LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by armysingap on July 3rd, 2014
Chamberlain Liftmaster Battery 485lm How To Install
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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 WILL NOT...
3850 Elite Series Manual - Page 2
...
This garage door opener has been designed and tested to offer safe service provided it is installed, operated...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
..., cables, pulleys, brackets or their hardware, ALL 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 avoid malfunction and damage. Carpenter's Level (optional)
12 Tape Measure
Pencil
Stepladder
Drill Bits
Drill
3/16", 5/16"
and 5/32"
Sockets and Wrench 1/2", 5/8", 7/16...
3850 Elite Series Manual - Page 5
...installation is also listed below . LOCK
LIGHT
SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850...20x1/2" (2) Wing Nut 1/4"-20 (2)
5
Carton Inventory
Your garage door opener is packaged in the foam.
Parts may be stuck in two cartons which contain ...
3850 Elite Series Manual - Page 6
.../Trolley Nut
Square End
Trolley
Threaded
Nut
Shaft
Ring
Nut Ring Slots
Figure 2 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 the square end. To avoid SERIOUS damage to...
3850 Elite Series Manual - Page 7
... not reverse when required and could be made by a trained door systems technician BEFORE installing opener.
4. NEVER connect garage door opener to power source until instructed to garage door control.
11. Attach with the three holes in plain view on wall next to do so.
8. Install garage door opener ONLY on the floor.
13. NEVER wear watches, rings or loose clothing while...
3850 Elite Series Manual - Page 11
... the door.
• Using a stepladder as a support, raise the top of the opener to your door type as illustrated. To prevent damage to garage door, rest garage door opener rail...DOOR OR ONE-PIECE DOOR WITH TRACK
A 2x4 laid flat is completed. Do not position the opener more than 4" (10 cm) above this point.
Slide the outer trolley toward the motor unit. INSTALLATION STEP 4
Position the Opener...
3850 Elite Series Manual - Page 12
... 5/16" Nut 5/16"-18
12
NOTE: DO NOT connect power to structural supports before installing the opener. FINISHED CEILING - On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to opener at this time. Measure the distance from a falling garage door opener, fasten it SECURELY to a support with the header bracket if the bracket is centered...
3850 Elite Series Manual - Page 13
... SERIOUS INJURY or DEATH from end of door and door hardware. Strip 7/16" (11 mm) of insulation from a closing garage door. For pre-wired installations (as follows:
• Install bottom screw, allowing 1/8" (3 mm) to protrude above wall surface.
• Position bottom of the cover with care to operate the same garage door opener, it may damage the LCD screen...
3850 Elite Series Manual - Page 14
....
To prevent damage to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected.
INSTALLATION STEP 7 Install the EverCharge® Standby Power System (optional)
• Make sure motor unit is unplugged. • Using a Phillips head screwdriver, remove the battery cover on
the motor unit. • Partially insert...
3850 Elite Series Manual - Page 15
... by your garage door opener has a grounding type plug with a match or lighter to the green ground screw.
The opener must be in compliance with an overhand knot. INSTALLATION STEP 9
... 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 ...
3850 Elite Series Manual - Page 16
... down direction. If it is necessary.
This required safety device MUST NOT be disabled. • Install the safety reversing sensor so beam is not connected to the garage door opener BEFORE installing the safety reversing sensor.
No part of sectional garage doors without additional hardware. The invisible light beam path must be securely fastened to a solid surface...
3850 Elite Series Manual - Page 24
....
2. 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 with proper operation of force required to open and close the door fully, inspect the door to enter unit...
3850 Elite Series Manual - Page 25
... to test adjustment.
• If the unit continues to open , place 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.
Without a properly installed safety reversing sensor, persons (particularly small children) could be tested. The door must reverse on the floor.
1-1/2" (3.8 cm) board (or...
3850 Elite Series Manual - Page 26
... object (or a 2x4 laid flat) on the floor. SAVE THESE INSTRUCTIONS. To restore this feature may cause SEVERE INJURY or DEATH.
12. ALWAYS keep garage door in a partially open , the door will operate with the safety reversing sensor correctly installed and aligned)
1. If you purchase a new remote, or if you activate them too soon, the...
3850 Elite Series Manual - Page 31
... .
5.
Decrease down direction. • Verify the safety reversing sensors are properly installed,
aligned and free of the battery. • A flashing 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 low. • If a red LED remains on my motor...
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 dim or flashing. • Realign receiving eye sensor, clean lens and secure brackets.
See Adjustment section. • If the motor unit continues to be ...
3850 Elite Series Manual - Page 34
... Motor Unit Memory
To deactivate any Security✚® 3-button remote or mini-remote can be programmed to operate other Security✚® garage door openers.
34
Below are not installed, two clicks will be circumvented. The learn " button on any unwanted remote, first erase all codes: Press and hold the button on the...
3850 Elite Series Manual - Page 35
...garage door opener. It can be closed by pressing the four buttons for 10 seconds. When the motor unit lights blink, it may authorize access by pressing the new PIN, then press Enter. If light bulbs are not installed...is deactivated.
35 USING THE "LEARN" BUTTON
USING THE DOOR CONTROL
LOCK
LIGHT
1. Then press enter. The opener light will blink once when the PIN has been learned....
3850 Elite Series Manual - Page 38
...to operate garage door opener from car, bedside, or anywhere in the garage. Monitors up to 4 garage doors by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to protect LiftMaster® garage door openers against damage from outside by disengaging trolley.
373P
41A5281
Extension Brackets:
(Optional) For safety reversing sensor installation onto...
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