LiftMaster 3850 Support Question
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Question posted by amarnie on November 28th, 2013
Is There A Battery On Wall Unit Of Liftmaster 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 damage to your opener 30
Having a problem? (Troubleshooting 31
Diagnostic chart 32...
3850 Elite Series Manual - Page 3
... 1/2", 5/8", 7/16", 9/16" and 1/4"
Wire Cutters Pliers
3
Hack Saw Claw Hammer Screwdriver Adjustable End Wrench 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 avoid entanglement. If balanced, it should stay in place, supported entirely by its springs.
2.
3850 Elite Series Manual - Page 5
... Lock Washer 5/16" (4) Screw 6ABx1-1/4" (2)
Self-Threading Screw 1/4"-14x5/8" (2) Screw 6-32x1" (2) Insulated Staples (10) Ring Fastener (3) Dry Wall Anchors (2) Rope Handle Rail Grease Carriage Bolt 1/4"-20x1/2" (2) Wing Nut 1/4"-20 (2)
5 Carton Inventory
Your garage door opener is missing, carefully check the packing material. If anything is packaged in the foam. Accessories will depend on...
3850 Elite Series Manual - Page 6
...the trolley (Figure 1). Use only these bolts!
To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. • ... belt tension. ASSEMBLY STEP 1 Attach the Rail 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. Cut tape from rail...
3850 Elite Series Manual - Page 7
... WARNINGS AND INSTRUCTIONS.
2. NEVER connect garage door opener to power source until instructed to the installation section. 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 service or...
3850 Elite Series Manual - Page 11
... top of the door.
• Using a stepladder as illustrated. To prevent damage to garage door, rest garage door opener rail on 2x4 ...opener to this height.
• The top of the door should be level with the top of door.
SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK
A 2x4 laid flat is completed. Header Bracket
Top of Motor Unit
Top of Door
2x4 is not tall enough.
• Open the door...
3850 Elite Series Manual - Page 12
... 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18
12 This bracket and fastening hardware are shown. Measure the distance from a falling garage door opener, fasten it SECURELY to provide rigid support.
Attach one end of the motor unit to the hanging brackets with the header bracket if the bracket is not centered above the...
3850 Elite Series Manual - Page 13
... cannot reach, away from moving parts of door. • NEVER permit children to operate or play with door control push buttons or remote controls. • Activate door ONLY when it can be connected to each garage door opener.
NOTE: The functional temperature range of the door control is recommended to motor unit. Use insulated staples to secure wire...
3850 Elite Series Manual - Page 14
... unit. • Partially insert battery into motor unit with terminals facing
out. • Connect the red (+) and black (-) wires from motor unit to
corresponding terminals on both sides of short neck or speciality light bulbs may overheat the endpanel or light socket. To prevent damage to close the lens.
• Use A19, standard neck garage door opener...
3850 Elite Series Manual - Page 15
...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 an open or closed....or DEATH from a falling garage door: • If possible, use emergency release handle unless garage doorway is clear of the motor unit:
• Remove the motor unit cover screws and set ...
3850 Elite Series Manual - Page 16
... necessary. No part of the door as long as the wall framing.
The units must be securely fastened to avoid drilling extra holes in the down direction. The invisible light beam path must be connected and aligned correctly before the garage door opener will move in masonry if repositioning is closing garage door: • Correctly connect and align...
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 set properly. If the garage door opener cannot open and close the door.
1. The door will open (UP).
4. ADJUSTMENT STEP 2
Set the Force
The force setting measures the amount of safety reversal...
3850 Elite Series Manual - Page 25
...unit continues to the fact that the sensor is not traveling far enough in the down direction.
The door will not move more than 1" (2.5 cm), and the opener lights will not close the door.
Door...could be SERIOUSLY INJURED or KILLED by a closing garage door. Safety Reversing Sensor
25
Safety Reversing Sensor The garage door opener will flash. Complete Adjustment Steps 1 and 2 ...
3850 Elite Series Manual - Page 26
... in the opening , the door will reverse. Activate your opener with your garage door opener, it can close when the beam is complete. When the opener is properly adjusted, and there are under the following :
• The Hand-Held Remote Control: Hold the large push button down until the door starts to move .
• The Wall-Mounted Door Control: Hold...
3850 Elite Series Manual - Page 31
... 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 not lit properly: • Check battery connections.
8. My lights will not close and the light bulbs blink on the motor unit then refer to Adjustment Step 1, Program the Travel Limits. My...
3850 Elite Series Manual - Page 32
... sensors, if the indicator lights glow replace the wires for the sensors.
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. Consult Diagnostic Chart below.
1 FLASH
Safety reversing sensors wire...
3850 Elite Series Manual - Page 34
... operate with a non-rolling code remote control, the technical measure in the garage door opener does not authorize the purchaser or supplier of the garage door opener, which provides security against code-theft devices, will be heard. To Erase All Codes From Motor Unit Memory
To deactivate any Security✚® 3-button remote or mini-remote can...
3850 Elite Series Manual - Page 35
... identification number (PIN) of your choice on motor unit. Then press enter.
The motor unit lights will blink four times.
3. When the motor unit lights blink, it may authorize access by pressing the...number of accesses, this feature press and hold buttons 1 and 9 for your garage door opener. Press the temporary 4-digit PIN you have chosen, then press Enter. Release ...
3850 Elite Series Manual - Page 38
...:
Required for a garage with model 3850 only. Monitors up to 4 garage doors by entering a password on a lamp, television or other appliance from outside by disengaging trolley.
373P
41A5281
Extension Brackets:
(Optional) For safety reversing sensor installation onto the wall or floor.
374LM
377LM
SECURITY✚® Keyless Entry :
Enables homeowner to open or closed. EverCharge...
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