Get support for LiftMaster 3850

LiftMaster 3850 Support Question

LiftMaster 3850 Support Question

Find answers below for this question about LiftMaster 3850.
Need a LiftMaster 3850 manual? We have 1 online manual for this item!
Question posted by amarnie on November 28th, 2013

Is There A Battery On Wall Unit Of Liftmaster Garage Door Opener

The person who posted this question about this LiftMaster product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.

Current Answers

There are currently no answers that have been posted for this question.
Be the first to post an answer!

Remember that you can earn up to 1,100 points for every answer you submit. The better the quality of your answer, the better chance it has to be accepted.

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 damage to your opener 30 Having a problem? (Troubleshooting 31 Diagnostic chart 32...
3850 Elite Series Manual - Page 3

... 1/2", 5/8", 7/16", 9/16" and 1/4" Wire Cutters Pliers 3 Hack Saw Claw Hammer Screwdriver Adjustable End Wrench 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. If balanced, it should stay in place, supported entirely by its springs. 2.
3850 Elite Series Manual - Page 5

... Lock Washer 5/16" (4) Screw 6ABx1-1/4" (2) Self-Threading Screw 1/4"-14x5/8" (2) Screw 6-32x1" (2) Insulated Staples (10) Ring Fastener (3) Dry Wall Anchors (2) Rope Handle Rail Grease Carriage Bolt 1/4"-20x1/2" (2) Wing Nut 1/4"-20 (2) 5 Carton Inventory Your garage door opener is missing, carefully check the packing material. If anything is packaged in the foam. Accessories will depend on...
3850 Elite Series Manual - Page 6

...the trolley (Figure 1). Use only these bolts! To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. • ... belt tension. ASSEMBLY STEP 1 Attach the Rail to the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed to door opener. • Position belt over belt pulley. Cut tape from rail...
3850 Elite Series Manual - Page 7

... WARNINGS AND INSTRUCTIONS. 2. NEVER connect garage door opener to power source until instructed to the installation section. 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). • away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or...
3850 Elite Series Manual - Page 11

... top of the door. • Using a stepladder as illustrated. To prevent damage to garage door, rest garage door opener rail on 2x4 ...opener to this height. • The top of the door should be level with the top of door. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid flat is completed. Header Bracket Top of Motor Unit Top of Door 2x4 is not tall enough. • Open the door...
3850 Elite Series Manual - Page 12

... 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18 12 This bracket and fastening hardware are shown. Measure the distance from a falling garage door opener, fasten it SECURELY to provide rigid support. Attach one end of the motor unit to the hanging brackets with the header bracket if the bracket is not centered above the...
3850 Elite Series Manual - Page 13

... cannot reach, away from moving parts of door. • NEVER permit children to operate or play with door control push buttons or remote controls. • Activate door ONLY when it can be connected to each garage door opener. NOTE: The functional temperature range of the door control is recommended to motor unit. Use insulated staples to secure wire...
3850 Elite Series Manual - Page 14

... unit. • Partially insert battery into motor unit with terminals facing out. • Connect the red (+) and black (-) wires from motor unit to corresponding terminals on both sides of short neck or speciality light bulbs may overheat the endpanel or light socket. To prevent damage to close the lens. • Use A19, standard neck garage door opener...
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. The opener must be in an open or closed....or DEATH from a falling garage door: • If possible, use emergency release handle unless garage doorway is clear of the motor unit: • Remove the motor unit cover screws and set ...
3850 Elite Series Manual - Page 16

... necessary. No part of the door as long as the wall framing. The units must be securely fastened to avoid drilling extra holes in the down direction. The invisible light beam path must be connected and aligned correctly before the garage door opener will move in masonry if repositioning is closing garage door: • Correctly connect and align...
3850 Elite Series Manual - Page 24

... travel through a complete cycle, 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. If the garage door opener cannot open and close the door. 1. The door will open (UP). 4. ADJUSTMENT STEP 2 Set the Force The force setting measures the amount of safety reversal...
3850 Elite Series Manual - Page 25

...unit continues to the fact that the sensor is not traveling far enough in the down direction. The door will not move more than 1" (2.5 cm), and the opener lights will not close the door. Door...could be SERIOUSLY INJURED or KILLED by a closing garage door. Safety Reversing Sensor 25 Safety Reversing Sensor The garage door opener will flash. Complete Adjustment Steps 1 and 2 ...
3850 Elite Series Manual - Page 26

... in the opening , the door will reverse. Activate your opener with your garage door opener, it can close when the beam is complete. When the opener is properly adjusted, and there are under the following : • The Hand-Held Remote Control: Hold the large push button down until the door starts to move . • The Wall-Mounted Door Control: Hold...
3850 Elite Series Manual - Page 31

... with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the door and is operating off when door is open: • The garage door opener is not lit properly: • Check battery connections. 8. My lights will not close and the light bulbs blink on the motor unit then refer to Adjustment Step 1, Program the Travel Limits. My...
3850 Elite Series Manual - Page 32

... sensors, if the indicator lights glow replace the wires for the sensors. 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. Consult Diagnostic Chart below. 1 FLASH Safety reversing sensors wire...
3850 Elite Series Manual - Page 34

... operate with 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 heard. To Erase All Codes From Motor Unit Memory To deactivate any Security✚® 3-button remote or mini-remote can...
3850 Elite Series Manual - Page 35

... identification number (PIN) of your choice on motor unit. Then press enter. The motor unit lights will blink four times. 3. When the motor unit lights blink, it may authorize access by pressing the...number of accesses, this feature press and hold buttons 1 and 9 for your garage door opener. Press the temporary 4-digit PIN you have chosen, then press Enter. Release ...
3850 Elite Series Manual - Page 38

...: Required for a garage with model 3850 only. Monitors up to 4 garage doors by entering a password on a lamp, television or other appliance from outside by disengaging trolley. 373P 41A5281 Extension Brackets: (Optional) For safety reversing sensor installation onto the wall or floor. 374LM 377LM SECURITY✚® Keyless Entry : Enables homeowner to open or closed. EverCharge...

Similar Questions

Ask a New Question
Use the box below to post a new question about this LiftMaster product .
Points & Prizes
  • You can earn points for nearly everything you do on HelpOwl.com
  • You can trade in those points for gift cards at leading retailers such as Amazon.com and Walmart
  • It's that simple!
See How it Works
Create a Free Account

LiftMaster Manuals

Find free LiftMaster 3850 manuals and user guides available at ManualOwl.com. Try out our unique manual viewer allowing you to interact with manuals from directly within your browser!

LiftMaster Reviews

View thousands of LiftMaster user reviews and customer ratings available at ReviewOwl.com.

Contact Information

Complete LiftMaster customer service contact information including steps to reach representatives, hours of operation, customer support links and more from ContactHelp.com.

Scoreboard Ratings

See detailed LiftMaster customer service rankings, employee comments and much more from our sister site.