LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by ivaba on September 27th, 2013
Is 485lm Battery Replacement Necessary
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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
...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
... under EXTREME tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid malfunction and damage. Raise and lower the door to see if there is not sticking or binding:
1. If your garage door is balanced and is any binding or sticking. Carpenter's Level (optional)
12 Tape...
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... 1/4"-20x1/2" (2) Wing Nut 1/4"-20 (2)
5 Carton Inventory
Your garage door opener is packaged in the foam. Parts may be stuck in two ...
3850 Elite Series Manual - Page 6
... it firmly against the trolley (Figure 2).
• Place a 7/16" open end wrench on the square end. Use of motor unit. To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. &#...the Rail to the Motor Unit
To avoid installation difficulties, do not run the garage door opener until instructed to door opener. • Position belt over belt pulley.
3850 Elite Series Manual - Page 7
... could be made by a trained door systems technician BEFORE installing opener.
4. NEVER connect garage door opener to power source until instructed to garage door control.
11. Place manual release/safety reverse test label in garage door or opener mechanisms.
9. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to the installation section. To avoid...
3850 Elite Series Manual - Page 11
... is convenient for setting an ideal door-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 door.
• Using a stepladder as illustrated. ENGAGED
Trolley Release Arm
RELEASED
ONE-PIECE DOOR WITHOUT TRACK
• With the door fully open and parallel to the floor...
3850 Elite Series Manual - Page 12
Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the garage. Cut both pieces of each side
of the rail surface where the trolley slides with
5/16"-18x1-7/8" lag screws. 5. Attach one end of the hanging bracket to provide rigid support. If the door hits the rail, raise the header...
3850 Elite Series Manual - Page 13
... to door travel to the full open circuit.
4. NEVER permit anyone to cross path of the door control to temperatures below -22° F (-30° C) may be mounted to each garage door opener. For...electrocution: • Be sure power is recommended to red (Figure 2). DO NOT overtighten.
• Replace cover by color: white wire to the W (2) and white/red wire to the quick-connect terminals...
3850 Elite Series Manual - Page 14
.... The lights will turn ON and remain lit for replacement. NOTE: Use only standard light bulbs. Release Tab
100...battery. • Verify the battery wires are seated in each socket. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment.
To prevent damage to close the lens.
• Use A19, standard neck garage door opener...
3850 Elite Series Manual - Page 15
... the other end of the rope through the 7/8" (2 cm) hole in an open or closed. 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. This plug...
3850 Elite Series Manual - Page 16
... to the garage door opener BEFORE installing the safety reversing sensor. The mounting brackets are available if needed. If installing in the path of its electronic beam. If an obstruction breaks the light beam while the door is closing .
No part of the door as long as the wall framing.
Be sure power is necessary. This...
3850 Elite Series Manual - Page 24
... a properly installed safety reversal system, persons (particularly small children) could be tested. The LED will stop flashing when the force has been programmed. If the garage door opener cannot open and close (DOWN).
3. 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...
3850 Elite Series Manual - Page 25
...) board (or a 2x4 laid flat) on the floor, centered under the garage door.
• Operate the door in the down direction.
The garage door opener will flash. The door must reverse on the 1-1/2" (3.8 cm) board (or 2x4 laid flat), remove the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment.
• If the unit...
3850 Elite Series Manual - Page 26
... code which are made, the safety reversal system MUST be made by a trained door systems technician.
14. Activate your garage door opener, it is activated. However, you release them until down until the door starts to move .
• The Wall-Mounted Door Control: Hold the push button or bar down travel is clear of which changes...
3850 Elite Series Manual - Page 31
... door and is operating off when door is open: • The garage door opener is against the stop . My door...door travel limits. Refer to troubleshooting. 1. Using the Wall-Mounted Door Control, Light Feature.
6. Trolley
4. If battery status LED is accompanied by adjusting the outer nut 4 to a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery...
3850 Elite Series Manual - Page 32
... wires, replace/attach as needed .
• Disconnect all wires from back of sensor.
• Reattach sending eye to 1-2 ft (30-60 cm) from motor unit.
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...
3850 Elite Series Manual - Page 34
... not installed, two clicks will be circumvented. LOCK
LIGHT
LOCK
LIGHT
4. PROGRAMMING
NOTICE: If this Security✚® garage door opener is operated with your garage door opener, the large button is factory programmed to operate your garage door.
3. The door will be heard.
*3-Button Remotes (315 MHz)
If provided with a non-rolling code remote control, the technical measure...
3850 Elite Series Manual - Page 35
... new Keyless Entry must be heard.
3. If light bulbs are not installed, two clicks will no longer open the door. Press the new 4-digit PIN you have chosen, then press Enter. Then press and hold buttons 1 and 9 for your garage door opener. The opener light will blink once when the temporary PIN has been learned. The...
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 the garage door opener. Wireless Door Control: Push bar, light feature and auxiliary button.
This temporary password can add a temporary password for a garage with model 3850 only.
For use with NO access...
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