LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by cjakpr on January 10th, 2014
How To Replace Battery From Model 3850 Garage Opener?
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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
...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...INTRODUCTION Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to offer ...
3850 Elite Series Manual - Page 3
... INJURY or DEATH:
• ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of balance. Release the door.
Lift the door about halfway as illustrated below.
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...
3850 Elite Series Manual - Page 4
... below apply to this page and the accompanying illustrations as you proceed with glass panels, etc.). See page 19 for lightweight garage doors (fiberglass, steel, aluminum, door with the installation of your opener. Header Wall
FINISHED CEILING
Support bracket & fastening hardware is needed for details. See page 12.
Motor Unit
Header Wall
ONE-PIECE...
3850 Elite Series Manual - Page 5
...®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 & White/Red
Belt Pulley Bracket
Trolley
Optional EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery)
Belt
RReemmootteeCCoonnttrrooll...
3850 Elite Series Manual - Page 6
... optimum belt tension. Use only these bolts! To avoid SERIOUS damage to door opener. • Position belt over belt pulley. Rotate about 1/4 turn until it firmly against the trolley (Figure ...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. Cut...
3850 Elite Series Manual - Page 7
... parts of 5 feet (1.5 m).
• away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 To avoid SERIOUS PERSONAL INJURY or DEATH from ALL moving garage door opener: • ALWAYS keep hand clear of belt pulley while operating
opener. • SECURELY attach belt pulley cover BEFORE operating.
8x3/8" Hex Screws
HARDWARE...
3850 Elite Series Manual - Page 8
... is out of balance. NOTE: If the total number of the door.
Extend the line onto the header wall above the door.
An unbalanced garage door might not reverse when required.
or you need to install the header bracket on a 2x4 (on page 9.
3. Open your door.
1. DO NOT install header bracket over drywall.
• Concrete anchors...
3850 Elite Series Manual - Page 10
... pin as a protective base. Header Wall Header Bracket Belt Pulley Bracket
Garage Door
INSTALLATION STEP 3 Attach the Rail to the Header Bracket
• Position the opener on a temporary support to allow the rail to secure.
Have someone hold the opener securely on the garage floor below the header bracket. Ring Header Fastener Bracket
Clevis Pin...
3850 Elite Series Manual - Page 11
... parallel to the floor, measure the distance from ceiling. Slide the outer trolley toward 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 remain disconnected until Installation Step 12 is ...
3850 Elite Series Manual - Page 12
... structural supports. 4.
Hanging brackets should be used if installing ANY brackets into masonry. This bracket and fastening hardware are shown.
Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to a support with 5/16"-18x7/8"
hex bolts, lock washers and nuts. 6. Operate the...
3850 Elite Series Manual - Page 13
...; C) may be connected to cross path of closing garage door: • Install door control within sight of door, at the lower/middle portion of bell wire. DO NOT connect power and operate the opener at lower temperatures although the door control remains fully functional. DO NOT overtighten.
• Replace cover by color: white wire to the W (2) and...
3850 Elite Series Manual - Page 14
... the channel. • Replace battery cover. Light bulb size should be A19, standard neck only. Use ONLY incandescent.
Gently rotate lens back and downward until the lens hinge is connected. NOTE: Use only standard light bulbs. To prevent damage to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes...
3850 Elite Series Manual - Page 15
...
trolley ONLY when garage door is required by your garage door opener has a grounding type plug with ALL local electrical and building codes.
• NEVER use emergency release handle unless garage doorway is 6 feet (1.8 m) above the floor.
To prevent possible SERIOUS INJURY or DEATH from electrocution or fire:
• Disconnect ALL electric and battery power BEFORE performing...
3850 Elite Series Manual - Page 16
... into the receiving eye lens. INSTALLATION STEP 11 Install The Protector System®
The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in masonry if repositioning is necessary. IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR
When properly connected and aligned, the sensor will detect an...
3850 Elite Series Manual - Page 29
... electrical outlet.
• A solid orange LED indicates the battery is operating on battery power.
• A flashing orange LED with beep indicates the unit is operating on battery power and that the battery charge is low.
• To test the battery is functioning properly, open and close the garage door.
• Re-connect the motor unit power cord back...
3850 Elite Series Manual - Page 31
... does not move in the down travel.
5. My garage door opener beeps: • 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 against the stop . Having a Problem (Troubleshooting)
NOTE: Always unplug battery prior to Operation section; Weather conditions in...
3850 Elite Series Manual - Page 32
..., if the indicator lights glow replace the wires for the sensors. Symptom: Door travels 2-3 inches and stops. • Reprogram limits and forces. 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...
3850 Elite Series Manual - Page 38
...from lightning and power surges.
38 For use with NO access door. Tells you if your home!
Enables homeowner to open or closed.
ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850 only. Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by disengaging trolley.
373P
41A5281
Extension Brackets:
(Optional...
3850 Elite Series Manual - Page 40
... LABOR CHARGES FOR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT OF BATTERIES IN REMOTE CONTROL TRANSMITTERS AND LIGHT BULBS OR...8226; PART NUMBER • PART NAME • MODEL NUMBER ADDRESS ORDERS TO: THE CHAMBERLAIN GROUP, INC. Technical ... OR RELATING TO, THE GARAGE DOOR OR GARAGE DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT OR HINGES. IN ...
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