding problems. • Refer to a closed position. • ...

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 operate it has learned the code...

3850 Elite Series Manual - Page 35

... at the factory. Press the four buttons for your garage door opener. The opener light will blink once when the PIN has been learned. The motor unit lights will blink twice. Release the button. 4. To set the number of times this temporary PIN will be closed by pressing only the ENTER button if the one...

3850 Elite Series Manual - Page 38

... to open or closed. Enables homeowner to precisely park vehicles in the home with a remote. 975LM 373W Designer Burled Walnut 3-Button Remote Control with SECURITY✚® : Includes visor clip. 990LM SECURITY✚® 3-Button Remote Control : Includes visor clip. EverCharge® Standby Power System: Provides backup power to protect LiftMaster® garage door openers...