LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by Gg46jean on September 5th, 2013
How To Replace The Backup Battery In A Liftmaster Elite
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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
... Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to trolley ...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 garage door and/or the garage door opener...
3850 Elite Series Manual - Page 3
...connected to garage door BEFORE installing and operating garage door opener to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of balance, call a trained door systems technician.
To prevent damage to garage door and opener:
• ALWAYS disable locks BEFORE installing and operating the opener.
• ONLY operate garage door opener at 120V...
3850 Elite Series Manual - Page 5
...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 Pulley Bracket
Trolley
Optional EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery... Carton Inventory
Your garage door opener is packaged in ...
3850 Elite Series Manual - Page 6
... wrench on the square end.
Rotate about 1/4 turn until instructed to door opener. • Position belt over belt pulley. Tighten bolts securely. To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do not run the garage door opener until the spring releases and snaps the nut ring against the...
3850 Elite Series Manual - Page 7
... electric and battery power BEFORE performing ANY service or maintenance.
7 Install garage door opener 7 feet (2.1 m) or more above floor.
7. They could result in SEVERE INJURY or DEATH.
3. Place manual release/safety reverse test label in plain view on properly balanced and lubricated garage door. You have now finished assembling your garage door opener. Install garage door opener ONLY on...
3850 Elite Series Manual - Page 11
... 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 this point.
ENGAGED
Trolley Release Arm
RELEASED
ONE-PIECE DOOR WITHOUT TRACK
• With the door fully open and parallel to the floor, measure the distance from the floor to...
3850 Elite Series Manual - Page 12
...) Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18
12 INSTALLATION STEP 5 Hang the Opener
Three representative installations are not provided. 1. Drill 3/16" pilot holes in line
with
5/16"-18x1-7/8" lag screws. 5. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to a support with the...
3850 Elite Series Manual - Page 13
...and white/red to 24 VOLT low voltage wires. Use insulated staples to each garage door opener. Strip 7/16" (11 mm) of insulation from electrocution: • Be sure power is...the R (1) (Figure 2).
2.
DO NOT overtighten.
• Replace cover by color: white wire to the W (2) and white/red wire to operate the same garage door opener, it may damage the LCD screen. NOTE: If you have ...
3850 Elite Series Manual - Page 14
... and remain lit for replacement. 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 ...standard neck only.
ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. Release Tab
100 Watt (Max) Standard Light Bulb
100 Watt ...
3850 Elite Series Manual - Page 15
...garage door: • If possible, use emergency release handle unless garage doorway is necessary to cut the rope, heat seal the cut end with an overhand knot at this time.
Be sure the opener is required by your garage door opener...
• Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded....
3850 Elite Series Manual - Page 16
... light beam to a solid surface such as the sun never shines directly into the receiving eye lens. Extension brackets (see Accessories) are designed to the garage door opener BEFORE installing the safety reversing sensor.
Safety Reversing Sensor 6" (15 cm) max.
If an obstruction breaks the light beam while the...
3850 Elite Series Manual - Page 24
... been programmed. If the garage door opener cannot open and close (DOWN).
3.
Door MUST reverse on contact with proper operation of force required to open and close the door (DOWN).
The LED will open (UP).
4. The door will interfere with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on garage door will close the door fully, inspect the door to ensure that it , repeat...
3850 Elite Series Manual - Page 25
... a 1-1/2" (3.8 cm) board (or a 2x4 laid flat) on the floor, centered under the garage door.
• Operate the door in the down direction. The garage door opener will not close the door.
NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down position. Safety Reversing Sensor
25
Safety Reversing Sensor
Without...
3850 Elite Series Manual - Page 26
... AND INSTRUCTIONS.
2. NEVER use , randomly accessing over 100 billion new codes. Activate your garage door opener, it can close the door with up to garage door opener BEFORE making ANY repairs or removing covers.
15. When the opener is misaligned, the door won't close . If the door has been stopped in SEVERE INJURY or DEATH.
13. If obstructed while closing...
3850 Elite Series Manual - Page 31
... belt by a beep sounding every 30 seconds, replace the battery.
31 If the trolley re-engages with a security light feature. My door will not close and the light bulbs blink on my motor
unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will still not activate your Smart Control...
3850 Elite Series Manual - Page 32
... 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 the Indicator lights on the safety reversing sensors do not light, replace the safety reversing sensors.
3 FLASHES
Door control or wire shorted.
4 FLASHES
Safety reversing sensors slightly misaligned...
3850 Elite Series Manual - Page 34
... when the motor unit lights blink. USING THE "LEARN" BUTTON
To Add or Reprogram a Hand-held remote control.
PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. Press and release the "learn indicator light goes out (approximately 6 seconds). Within 30 seconds, press...
3850 Elite Series Manual - Page 35
...ENTER button if the one button close the door even after it has expired.
The opener light will glow steadily for your garage door opener. This feature has been activated at the factory...two clicks will blink four times when one button close is already mounted outside the garage.
1. The door should move . Release the button when the motor unit lights blink.
The keypad will...
3850 Elite Series Manual - Page 38
...garage with model 3850 only.
EverCharge® Standby Power System: Provides backup power to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Surge Protector: The Garage Door Opener Surge Protector is open garage door... with NO access door. Enables homeowner to open or closed.
Includes battery.
Tells you if your home!
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