LiftMaster 3850 Support and Manuals

Get Help and Manuals for this LiftMaster item

View All Support Options Below
Free LiftMaster 3850 manuals!
Problems with LiftMaster 3850?

Ask a Question

Most Recent LiftMaster 3850 Questions

Where Can I Find Serial Number For Hbw0777
Where can I find serial number for HBW0777?
(Posted by gatsie2 1 year ago)
Door Opening Problem
When I use the 3850 door opener, the garage door only opens about 6" then closes. When Ibhit the but...
(Posted by Ajdettbarn 1 year ago)
Door Does Not Stay Closed
Model 3850P Door opens as soon as it reaches the ground. Safety sensors are good. Door closes softly...
(Posted by Tony52691 1 year ago)
Find Belt Part #
I can't find belt numbert for 41A5685 my liftmaster garage door Modelo is 3850P-26
(Posted by rafaelcamarillo2277 2 years ago)
Door Won't Close. Trolley At Stop Bolt. Only Travels Away From Door Now.
Door traveled too far up into the stop bolt. I released the emergency release as recommended. Loosen...
(Posted by Crdg2011 2 years ago)

LiftMaster 3850 Videos

LiftMaster 3850 Battery Backup Demo During a Thunderstorm
Duration: 5:42
Total Views: 2,959
Naperville Garage Door Installs LiftMaster 3850
Duration: :32
Total Views: 392
RCS Liftmaster 3850 Commercial.wmv
Duration: :16
Total Views: 191

Popular 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 WILL NOT CLOSE...
3850 Elite Series Manual - Page 2

...Program the travel limits 23 Set the force 24 Test the safety reversal system 25 Test the Protector System 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...
3850 Elite Series Manual - Page 5

... the model purchased. 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 3850-267...
3850 Elite Series Manual - Page 7

... may not reverse when required and could be made by a trained door systems technician BEFORE installing opener. 4. NEVER connect garage door opener to power source until instructed to the installation section. ALL repairs to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 They could result in SEVERE INJURY or DEATH...
3850 Elite Series Manual - Page 8

... 2x4 OPTIONAL CEILING MOUNT FOR HEADER BRACKET Structural Supports Level (optional) Installation procedures vary according to page 9 for sectional door and one-piece door with horizontal track Header Wall 8" (20 cm) Door Highest Point of Travel Jamb Hardware Header Wall 8" (20 cm) Highest Point of the garage door. 2. INSTALLATION STEP 1 Determine the Header Bracket Location To...
3850 Elite Series Manual - Page 11

... the top section or panel hits the trolley when you raise the door, pull down on top section of door. Slide the outer trolley toward the motor unit. INSTALLATION STEP 4 Position the Opener Follow instructions which apply to your door type as a support, raise the top of the opener to this point. The trolley can remain disconnected until...
3850 Elite Series Manual - Page 12

..."-18 12 Remove the 2x4. INSTALLATION STEP 5 Hang the Opener Three representative installations are not provided. 1. Hanging brackets should be angled (Figure 1) to the hanging brackets with rail grease. Fasten the opener to provide rigid support. Check to a support with the header bracket if the bracket is not centered above the door). 7. Operate the door manually. HARDWARE...
3850 Elite Series Manual - Page 23

... clearance. Push the door control or programmed remote control. Immediately when the door begins to close ) limit and the door should open ) position. Push and hold the black button until the door reaches the desired DOWN (closed) position. 6. Black moves the door UP (open ) limit and begins closing garage door. • Incorrect adjustment of garage door travel limits will interfere...
3850 Elite Series Manual - Page 24

... that it , repeat Program the Travel Limits. If the garage door opener cannot open and close the door (DOWN). The door must 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 tested. The door will open and close (DOWN). 3. ADJUSTMENT STEP 2 Set the Force The force...
3850 Elite Series Manual - Page 25

... the door. • Press the remote control push button to the fact that the sensor is obstructed (and the sensors are made, the safety reversal system MUST be SERIOUSLY INJURED or KILLED by a closing garage door. If the opener closes the door when the safety reversing sensor is misaligned or obstructed). Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set...
3850 Elite Series Manual - Page 26

... will open garage door. The opener lights will close from a hand-held remote control have been factory-set to door travel. 4. ALWAYS keep garage door in ; Security✚® light feature: Lights will stop . 4. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS. 2. WARNING OPERATION IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of children. See Programming. If...
3850 Elite Series Manual - Page 31

... "Learn" Button LED or Diagnostic LED Receiving Eye Safety Reversing Sensor (Green Indicator Light) 3. The trolley should travel . • Refer to Operation section; My garage door opener beeps: • A solid LED with a security light feature. Having a Problem (Troubleshooting) NOTE: Always unplug battery prior to Adjustment Step 2, Setting the force. • Run the motor unit from the...
3850 Elite Series Manual - Page 32

... continues to be replaced. 32 The "Learn" button/diagnostic LED will flash a number of sensor. • Reattach sending eye to 1-2 ft (30-60 cm) from motor unit. 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...
3850 Elite Series Manual - Page 38

... homeowner to operate garage door opener from outside by adding additional sensor modules. 485LM 395LM Remote Light Control : Enables homeowner to 4 garage doors by entering a password on a lamp, television or other appliance from lightning and power surges. 38 EverCharge® Standby Power System: Provides backup power to protect LiftMaster® garage door openers against damage...
3850 Elite Series Manual - Page 40

... NUMBER: 1-800-528-9131 www.liftmaster.com For professional installation, parts and service, contact your area. The proper operation of purchase and that the motor and belt are confirmed to be repaired or replaced (at Seller's sole option) at no cost to comply strictly with new or factory-rebuilt parts at prevailing prices and you call. Failure to...

LiftMaster 3850 Reviews

Do you have an experience with the LiftMaster 3850 that you would like to share?
Earn 750 points for your review!
We have not received any reviews for LiftMaster yet.

Popular LiftMaster 3850 Search Terms

The following terms are frequently used to search for LiftMaster 3850 support:

Ask a New Question
Use the box below to post a new question about LiftMaster 3850.
Manuals / Documents
Download any of our LiftMaster 3850 manuals for free!

We have the following 1 documents available for the LiftMaster 3850:
  • 3850 Elite Series Manual
Related Items
View other LiftMaster Garage Door Openers:

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 3850 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.