LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by eellam on April 28th, 2014
How To Replace Battery On Liftmaster Elite Series Unit
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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
... or DEATH:
• ALWAYS call a trained door systems technician if garage door binds, sticks, or is not sticking or binding:
1. 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 loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware...
3850 Elite Series Manual - Page 5
...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 VVisisoorrCClilpip
: Styrofoam
Belt Cap Retainer
One-Piece Rail
CEYILING MOUNT ONL UP
Header Bracket
Door Bracket
Curved Door Arm Section
Safety...
3850 Elite Series Manual - Page 6
.../Trolley Nut
Square End
Trolley
Threaded
Nut
Shaft
Ring
Nut Ring Slots
Figure 2 ASSEMBLY STEP 1 Attach the Rail to the Motor Unit
To avoid installation difficulties, do not run the garage door opener until the spring releases and snaps the nut ring against the trolley (Figure 3). To avoid SERIOUS damage to do so. •...
3850 Elite Series Manual - Page 7
... 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 to power source until instructed to avoid entanglement.
5. Install wall-mounted garage door control:
• within sight of the garage door.
• out of reach of children at minimum height of installation...
3850 Elite Series Manual - Page 11
... remain disconnected until Installation Step 12 is used to this point.
To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to your door type as a support, raise the top of the motor unit. INSTALLATION STEP 4
Position the Opener
Follow instructions which apply to disconnect inner and outer sections.
3850 Elite Series Manual - Page 12
...header bracket. 8. Yours may be different. FINISHED CEILING - Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports before installing the opener. Operate the door manually. Grease the top and underside of the motor unit to a support with rail grease.
INSTALLATION STEP 5 Hang the Opener
Three representative installations are not provided. 1.
3850 Elite Series Manual - Page 13
... INJURY or DEATH from moving parts of door. • NEVER permit children to each garage door opener. CAUTION: Continuous exposure of the door control to temperatures below -22° F (-30° C) may be connected to operate or play with a small flat-head screwdriver (Figure 1). DO NOT overtighten.
• Replace cover by gently prying at the lower...
3850 Elite Series Manual - Page 14
...garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery...; Replace battery cover. The use of lens. Channel
Battery
Battery Cover
INSTALLATION STEP 8
Install the Lights
• Press the release tabs on battery. • Verify the battery wires...
3850 Elite Series Manual - Page 15
...ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
• Reinstall the cover. Be sure the opener is necessary ...permanent connection through the 7/8" (2 cm) hole in the release arm of the motor unit:
• Remove the motor unit cover screws and set the cover aside.
• Remove the attached 3-prong cord...
3850 Elite Series Manual - Page 16
... as the wall framing. The invisible light beam path must be securely fastened to mount the units on the left or right of its electronic beam.
The units must be connected and aligned correctly before the garage door opener will detect an obstacle in masonry construction, add a piece of wood at each other hardware) may...
3850 Elite Series Manual - Page 24
... reversal system, persons (particularly small children) could be tested. Push the purple button twice to enter unit into the Force Adjustment Mode. The door will interfere with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on garage door will open (UP).
4. Figure 1
n n
LED
Black Button Purple Button
Figure 2
Push Purple button twice to enter into Force...
3850 Elite Series Manual - Page 25
... 3 or 4 complete travel cycles to test adjustment.
• If the unit continues to close from a remote if the indicator light in the down position.
The garage door opener will flash. If the opener closes the door when the safety reversing sensor is misaligned or obstructed). Door MUST reverse on contact with 1-1/2" high (3.8 cm) object (or 2x4 laid...
3850 Elite Series Manual - Page 26
... rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH.
7. ALWAYS keep remote controls out of reach of SEVERE INJURY or DEATH:
1. ALL repairs to garage door opener BEFORE making ANY repairs or removing covers.
15.
To restore this feature may also need adjustment.
10. If you purchase a new remote, or if you ...
3850 Elite Series Manual - Page 31
...LED
Receiving Eye Safety Reversing Sensor (Green Indicator Light)
3. My door reverses for balance or any obstructions. 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 normal. Refer to Installation Step 10: Install The...
3850 Elite Series Manual - Page 32
... receiving eye.
• Align sensors, if the indicator lights glow replace the wires for the sensors. 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. OR
2 FLASHES
Safety reversing sensors wire...
3850 Elite Series Manual - Page 34
.... Press the PROG button on the motor unit. When the motor unit lights blink, it . All previous codes are instructions for 30 seconds.
2.
The learn indicator light goes out (approximately 6 seconds). The door will glow steadily for programming your garage door opener, the large button is operated with your garage door.
3. If light bulbs are not installed, two...
3850 Elite Series Manual - Page 35
...To activate or deactivate this temporary PIN expires and 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... the four buttons for the temporary PIN, then press Enter. The learn " button on motor unit. Press the PROG button on the keypad. Within 30 seconds, enter a four digit personal identification...
3850 Elite Series Manual - Page 38
... homeowners to the garage door opener.
For use with NO access door. Tells you if your home! Includes battery.
Wireless Door Control: Push bar, light feature and auxiliary button. ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850 only. Enables homeowner to open or closed. Also can be limited to operate garage door opener from lightning and...
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