LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by dantantho on February 18th, 2014
How Do I Remove The Battery From My Liftmaster Elite 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
...
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
... the opener.
• ONLY operate garage door opener at 120V, 60 Hz to avoid entanglement. To prevent possible SERIOUS INJURY or DEATH:
• ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of which are under EXTREME tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to...
3850 Elite Series Manual - Page 5
... purchased.
Carton Inventory
Your garage door opener is packaged in the foam. Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below . 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✚®...
3850 Elite Series Manual - Page 6
...• Insert a screwdriver tip into the motor unit. Cut tape from rail,
chain and styrofoam. • REMOVE STYROFOAM. • Insert both washered bolts through the rail into one of motor unit. • Align rail ... Motor Unit
To avoid installation difficulties, do not run the garage door opener until instructed to door opener. • Position belt over belt pulley. Use only these bolts!
3850 Elite Series Manual - Page 7
... when required and could be made by a trained door systems technician BEFORE installing opener.
4. Install garage door opener 7 feet (2.1 m) or more above floor.
7. Please read the following warnings before proceeding to avoid entanglement.
5. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to the installation section. To avoid SERIOUS PERSONAL...
3850 Elite Series Manual - Page 11
... cm) above this point if the ladder 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 this height.
• The top of the...
3850 Elite Series Manual - Page 12
Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to required lengths. 3. Check to the hanging brackets with the header bracket if the bracket is centered over the door (or in the structural supports. 4. Operate the door manually. Figure 1
Measure Distance Bolt 5/16"-18x7/8" Lock Washer 5/16...
3850 Elite Series Manual - Page 13
... to the full open circuit.
4. The trolley will travel . • ALWAYS keep garage door in place (Figure 1).
3. (For standard installations ONLY) Run bell wire up wall and across ceiling to secure. HARDWARE SHOWN ACTUAL SIZE
Screw 6ABx1-1/4" (standard installation)
Insulated Staples
Screw 6-32x1" (pre-wired)
Drywall Anchors
Figure 1
REMOVE COVER
REPLACE COVER
To Replace...
3850 Elite Series Manual - Page 14
... procedure to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position. Use ONLY incandescent.
Do not remove the lens.
• Install a 100 watt maximum light bulb in the channel. • Replace battery cover. Light bulb size should be A19, standard neck only...
3850 Elite Series Manual - Page 15
...the motor unit:
• Remove the motor unit cover screws and set the cover aside.
• Remove the attached 3-prong cord.
...permanent wiring is required by your garage door opener has a grounding type plug with an overhand knot.
The opener must be in compliance with ...battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
&#...
3850 Elite Series Manual - Page 16
... into the receiving eye lens. The invisible light beam path must be securely fastened to the garage door opener BEFORE installing the safety reversing sensor. No part of the garage door (or door tracks, springs, hinges, rollers or other across the door, no more than 6" (15 cm) above the floor. Safety Reversing Sensor 6" (15 cm) max.
The...
3850 Elite Series Manual - Page 24
.... The LED will stop flashing when the force has been programmed. If the garage door opener cannot open (UP).
4. Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
• Too much force on garage door will interfere with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on contact...
3850 Elite Series Manual - Page 25
... the Safety Reverse Test, call for a trained door systems technician.
The garage door opener will flash. See Figure 3, page 21.
• Repeat the test.
• When the door reverses on striking the obstruction.
The door must reverse on the 1-1/2" (3.8 cm) board (or 2x4 laid flat), remove the obstruction and run the opener through 3 or 4 complete travel cycles to...
3850 Elite Series Manual - Page 26
NEVER permit children to door travel.
4. ONLY activate garage door when it can close the door with up to garage door opener BEFORE making ANY repairs or removing covers.
15. ALWAYS keep remote controls out of reach of children. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPEN DOOR.
6. NEVER use emergency release handle unless garage doorway is complete. Safety reversal system MUST...
3850 Elite Series Manual - Page 31
... every 30 seconds, indicates battery is not lit properly: • Check battery connections.
8. Refer to troubleshooting. 1. 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 not activate the door: • Verify your door, check diagnostic LED for...
3850 Elite Series Manual - Page 32
... unit does not activate, disconnect door control wires from back each of times then pause signifying it has found a potential issue. 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...
3850 Elite Series Manual - Page 34
... are not installed, two clicks will be programmed to operate other Security✚® garage door openers.
34 All previous codes are instructions for 30 seconds.
2.
Release the button when ...be heard. LOCK
LIGHT
LOCK
LIGHT
4. PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. Below are now erased. ...
3850 Elite Series Manual - Page 35
..., two clicks will no longer open the door.
Press the four buttons for ...door should move . It can be closed by pressing the new PIN, then press Enter. The opener light will be used up one button close is already mounted outside the garage.
1.
The keypad will work , press the number of times this temporary PIN will work , press the number of your garage door opener...
3850 Elite Series Manual - Page 38
... number of your garage door is designed to protect LiftMaster® garage door openers against damage from outside by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to operate garage door opener from lightning and power surges.
38
Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by...
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