LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
Find answers below for this question about LiftMaster 3850.Need a LiftMaster 3850 manual? We have 1 online manual for this item!
Question posted by kenannrp on January 15th, 2014
Chamberlain Garage Door Opener Witb Back Up Battery Won't Open
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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
... hand tools as shown. 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 any ropes connected to garage door.
• Complete the following test to make sure your door binds, sticks, or is out of balance...
3850 Elite Series Manual - Page 5
... in the foam.
Carton Inventory
Your garage door opener is missing, carefully check the packing material. Hardware for 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 3850-267 (1) ONLY
Motor Unit with Light...
3850 Elite Series Manual - Page 6
... unit. This extends the spring for optimum belt tension.
To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. • Remove...Place a 7/16" open end wrench on the square end. 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...
3850 Elite Series Manual - Page 7
....
6. NEVER wear watches, rings or loose clothing while installing or servicing opener. 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 maintenance.
7 Place manual release/safety...
3850 Elite Series Manual - Page 11
... section beneath the rail.
• If the top section or panel hits the trolley when you raise the door, pull down on top section of the motor unit. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner and outer sections. The trolley can...
3850 Elite Series Manual - Page 12
... distance from a falling garage door opener, fasten it SECURELY to structural supports of each side
of the hanging bracket to the hanging brackets with rail grease. Grease the top and underside of the rail surface where the trolley slides with 5/16"-18x7/8"
hex bolts, lock washers and nuts. 6.
Fasten the opener to required lengths...
3850 Elite Series Manual - Page 13
... from one 398LM can be seen clearly, is properly adjusted and there are desired to operate the same garage door opener, it is between -4° F (-20° C) and 122° F (50° C)....-22° F (-30° C) may be connected to each garage door opener.
For pre-wired installations (as the secondary door control.
1.
The trolley will not return to the close position until ...
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.
Use ONLY incandescent.
The ... 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...
3850 Elite Series Manual - Page 15
...; NEVER use emergency release handle unless garage doorway is required by your garage door opener has a grounding type plug with an overhand knot. To 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.
•...
3850 Elite Series Manual - Page 16
...; Install the safety reversing sensor so beam is not connected to the garage door opener BEFORE installing the safety reversing sensor. No part of the door as long as the wall framing.
above floor
Invisible Light Beam Protection Area
Facing the door from a closing garage door: • Correctly connect and align the safety reversing sensor. The units...
3850 Elite Series Manual - Page 24
...
Black Button Purple Button
Figure 2
Push Purple button twice to enter unit into the Force Adjustment Mode.
If the garage door opener cannot open and close the door fully, inspect the door to ensure that it , repeat Program the Travel Limits. The door must travel through a complete cycle, up and down, in order for a binding or sticking...
3850 Elite Series Manual - Page 25
... the indicator light in either sensor is off (alerting you 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 path of the opener. The garage door opener will flash.
If the opener closes the door when the safety reversing sensor is obstructed (and the sensors are...
3850 Elite Series Manual - Page 26
...) high object (or a 2x4 laid flat) on again.
26 If you wish to garage door opener BEFORE making ANY repairs or removing covers.
15. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPEN DOOR.
6. If closing , the door will close. If obstructed while opening, the door will turn on the Smart Control Panel® is CLOSED. They will stop...
3850 Elite Series Manual - Page 31
... page.
2. Trolley
4. Refer to troubleshooting. 1. My motor unit hums briefly: • First verify that the trolley is operating off when door is open: • The garage door opener is not lit properly: • Check battery connections.
8. My garage door opener beeps: • A solid LED with beep, sounding approximately every 2 seconds, indicates the motor unit is activating 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.
If sending eye indicator light glows steadily, attach the receiving eye.
• Align sensors, if the indicator lights glow replace...
3850 Elite Series Manual - Page 34
... bulbs are now erased. Within 30 seconds, press and hold the "learn indicator light goes out (approximately 6 seconds).
PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. The owner of the copyright in the receiver of the non-rolling code remote control...
3850 Elite Series Manual - Page 35
... 4-digit PIN you have chosen, then press Enter. The motor unit lights will blink twice when the one opening.
Release the button.
4. If the temporary PIN was set to a certain number of your garage door opener. To Add, Reprogram or Change a Keyless Entry PIN
NOTE: Your new Keyless Entry must be programmed to operate...
3850 Elite Series Manual - Page 38
... : With key ring and fastening strip.
For use with NO access door.
ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850 only.
Wireless Door Control: Push bar, light feature and auxiliary button. Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by disengaging trolley.
373P
41A5281
Extension Brackets...
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