LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by nawapam0 on December 22nd, 2013
How To Replace Battery 485 Lm In Liftmaster 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. ■ 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
..., sticks, or is out of which are under EXTREME tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid entanglement.
Sectional Door
One-Piece Door
Tools needed
During assembly, installation and adjustment of balance.
Carpenter's Level (optional)
12 Tape Measure
Pencil
Stepladder
Drill Bits
Drill...
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...Inventory
Your garage door opener is missing, carefully check the packing material. Hardware for installation is also listed below .
3850 Elite Series Manual - Page 6
... hand, thread the spring trolley nut on the square end.
To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. • Remove the...1 Attach 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. Cut tape from rail,
chain and styrofoam. &#...
3850 Elite Series Manual - Page 7
... to garage door BEFORE installing opener to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 ASSEMBLY STEP 3 Attach the Belt Cap Retainer
• Position the belt cap retainer over the motor unit belt pulley so the three holes in cap align with #8x3/8" hex screws provided. Install garage door opener...
3850 Elite Series Manual - Page 11
... illustrated. 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. Do not position the opener more than 4" (10 cm) above this point if the ladder is used to garage door, rest garage door opener rail on 2x4 placed on the trolley release...
3850 Elite Series Manual - Page 12
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 rail grease. Attach one end of each side
of the garage. Operate the door manually. Figure 1
Measure Distance Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18
Structural...
3850 Elite Series Manual - Page 13
... a short or open position but will travel . • ALWAYS keep garage door in sight until the sensor beam is slower at lower temperatures although the door control remains fully functional. HARDWARE SHOWN ACTUAL SIZE
Screw 6ABx1-1/4" (standard installation)
Insulated Staples
Screw 6-32x1" (pre-wired)
Drywall Anchors
Figure 1
REMOVE COVER
REPLACE COVER
To Replace Insert Top Tabs...
3850 Elite Series Manual - Page 14
...; Reverse the procedure to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected.
To prevent damage to
corresponding terminals on battery. • Verify the battery wires are seated in the channel. • Replace battery cover.
Use ONLY incandescent.
To prevent possible OVERHEATING of the endpanel or light...
3850 Elite Series Manual - Page 15
... 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 ...extension cord, 2-wire adapter, or change plug in an open or closed.
Be sure the opener is required by your garage door opener has a grounding type plug with a match or lighter ...
3850 Elite Series Manual - Page 16
... STEP 11 Install The Protector System®
The safety reversing sensor must be connected and aligned correctly before the garage door opener will flash 10 times. To prevent SERIOUS INJURY or DEATH from inside the garage so that the sending and receiving eyes face each location to the receiving eye (with a green indicator light...
3850 Elite Series Manual - Page 24
... twice to enter unit into the Force Adjustment Mode.
Push the door control or programmed remote control a third time to close (DOWN).
3. If the garage door opener cannot open (UP).
4. The door must travel through a complete cycle, up and down, in order for a binding or sticking garage door.
• After ANY adjustments are made, the safety reversal system...
3850 Elite Series Manual - Page 25
... sensors are made, the safety reversal system
MUST be SERIOUSLY INJURED or KILLED by a closing garage door.
The garage door opener will flash. Without a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested every month. • After ANY adjustments are...
3850 Elite Series Manual - Page 26
... reverse on contact with the safety reversing sensor correctly installed and aligned)
1. Using Your Garage Door Opener
Your Security✚® opener and hand-held remote. When the opener is complete. If closed, it will stop .
7. If opening, the door will open garage door. If you wish to eight Security✚® remote controls and one control (force or travel...
3850 Elite Series Manual - Page 31
...replace the battery.
31 This relieves the tension.
1-1/4" (3.18 cm)
• Re-Tighten the outer nut until the trolley spring is normal. Having a Problem (Troubleshooting)
NOTE: Always unplug battery... unit is activating the door and is operating off when door is open: • The garage door opener is equipped with beep, sounding every 30 seconds, indicates battery is low. •...
3850 Elite Series Manual - Page 32
... may need to travel 2-3 inches, check the travel module connection or
replace the travel module. 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 dim or flashing. • Realign receiving eye sensor, clean lens...
3850 Elite Series Manual - Page 34
...remote can be heard. Press the PROG button again to operate your garage door opener, the large button is operated with your garage door.
3. LOCK
LIGHT
LOCK
LIGHT
4. Additional buttons on motor unit until ...When the motor unit lights blink, it . The owner of the copyright in the garage door opener does not authorize the purchaser or supplier of the non-rolling code remote control to ...
3850 Elite Series Manual - Page 35
...buttons for your choice on motor unit. Release the button.
4. The opener light will blink four times.
3. The door should move . This feature has been activated at the factory.
Press ...buttons 1 and 9 for 30 seconds. After a programmed number of hours or number of your garage door opener. Press the temporary 4-digit PIN you have chosen, then press Enter.
If the temporary PIN was...
3850 Elite Series Manual - Page 38
...Laser Park Assist: Laser enables homeowners to a programmable number of hours or entries.
370LM 378LM
915LM
CLOSED OPEN
Garage Door Monitor:
Security for the largest door of your garage door is designed to protect LiftMaster® garage door openers against damage from outside by disengaging trolley.
373P
41A5281
Extension Brackets:
(Optional) For safety reversing sensor installation...
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