Get support for LiftMaster 3800

LiftMaster 3800 Support Question

LiftMaster 3800 Support Question

Find answers below for this question about LiftMaster 3800.
Need a LiftMaster 3800 manual? We have 1 online manual for this item!
Question posted by Boostednorm on November 15th, 2012

Control Panel Lcd Screen Light

When first installed the control panel would light allowing you to see the time and temp alternating. It now is off and I can't find any information in the manual that its even supposed to light up.

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 3800 Manual Pages

3800 Manual - Page 1

...174; GARAGE DOOR OPENER Model 3800 For Residential Sectional Doors With Torsion Assemblies Only Com Details The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com patible with See Page 13 for Owner's Manual ■ Please read this manual and the enclosed safety materials carefully! ■ Fasten the manual near the garage door after installation. ■...
3800 Manual - Page 2

... Test The Protector System 19 Test cable tension monitor 20 Test power door lock 20 To open door manually 20 Operation 21-25 Operation safety instructions 21 Using your garage door opener 21 Using the wall-mounted control console 22 Care of your garage WARNING door and/or the garage door opener if you do not comply with the warnings that accompany it...
3800 Manual - Page 4

... remain equal during the entire travel of door. If your garage door is balanced and is not sticking or binding: 1. CAUTION 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...
3800 Manual - Page 5

...LIGHT LCD Motion Detecting Door Control Console Remote Control Visor Clip SECURITY✚® 3-Button Remote Control (1) Remote Light with Hardware Bag 2-Conductor Bell Wire White & White/Red Power Door... and Literature Hardware Inventory INSTALLATION HARDWARE Hex Screw #14-10x1...Door) 5 Note that accessories will depend on the model purchased. Carton Inventory Your garage door opener...
3800 Manual - Page 6

... to secure collar to the motor unit (12-14 ft./lbs. NOTE: For most installations the screws should be facing up (accessible when attached to the torsion bar). •...run the garage door opener until stop is reached (Figure 1). • Position the collar so that the screws are for easy access. ASSEMBLY STEP 1 Attach the Collar to the Motor Unit To avoid installation difficulties, ...
3800 Manual - Page 7

... manual release/safety reverse test label in a door roller. Tighten all mounting bracket hardware. NEVER connect garage door opener to power source until pilot holes align with collar over the torsion bar until instructed to help assure proper alignment of SEVERE INJURY or DEATH: 1. Door MUST reverse on inside of torque. Slide the opener with bracket. WARNING INSTALLATION...
3800 Manual - Page 9

... side of the cable tension monitor. 1. NOTE: There must be no slack in place and reassemble it can be connected and properly installed before the garage door opener will reverse the door when excessive slack is no obstructions in the hardware bag. 3. Attach the cable tension monitor to monitor the cables for ANY slack that...
3800 Manual - Page 10

... garage door. WARNING WARNING INSTALCLATUITOINOSNTEP 5 Install the Control Console Locate control console within sight of garage door, out of reach of children at a minimum height of 5 feet (1.5 m) and away from ALL moving parts of door and door hardware. If additional wall controls are desired to operate the same garage door opener, it can be connected to each garage door opener...
3800 Manual - Page 12

...connected to the opener, and disconnect power to circuit BEFORE removing cover to install the proper outlet. Be sure the opener is required by your garage door opener has a grounding...; Install a 90o conduit or flex cable adapter to the following procedure. INSTAWLLAARTINOINNGSTEP 7 Electrical Requirements CAUTION To avoid installation difficulties, do not run the opener at this time. If...
3800 Manual - Page 14

... garage door (door tracks, springs, hinges, rollers or other across the door, no more than 6" (15 cm) above floor The units must be installed inside the garage 14 Safety Reversing Sensor 6" (15 cm) max. Either can be disabled. • Install the safety reversing sensor so beam is not connected to full open position, and the opener lights will flash 10 times...
3800 Manual - Page 18

... Adjustment Mode (Figure 2). Push the remote control or control console again, the door will travel to insure that it is balanced properly and is not sticking or binding. The LED (Indicator Light) will flash quickly. 3. See page 4, "Preparing your door to the UP (open and close your door fully, inspect your garage door." Door MUST reverse on contact with proper...
3800 Manual - Page 19

..., do not operate the door. The door will not move more than an inch, and the opener lights will not close from a remote if the indicator light in the path of the opener. WARNING Without a properly installed safety reversal system, persons CAUTION (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system...
3800 Manual - Page 21

... correctly installed and aligned): 1. See Programming. When the opener is turned OFF. If closing , the door will blink for 10 seconds and the incandescent light bulbs will close . 5. If opening cycle. If the door has been stopped in the opening , the door will open , the door will blink once signifying the feature is activated (with several Security✚® remote controls...
3800 Manual - Page 24

... the operator is a new installation. See Adjustment Step 2. For an existing installation, see Adjustment Step 1). 14. The door reverses for this solves the problem, the door control is faulty (replace), or there is unbalanced or binding, call a trained door systems technician. 11. The opener motor hums briefly, then won't work: • The garage door springs may be out of...
3800 Manual - Page 25

... replace door control wires. Installed Safety Reversing Sensor Your garage door opener is firmly secured to wall and does not move. Symptom: Sending indicator light glows steadily, receiving indicator light is dim..., replace door control. • If motor unit does not activate, disconnect door control wires from back each of times then pause signifying it is still flashing 5 times and motor...
3800 Manual - Page 26

... heard. LOCK LIGHT LOCK LIGHT To Erase All Codes From Motor Unit Memory To deactivate any Security✚® 3-Button remote or mini-remote can be circumvented. All previous codes are not installed, two clicks will be programmed to operate your garage door. 4. Press the button on the LCD/Motion Detecting Control Console. 2. Your garage door opener has already been...
3800 Manual - Page 27

... are not installed, two clicks will open the door. Press the four buttons for 10 seconds. Release the button. 3. To set a temporary PIN You may be changed by pressing the four buttons for your garage door opener. The keypad will no longer open door, press the number of your choice on the LCD/Motion Detecting Control Console. LOCK LIGHT 2. Enter a four...
3800 Manual - Page 28

... . 28 Activate the garage door using the hand-held remote, wall control or keyless entry. 3. Any additional or replacement remote work light has already been programmed at the factory to be programmed. 1. It has learned the code and the light turns on light until LED comes ON. 2. Reprogramming Light or Additional Light Your garage door opener remote work lights will need to...
3800 Manual - Page 31

... homes with Security✚®: Enables homeowner to operate garage door opener from anywhere in their garage door opener remote or from the control panel. This temporary password can add a temporary password for homes with an additional LiftMaster Security✚® remote. 378LM Wireless Door Control: Push bar, light feature and auxiliary button. Includes battery. Also can...
3800 Manual - Page 32

...installation, operation, maintenance and testing. You will be advised of this product is free from defect in your area. Some States do not allow...UNIT, REPLACEMENT OF BATTERIES AND LIGHT BULBS OR UNITS INSTALLED FOR NON-RESIDENTIAL USE. ... Tucson, Arizona 85706 SERVICE INFORMATION TOLL FREE NUMBER: 1-800-528-9131 LIFTMASTER® GARAGE DOOR OPENER FIVE-YEAR LIMITED WARRANTY LIFETIME...

Similar Questions

I Have Installed A Chamberlan Garage Door Opener And The Remote I Was Using Is
I have been using a Chamberlan garage door opener and its remote has been defective since of late.Pl...
(Posted by donweera42 7 months ago)
Garage Door Opens After Shutting.
My Lift master 8550 inside keypad is Inside wall pad is model #880LM. outside keypad Model # is 877M...
(Posted by BONNIECA92 2 years ago)
Can You Use A Std Door Bell Switch For A Seconddary Door Opener Switch
SECOND SEPERATE DOOR BUTTON FOR A LIFTMASTER 3800
(Posted by gbobko92 11 years ago)
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 3800 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.