LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by luqpeter on January 19th, 2014
How Do I Change Liftmaster Garage Code After Changing Battery
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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
...
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 garage door and/or the garage door opener if you do not comply with the...
3850 Elite Series Manual - Page 3
....
• NEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of the opener, instructions will 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, 60 Hz to see if there is...
3850 Elite Series Manual - Page 5
...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...missing, carefully check the packing material. Carton Inventory
Your garage door opener is packaged in the foam. Parts may be stuck...
3850 Elite Series Manual - Page 6
...turn until the spring releases and snaps the nut ring against the trolley (Figure 2).
• Place a 7/16" open end wrench on the square end.
Use of any tools.
• Insert a screwdriver tip into the motor unit. To ... 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.
3850 Elite Series Manual - Page 7
... remove ALL ropes connected to garage door BEFORE installing opener to fingers from moving parts of installation, test safety reversal system. Install wall-mounted garage door control:
• within sight of the garage door.
• out of reach of children at minimum height of 5 feet (1.5 m).
• away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY...
3850 Elite Series Manual - Page 11
... the rail.
• If the top section or panel hits the trolley when you raise the door, pull down on the trolley release arm to garage door, rest garage door opener rail on 2x4 placed on top section of door. The trolley can remain disconnected until Installation Step 12 is used to determine
the correct mounting height...
3850 Elite Series Manual - Page 12
... may be angled (Figure 1) to the hanging brackets with
5/16"-18x1-7/8" lag screws. 5. This bracket and fastening hardware are shown. 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"-18x7/8" Lock Washer 5/16" Nut 5/16...
3850 Elite Series Manual - Page 13
... bottom screw, allowing 1/8" (3 mm) to the close position until completely closed. For pre-wired installations (as the secondary door control.
1. Use insulated staples to each garage door opener. NOTE: The functional temperature range of the door control to temperatures below -22° F (-30° C) may be connected to secure wire in tabpwusithhisnctraebwwdritivher tip
screwdriver...
3850 Elite Series Manual - Page 14
....
• 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 the battery cover on
the motor unit. • Partially insert battery into motor unit with terminals facing
out. • Connect the red (+) and black (-) wires...
3850 Elite Series Manual - Page 15
...electrocution or fire:
• Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
• ...) wire to pull door open or closed.
To prevent possible SERIOUS INJURY or DEATH from a falling garage door: • If possible, use an extension cord, 2-wire adapter, or change plug in the top...
3850 Elite Series Manual - Page 16
If an obstruction breaks the light beam while the door is not connected to full open position, and the opener lights will flash 10 times. The units must be installed inside the garage. Be sure power is closing, the door will stop and reverse to the garage door opener BEFORE installing the safety reversing sensor.
Safety Reversing Sensor 6" (15...
3850 Elite Series Manual - Page 24
... flashing when the force has been programmed. If the garage door opener cannot open (UP).
4. Push the door control or programmed remote control. Push the door control or programmed remote control again. Push the door control or programmed remote control a third time to close (DOWN).
3.
The door will close the door (DOWN). The LED will flash quickly.
2.
Push the...
3850 Elite Series Manual - Page 25
The garage door opener will not close the door. If the opener closes the door when the safety reversing sensor is misaligned or obstructed). Without a properly installed safety reversing sensor, persons (particularly small children) could be tested every month. • After ANY adjustments are no more than 1" (2.5 cm), and the opener lights will not move more than 6" (15...
3850 Elite Series Manual - Page 26
... your opener with your garage door opener, it must be seen clearly, it will reverse. When the opener is properly adjusted, and there are made by a trained door systems technician.
14. If opening cycle.
READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS.
2.
If closing , the door will close from a hand-held remote control have been factory-set to a matching code...
3850 Elite Series Manual - Page 31
... 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. My garage door opener beeps: • A solid LED with beep, sounding every 30 seconds, indicates battery is low. • If a red LED remains on the following the programming instructions. The...
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. Momentarily short across red and white terminals with self-diagnostic capabilities.
3850 Elite Series Manual - Page 34
... that you wish to use.
1. 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. Additional buttons on the door control.
2.
Your garage door opener has already been programmed at the factory to operate with your...
3850 Elite Series Manual - Page 35
...set the number of times this temporary PIN expires and will work , press the number of your garage door opener. If the temporary PIN was set the number of hours this feature press and hold the ✽... close is known, it has learned the code. The motor unit lights will blink once when the temporary PIN has been learned.
To Add, Reprogram or Change a Keyless Entry PIN
NOTE: Your new ...
3850 Elite Series Manual - Page 38
... park vehicles in the home with a remote.
975LM
373W
Designer Burled Walnut 3-Button Remote Control with model 3850 only.
Monitors up to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Includes battery. For use with SECURITY✚® :
Includes visor clip.
990LM
SECURITY✚® 3-Button Remote Control : Includes...
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