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 johnlyrik on December 23rd, 2013
How To Change Backup Battery On Lift Master Garage Door Opener
The person who posted this question about this LiftMaster product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.
Current Answers
There are currently no answers that have been posted for this question.
Be the first to post an answer! Remember that you can earn up to 1,100 points for every answer you submit. The better the quality of your answer, the better chance it has to be accepted.
Be the first to post an answer! Remember that you can earn up to 1,100 points for every answer you submit. The better the quality of your answer, the better chance it has to be accepted.
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. ■...
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
...:
• ALWAYS call for 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 avoid entanglement.
If balanced, it should stay in place, supported entirely by its springs.
2. Lift the door about halfway as illustrated below.
3850 Elite Series Manual - Page 5
... below . If anything is also listed below . Carton Inventory
Your garage door opener is packaged in the foam.
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 Lenses
2-Conductor Bell Wire White...
3850 Elite Series Manual - Page 6
...8226; Insert both washered bolts through the rail into one of any other bolts will cause serious damage to door opener. • Position belt over belt pulley.
Do not use bolts mounted in top of motor unit. •...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.
3850 Elite Series Manual - Page 7
... ALL ropes connected to garage door BEFORE installing opener to cables, spring assemblies and other hardware MUST be caught in mounting plate. 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...
3850 Elite Series Manual - Page 11
... mounting height
from ceiling. ENGAGED
Trolley Release Arm
RELEASED
ONE-PIECE DOOR WITHOUT TRACK
• With the door fully open and parallel to disconnect inner and outer sections. Header Bracket
Top of Motor Unit
Top of door. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to the floor...
3850 Elite Series Manual - Page 12
... hardware are shown. Remove foam packaging. Drill 3/16" pilot holes in line
with rail grease. Operate the door manually. NOTE: DO NOT connect power to the structural support. 2.
FINISHED CEILING - Measure the distance from a falling garage door opener, fasten it SECURELY to a support with 5/16"-18x7/8"
hex bolts, lock washers and nuts. 6. Fasten the...
3850 Elite Series Manual - Page 13
... below -22° F (-30° C) may be connected to cross path of closing garage door: • Install door control within sight of the buttons, loosen the top mounting screw. NEVER permit anyone to each garage door opener. NOTE: The functional temperature range of door. • NEVER permit children to a single gang box (Figure 1). The trolley will not...
3850 Elite Series Manual - Page 14
...prevent damage to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. Do not remove the lens.
... on battery. • Verify the battery wires are seated in the channel. • Replace battery cover. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment....
3850 Elite Series Manual - Page 15
... 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. RIGHT
WRONG
If permanent wiring is grounded. The opener must be in the release arm of all vehicles to the green...
3850 Elite Series Manual - Page 16
...; Correctly connect and align the safety reversing sensor. The invisible light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle in masonry if repositioning is not connected to a solid surface such as the sun never shines directly into the receiving eye ...
3850 Elite Series Manual - Page 24
... Travel Limits. Push the purple button twice to enter unit into the Force Adjustment Mode. If the garage door opener cannot open (UP).
4.
The door will close the door (DOWN).
Push the door control or programmed remote control. Push the door control or programmed remote control again.
The LED will stop flashing when the force has been programmed...
3850 Elite Series Manual - Page 25
... (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
Without a properly installed safety reversal system, persons (particularly small children) could be tested. The garage door opener will flash. NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down direction.
ADJUST
• If the...
3850 Elite Series Manual - Page 26
...NEVER permit children to disengage trolley ONLY when garage door is activated. If obstructed while opening, the door will reverse.
If you purchase a new remote, or if you release them until down until the door starts to pull garage door open garage door. See Programming. If closed . Bulb size is clear of which changes with the safety reversing sensor correctly installed...
3850 Elite Series Manual - Page 31
...: Always unplug battery prior to Operation section;
Refer to Programming. • If remote will move away from the opener by pulling the Emergency Release Rope. • Manually bring the door to the Diagnostic Chart on my motor
unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will still not...
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.
Symptom: No movement, motor runs 2-3 seconds. • Reconnect the emergency release. • Motor may need to travel 2-3 inches, check the...
3850 Elite Series Manual - Page 34
... Mode.
3. LOCK
LIGHT
LOCK
LIGHT
4. If light bulbs are not installed, two clicks will open and close when you wish to operate your opener to operate other Security✚® garage door openers.
34 PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. It has learned the...
3850 Elite Series Manual - Page 35
...the number of accesses, this feature press and hold buttons 1 and 9 for your garage door opener. One Button Close: Opener can be used up to 255), then press ✽. The keypad will be ... Test by visitors or service people with a temporary 4-digit PIN.
To Add, Reprogram or Change a Keyless Entry PIN
NOTE: Your new Keyless Entry must be programmed to operate your personal entry...
3850 Elite Series Manual - Page 38
...; Keyless Entry :
Enables homeowner to operate garage door opener from outside by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to open or closed.
SECURITY✚® 3-Button Mini Remote Control : With key ring and fastening strip. Includes battery.
EverCharge® Standby Power System: Provides backup power to precisely park vehicles in...
Similar Questions
How To Change The Backup Battery In A Lift Master Garage Door Opener
(Posted by dwagrose 10 years ago)
How To Change Emergency Battery In Liftmaster Garage Door Opener
(Posted by Peterunuel 10 years ago)
How To Change The Back Up Battery In The Lift Master Garage Door Opener
(Posted by hukimmer 10 years ago)
How To Disconnect Battery Backup On Elite Series Lift Master Garage Door Opener
(Posted by avfi 10 years ago)
How To Replace Battery In Lift Master Garage Door Opener Model 3850
(Posted by pinButter 10 years ago)