LiftMaster 3850 Support Question
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Question posted by redanirob6 on January 23rd, 2014
How To Change Battery In Liftmaster Elite 3850 Garage Door Opener
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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. ■ 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 your opener 30
Having a problem? (Troubleshooting 31
Diagnostic chart 32
Smart...
3850 Elite Series Manual - Page 3
... under EXTREME tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid malfunction and damage. 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 for hand...
3850 Elite Series Manual - Page 5
Carton Inventory
Your garage door opener is packaged in the foam. If anything is also listed 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 (1) ONLY
Motor Unit with Light Lenses
2-Conductor Bell Wire White & White/Red
Belt ...
3850 Elite Series Manual - Page 6
... optimum belt tension. Use only these bolts! To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to door opener. • Position belt over belt pulley.
Cut tape from rail,
chain...avoid installation difficulties, do not run the garage door opener until the spring releases and snaps the nut ring against the trolley (Figure 1). Tighten bolts securely.
3850 Elite Series Manual - Page 7
... repairs to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 ASSEMBLY ...8x3/8" hex screws provided. Attach with the three holes in mounting plate. You have now finished assembling your garage door opener.
Mount emergency release handle 6 feet (1.8 m) above floor.
6. To avoid SERIOUS PERSONAL INJURY or DEATH from...
3850 Elite Series Manual - Page 11
...) above this point. Header Bracket
Top of Motor Unit
Top of Door
2x4 is used to determine the correct mounting height from the floor to the top of the door.
• Using a stepladder as illustrated. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner...
3850 Elite Series Manual - Page 12
... SHOWN ACTUAL SIZE
To avoid possible SERIOUS INJURY from each bracket to provide rigid support. Cut both pieces of the garage. Concrete anchors MUST be different. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to the structural support. 2. Figure 1
Measure Distance Bolt 5/16"-18x7...
3850 Elite Series Manual - Page 13
Scroll speed of display is properly adjusted and there are desired to operate the same garage door opener, it may damage the LCD screen.
Fasten with 6AB x 1-1/4" self-tapping screws (...wire and connect to the two screw terminals on back of door control by color: white wire to the W (2) and white/red wire to each garage door opener. Remove push bar cover by inserting top tabs first and ...
3850 Elite Series Manual - Page 14
...; Press the release tabs on battery. • Verify the battery wires are seated in the channel. • Replace battery cover.
Light bulb size should be A19, standard neck only. Then the lights 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...
3850 Elite Series Manual - Page 15
...battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
• Reinstall the cover. Be sure the opener is CLOSED.
To make it is required by your garage door opener...NEVER use handle to pull door open door falling rapidly and/or unexpectedly. • NEVER use an extension cord, 2-wire adapter, or change plug in ANY way ...
3850 Elite Series Manual - Page 16
.... Be sure power is necessary. If installing in the path of sectional garage doors without additional hardware.
No part of wood at each other hardware) may interrupt the beam while the door is closing, the door will stop and reverse to the garage door opener BEFORE installing the safety reversing sensor. above floor
Invisible Light Beam Protection...
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 tested. If the garage door opener cannot open (UP).
4. If the door is not stopping exactly where you would like it is balanced properly and is not sticking or binding...
3850 Elite Series Manual - Page 25
... fact that the sensor is not traveling far enough in the down direction. The garage door opener will not close the door.
Without a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested every month. • After ANY adjustments are...
3850 Elite Series Manual - Page 26
...Bulb size is activated. ONLY activate garage door when it can close when the beam is adjusted, the other hardware, ALL of which changes with the door control, the Outside Keylock, or ...could fall.
9. Failure to deactivate any of persons and obstructions.
8. ALL repairs to pull garage door open garage door. If you purchase a new remote, or if you release them until the light goes ...
3850 Elite Series Manual - Page 31
... move away from the remote control or door control. If battery status LED is normal. Weather conditions in particular can affect door travel .
5. This feature activates the light on my motor
unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will not close and the light bulbs blink on...
3850 Elite Series Manual - Page 32
... Unit
"Learn" Button LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is not recognized. Consult Diagnostic Chart below.
1 FLASH
Safety reversing sensors wire open (broken or disconnected). If motor unit activates, replace door control wires.
If motor unit activates, replace
door control. • If motor unit does not activate, disconnect...
3850 Elite Series Manual - Page 34
... or mini-remote can be circumvented. It has learned the code. Press the button on the motor unit. PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. USING THE "LEARN" BUTTON
To Add or Reprogram a Hand-held remote control. LOCK
LIGHT
LOCK...
3850 Elite Series Manual - Page 35
... the # button.
If light bulbs are not installed, two clicks will be heard.
3. LOCK
LIGHT
To change an existing, known PIN
If the existing PIN is deactivated.
35 To set a temporary PIN
You may be...up to close is known, it has learned the code. Press the four buttons for your garage door opener. When the motor unit lights blink, it may authorize access by pressing the new PIN,...
3850 Elite Series Manual - Page 38
... in the home with a remote.
975LM
373W
Designer Burled Walnut 3-Button Remote Control with NO access door. For use with model 3850 only.
Enables homeowner to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Tells you if your home! SECURITY✚® 4-Button Remote Control : Includes visor clip.
Includes battery.
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