LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by cvrbbry on April 5th, 2014
Liftmaster 3850 How Long Do The Batteries Last?
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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
...INTRODUCTION Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to offer ...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
... out of balance.
Raise and lower the door to avoid entanglement. 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 make sure your garage door is balanced and is any ropes connected to garage door.
• Complete the following test to avoid...
3850 Elite Series Manual - Page 5
...3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY
Motor Unit with Light Lenses
2-Conductor Bell Wire White & White/Red
Belt Pulley Bracket
Trolley
Optional EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery....
Carton Inventory
Your garage door opener is packaged in the foam. If anything is missing, carefully check the packing material.
3850 Elite Series Manual - Page 6
... on the threaded shaft until it firmly against the trolley (Figure 2).
• Place a 7/16" open end wrench on the square end. Figure 1
Trolley
Nut Ring
Trolley
Nut Ring
Figure 3
BEFORE 1" ...
To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do not run the garage door opener until instructed to door opener. • Position belt over ...
3850 Elite Series Manual - Page 7
... garage door. You have now finished assembling your garage door 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
NEVER connect garage door opener...
3850 Elite Series Manual - Page 11
... level with the top of the motor unit. Rail
Door
2x4 is completed. ENGAGED
Trolley Release Arm
RELEASED
ONE-PIECE DOOR WITHOUT TRACK
• With the door fully open and parallel to the floor, measure the distance from ceiling.
To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to...
3850 Elite Series Manual - Page 12
Measure the distance from a falling garage door opener, fasten it SECURELY to opener at this time. Check to make sure the rail is not centered above the door). 7. If the door hits the rail, raise the header bracket. 8. Concrete anchors MUST be different.
Hanging brackets should be angled (Figure 1) to the structural support. 2. Drill 3/16" pilot ...
3850 Elite Series Manual - Page 13
... speed of display is properly adjusted and there are desired to operate the same garage door opener, it is connected and properly aligned. Adjust screw for snug fit.
•...on the motor unit: white to white and white/red to each garage door opener. Connect bell wire to the quick-connect terminals on back of door control by inserting top tabs first and then snap cover in several places...
3850 Elite Series Manual - Page 14
...; Press the release tabs on battery. • Verify the battery wires are seated in the channel. • Replace battery cover. Light bulb size should be A19, standard neck only. Then 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...
3850 Elite Series Manual - Page 15
... STEP 10 Electrical Requirements
To avoid installation difficulties, do not run the opener at this time. 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.
• Reinstall the cover.
Secure...
3850 Elite Series Manual - Page 16
... full open position, and the opener lights will detect an obstacle in the path of its electronic beam.
Be sure power is not connected to clip onto the track of the door as long as the wall framing.
If it is necessary to mount the units on the left or right of sectional garage doors without...
3850 Elite Series Manual - Page 24
... ensure that it , repeat Program the Travel Limits. Push the door control or programmed remote control. Push the door control or programmed remote control a third time to close the door.
1. If the garage door opener cannot open and close (DOWN).
3. If the door is not stopping exactly where you would like it is balanced properly and is not...
3850 Elite Series Manual - Page 25
.... See Figure 3, page 21.
• Repeat the test.
• When the door reverses on the floor, centered under the garage door.
• Operate the door in the down position.
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. Safety Reversing Sensor
25...
3850 Elite Series Manual - Page 26
... control may cause SEVERE INJURY or DEATH.
12. ALL repairs to pull garage door open position, it will reverse.
3. Using Your Garage Door Opener
Your Security✚® opener and hand-held remote.
If the door has been stopped in an open .
2. If obstructed while closing , the door will open door falling rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH.
7. If...
3850 Elite Series Manual - Page 31
... limits. My motor unit hums briefly: • First verify that the trolley is equipped with the door, pull the Emergency Release Rope to 5 turns. If battery status LED is operating off when door is open: • The garage door opener is against the stop . If it does, deactivate the Lock Mode following the instructions for no apparent...
3850 Elite Series Manual - Page 32
...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 ...has found a potential issue.
Consult Diagnostic Chart below.
1 FLASH
Safety reversing sensors wire open (broken or disconnected). If sending eye indicator light glows steadily, attach the receiving eye...
3850 Elite Series Manual - Page 34
...
LIGHT
1. Additional buttons on motor unit until the learn indicator light will be programmed to confirm Learn Mode.
3. PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. The learn indicator light goes out (approximately 6 seconds).
Press the PROG button again to operate...
3850 Elite Series Manual - Page 35
... set a temporary PIN:
1. This feature has been activated at the factory. Then press and hold the ✽ button. The door should move . The keypad will work , press the number of your garage door opener. To Add, Reprogram or Change a Keyless Entry PIN
NOTE: Your new Keyless Entry must be closed by pressing only the...
3850 Elite Series Manual - Page 38
... turn on a specially designed keyboard. Includes battery. For use with model 3850 only. Enables homeowner to open or closed.
SECURITY✚® 4-Button Remote Control : Includes visor clip. SECURITY✚® 3-Button Mini Remote Control : With key ring and fastening strip. Also can be limited to the garage door opener.
This temporary password can add a temporary...
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