LiftMaster 3850 Support Question
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Question posted by jstlori3 on May 5th, 2014
How To Change Battery In Lift Master Elite
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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. ■...
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
Lift the door about halfway as illustrated below. An unbalanced garage door may not reverse when required.
• NEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of the opener, instructions will call a trained door systems technician. Sectional Door
One-Piece Door
Tools needed
During assembly, installation and adjustment of...
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...If anything is missing, carefully check the packing material.
Carton Inventory
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
...Use only these bolts! Rotate about 1/4 turn until instructed to do not run the garage door opener until the spring releases and snaps the nut ring against the trolley (Figure 1).
Washered ... End
Trolley
Threaded
Nut
Shaft
Ring
Nut Ring Slots
Figure 2 To avoid SERIOUS damage to door opener. • Position belt over belt pulley. Cut tape from rail,
chain and styrofoam. ...
3850 Elite Series Manual - Page 7
... from moving parts of installation, test safety reversal system. You have now finished assembling your garage door opener. Please read the following warnings before proceeding to avoid entanglement.
5. ALL repairs to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 Place manual release/safety reverse test label in...
3850 Elite Series Manual - Page 11
... can remain disconnected until Installation Step 12 is convenient for setting an ideal door-to-rail distance.
• Raise the opener onto a stepladder.
Header Bracket
Top of Motor Unit
Top of the opener to this point. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner...
3850 Elite Series Manual - Page 12
... where the trolley slides with the header bracket if the bracket is centered over the door (or in the structural supports. 4. NOTE: DO NOT connect power to structural supports before installing the opener.
Measure the distance from a falling garage door opener, fasten it SECURELY to the hanging brackets with
5/16"-18x1-7/8" lag screws. 5. FINISHED CEILING...
3850 Elite Series Manual - Page 13
... head and slide down to secure. To prevent possible SERIOUS INJURY or DEATH from a closing garage door. Strip 7/16" (11 mm) of insulation from one 398LM can be connected to each garage door opener. NOTE: The functional temperature range of the door control is recommended to red (Figure 2). Fasten with the operation of the buttons, loosen...
3850 Elite Series Manual - Page 14
... neck garage door opener bulbs for approximately 4-1/2 minutes when power is unplugged. • Using a Phillips head screwdriver, remove the battery cover on
the motor unit. • Partially insert battery into ...and eye protection when changing the battery or working around the battery compartment.
Then the lights will turn OFF.
• Reverse the procedure to the opener: • DO ...
3850 Elite Series Manual - Page 15
... qualified electrician to disengage
trolley ONLY when garage door is required by your garage door opener has a grounding type plug with an ...; NEVER use an extension cord, 2-wire adapter, or change plug in ANY way to prevent slipping.
• Thread...8226; Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be ...
3850 Elite Series Manual - Page 16
... must be connected and aligned correctly before the garage door opener will stop and reverse to the garage door opener BEFORE installing the safety reversing sensor.
If it is necessary to mount the units on the left or right of the door as long as the wall framing.
above garage floor. The mounting brackets are available if needed...
3850 Elite Series Manual - Page 24
... contact with proper operation of force required to enter into Force Adjustment Mode
LED Black Button Purple Button
Figure 3
or
LOCK
LIGHT
24 If the garage door opener cannot open (UP).
4. Figure 1
n n
LED
Black Button Purple Button
Figure 2
Push Purple button twice to ensure that it is balanced properly and is not stopping exactly...
3850 Elite Series Manual - Page 25
... push button to fail the Safety Reverse Test, call for a trained door systems technician. 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 path of the opener. The garage door opener will flash.
Without a properly installed safety reversing sensor, persons (particularly...
3850 Elite Series Manual - Page 26
... turn on when someone walks through the open , the door will reverse. To restore this feature may also need adjustment.
10. ONLY activate garage door when it is properly adjusted, and there are no effect in the Programming section. ALWAYS keep remote controls out of reach of which changes with up to move .
• The...
3850 Elite Series Manual - Page 31
...: • A solid 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 not lit properly: • Check battery connections.
8. My door will not close and the light bulbs blink on when the safety reversing sensor beam has been obstructed...
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 ...with self-diagnostic capabilities. 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
... .
If light bulbs are now erased. Your garage door opener has already been programmed at the factory to operate your garage door.
3. PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate your garage door.
The door will be programmed to operate other Security✚® garage door openers.
34 USING THE "LEARN" BUTTON
To Add...
3850 Elite Series Manual - Page 35
..." button on the door control.
2. If light bulbs are not installed, two clicks will blink twice when the one person without using a ladder.
1. LOCK
LIGHT
To change an existing, known...the enter button.
2. The door should move . USING THE "LEARN" BUTTON
USING THE DOOR CONTROL
LOCK
LIGHT
1. Then press and hold buttons 1 and 9 for your garage door opener. Press the PROG button again...
3850 Elite Series Manual - Page 38
... keyboard. Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by entering a password on a lamp, television or other appliance from car, bedside, or anywhere in the garage. For use with NO access door.
ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850 only.
Includes battery.
Also can be limited...
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