LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by archibrav on January 24th, 2014
Where Can Buy A Model 3850 Battery For Garage Door?
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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
... adjustment 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 make sure your garage door is balanced and is out of balance.
An unbalanced garage door may not reverse when required.
• NEVER try to avoid malfunction and damage. If balanced, it...
3850 Elite Series Manual - Page 5
... garage door opener is packaged in the foam. Accessories will depend on the model purchased. Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below .
LOCK
LIGHT
SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850...
3850 Elite Series Manual - Page 6
.... ASSEMBLY STEP 1 Attach the Rail to the Motor Unit
To avoid installation difficulties, do not run the garage door opener until instructed to do so. • Remove the two washered bolts mounted on top of motor unit.
... and brace it firmly against the trolley (Figure 2).
• Place a 7/16" open end wrench on the threaded shaft until it is finger tight against the trolley (Figure 3).
3850 Elite Series Manual - Page 7
... flat) on wall next to cables, spring assemblies and other hardware MUST be caught in mounting plate. NEVER connect garage door opener to power source until instructed to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 To avoid possible SERIOUS INJURY to do so.
8. NEVER wear watches...
3850 Elite Series Manual - Page 11
... height from the floor to the top of the door.
• Using a stepladder as illustrated.
To prevent damage to -rail distance.
• Raise the opener onto a stepladder. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK
A 2x4 laid flat is convenient for setting an ideal door-to garage door, rest garage door opener rail on 2x4 placed on the trolley release...
3850 Elite Series Manual - Page 12
...)
Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18
Hidden Support
- If the door hits the rail, raise the header bracket. 8. Concrete anchors MUST be different. Fasten the opener to structural supports of the garage.
Measure the distance from a falling garage door opener, fasten it SECURELY to the hanging brackets with
5/16"-18x1-7/8" lag screws. 5. HARDWARE...
3850 Elite Series Manual - Page 13
...with care to each garage door opener. To prevent possible SERIOUS INJURY or DEATH from a closing garage door.
Strip 7/16" ...model 378LM wireless wall control as the secondary door control.
1.
SPECIAL NOTE: Only one end of door control by gently prying at lower temperatures although the door control remains fully functional. The trolley will travel . • ALWAYS keep garage door...
3850 Elite Series Manual - Page 14
... 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 power is in each socket. Use ONLY incandescent.
Channel
Battery
Battery Cover
INSTALLATION STEP 8
Install the Lights
• Press the release tabs on both sides of short neck or...
3850 Elite Series Manual - Page 15
... prevent possible SERIOUS INJURY or DEATH from electrocution or fire:
• Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
• Reinstall the cover.
The opener must be in compliance with ALL local electrical and building codes.
• NEVER use an extension...
3850 Elite Series Manual - Page 16
... in masonry construction, add a piece of its electronic beam. The invisible light beam path must be connected and aligned correctly before the garage door opener will flash 10 times. above garage floor.
IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR
When properly connected and aligned, the sensor will stop and reverse to the receiving eye...
3850 Elite Series Manual - Page 23
... tested. Push and hold until the LED starts flashing slowly, then release (Figure 2).
2.
Door MUST reverse on contact with proper operation of the door by a closing the door (Figure 3).
4.
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 too much...
3850 Elite Series Manual - Page 24
... purple button twice to enter unit into the Force Adjustment Mode.
If the garage door opener cannot open and close (DOWN).
3. Push the door control or programmed remote control a third time to close the door fully, inspect the door to open and close the door (DOWN). Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on...
3850 Elite Series Manual - Page 25
... push button to close from a remote if the indicator light in the down direction.
NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down direction.
The garage door opener will flash. Without a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or...
3850 Elite Series Manual - Page 26
..., use emergency release handle unless garage doorway is properly adjusted, and there are made by a trained door systems technician.
14. Failure to pull garage door open garage door. ALWAYS disconnect electric power to deactivate... of SEVERE INJURY or DEATH:
1. See Programming. If you wish to garage door opener BEFORE making ANY repairs or removing covers.
15. READ AND FOLLOW ALL WARNINGS...
3850 Elite Series Manual - Page 30
... lockout feature prevents the trolley from a falling garage door: • If possible, use emergency release handle to disengage
trolley ONLY when garage door is clear of Your Opener
MAINTENANCE SCHEDULE Once a Month • Manually operate door. The door can then be sure door opens & closes fully. Weak or broken springs or unbalanced door could fall. Make any necessary
adjustments (see...
3850 Elite Series Manual - Page 31
... the motor unit from the remote control or door control. Weather conditions in particular can affect door travel limits. Having a Problem (Troubleshooting)
NOTE: Always unplug battery prior to Operation section; My door reverses for the force and limit settings is operating off when door is open: • The garage door opener is equipped with a security light feature. Using 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 not recognized. The "Learn" button/diagnostic LED will flash a number of sensor.
• Reattach sending eye to 1-2 ft (30-60 cm) from back each...
3850 Elite Series Manual - Page 38
.... ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850 only. Monitors up to turn on a lamp, television or other appliance from outside by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to 4 garage doors by entering a password on a specially designed keyboard.
Also can be limited to the garage door opener.
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