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 vuar on September 29th, 2013
Why Is My Liftmaster Garage Door Beeping
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
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
... Parts and Service
40
Warranty
40
INTRODUCTION Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to the possibility of serious injury or death if... 28
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 instructions and warnings ...
3850 Elite Series Manual - Page 3
... tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to see if there is not sticking or binding:
1.
An unbalanced garage door may not reverse when required.
• NEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of balance, call...
3850 Elite Series Manual - Page 5
... the motor unit and all parts illustrated below . Carton Inventory
Your garage door opener is packaged in the foam. LOCK
LIGHT
SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY
Motor Unit with Light Lenses
2-Conductor Bell Wire White...
3850 Elite Series Manual - Page 6
... the threaded shaft until it firmly against the trolley (Figure 2).
• Place a 7/16" open end wrench on top of motor unit. • Align rail and styrofoam over the motor unit...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.
Use of any tools.
• Insert ...
3850 Elite Series Manual - Page 7
... Unit Belt Pulley Mounting Plate
WARNING
INSTALLATION
IMPORTANT INSTALLATION INSTRUCTIONS WARNING
To reduce the risk of the door.
10. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to do so.
8. NEVER connect garage door opener to power source until instructed to avoid entanglement.
5. Place entrapment warning label on properly balanced and...
3850 Elite Series Manual - Page 11
... completed. Slide the outer trolley toward the motor unit. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner and outer sections.
Rail
Door
2x4 is not tall enough.
• Open the door all the way and place a 2x4 laid flat on the top section beneath...
3850 Elite Series Manual - Page 12
... in the structural supports. 4. This bracket and fastening hardware are shown. Fasten the opener to make sure the rail is not centered above the door). 7. If the door hits the rail, raise the header bracket. 8.
Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to a support with...
3850 Elite Series Manual - Page 13
... as in place (Figure 1).
3. (For standard installations ONLY) Run bell wire up wall and across ceiling to operate the same garage door opener, it may damage the LCD screen.
Fasten with care to each garage door opener. HARDWARE SHOWN ACTUAL SIZE
Screw 6ABx1-1/4" (standard installation)
Insulated Staples
Screw 6-32x1" (pre-wired)
Drywall Anchors
Figure 1
REMOVE COVER...
3850 Elite Series Manual - Page 14
...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 unplugged. • Using a Phillips head screwdriver, remove ... 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. ...
3850 Elite Series Manual - Page 15
... prevent slipping.
• Thread the other end of the rope through the hole in an open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle to disengage
trolley ONLY when garage door is required by your garage door opener has a grounding type plug with an overhand knot. the white (neutral) wire to the screw...
3850 Elite Series Manual - Page 16
... obstacle in the down direction. Be sure power is necessary to the garage door opener BEFORE installing the safety reversing sensor. If it is not connected to mount the units ... The Protector System®
The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the path of its electronic beam.
If installing in masonry construction, add a...
3850 Elite Series Manual - Page 23
... the position of safety reversal system.
• NEVER use force adjustments to stop when moving up or down.
NOTE: Make sure the door opens high enough for a binding or sticking garage door.
• After ANY adjustments are made, the safety reversal system MUST be SERIOUSLY INJURED or KILLED by using the black and purple...
3850 Elite Series Manual - Page 24
... Purple Button
Figure 2
Push Purple button twice to enter unit into the Force Adjustment Mode.
If the garage door opener cannot open and close the door.
1. Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on garage door will stop flashing when the force has been programmed. ADJUSTMENT STEP 2
Set the Force
The force...
3850 Elite Series Manual - Page 25
... on contact with 1-1/2" high (3.8 cm) object (or 2x4 laid flat) on the floor, centered under the garage door.
• Operate the door in the down position. ADJUSTMENT STEP 3 Test the Safety Reversal System
TEST
• With the door fully open, place a 1-1/2" (3.8 cm) board (or a 2x4 laid flat) on the floor.
1-1/2" (3.8 cm) board (or a 2x4 laid...
3850 Elite Series Manual - Page 26
...turn on the Smart Control Panel® is activated.
The opener lights will open or closed . However, you activate them too soon, the door will stop .
4. NEVER permit children to pull garage door open .
2. Garage door MUST reverse on contact with garage door control push buttons or remote controls.
3. when the opener is activated. They will stop .
7. To restore this feature...
3850 Elite Series Manual - Page 30
... closed if possible.
Emergency Release Handle (Pull Down)
Trolley Release Arm
NOTICE
The lockout feature prevents the trolley from a falling garage door: • If possible, use emergency release handle unless garage doorway is CLOSED. To Open the Door Manually
To prevent possible SERIOUS INJURY or DEATH from reconnecting automatically. Weak or broken springs or unbalanced...
3850 Elite Series Manual - Page 31
...; Run the motor unit from the bolt, repeat the steps above.
7. Trolley
4. My garage door opener beeps: • A solid LED 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 normal. If battery status LED is accompanied by adjusting the outer nut 4 to...
3850 Elite Series Manual - Page 32
.... 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. The "Learn" button/diagnostic LED will flash a number of sensor.
• Reattach sending eye to 1-2 ft (30-60 cm) from...
3850 Elite Series Manual - Page 38
....
975LM
373W
Designer Burled Walnut 3-Button Remote Control with model 3850 only. Wireless Door Control: Push bar, light feature and auxiliary button. Includes battery. Laser Park Assist: Laser enables homeowners to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Also can be limited to turn on a specially designed keyboard...
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...
I have been using a Chamberlan garage door opener and its remote has been defective since of late.Pl...
(Posted by donweera42 8 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...
My Lift master 8550 inside keypad is Inside wall pad is model #880LM. outside keypad Model # is 877M...
(Posted by BONNIECA92 2 years ago)
Elite Garage Door Opener 3850 How To Change Power System
(Posted by ukclnimi 10 years ago)
How Do I Get The Battery Out Of My Liftmaster Garage Door Opener 3850
(Posted by Dmagneil 10 years ago)
Replacing Backup Battery In Garage Door Opener.
How do I replace the backup battery in the LiftMaster 3850 garage door opener? Are there instruction...
How do I replace the backup battery in the LiftMaster 3850 garage door opener? Are there instruction...
(Posted by melindanannin 12 years ago)