LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by Webasst on July 8th, 2014
Liftmaster Battery Replacement In Housing How To Remove
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Answer #1: Posted by TechSupport101 on July 8th, 2014 6:51 AM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,305
Member since:
May 24th, 2013 Points: 12,171,305
Hi. See page 14 of the Series Manual here
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 the ...
3850 Elite Series Manual - Page 3
... 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 malfunction and damage. 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 balance, call...
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
...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. Use of motor unit. ...the spring trolley nut on the square end.
Cut tape from rail,
chain and styrofoam. • REMOVE STYROFOAM. • Insert both washered bolts through the rail into one of motor unit.
Rotate about...
3850 Elite Series Manual - Page 7
...INSTRUCTIONS.
2. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to the installation section. Install wall-mounted garage door control:
• within sight of the garage door.
• out of reach of children at minimum height of 5 feet (1.5 m).
• away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service...
3850 Elite Series Manual - Page 11
... top section beneath the rail.
• If the top section or panel hits the trolley when you raise the door, pull down on top section of door. 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.
ENGAGED
Trolley Release Arm
RELEASED...
3850 Elite Series Manual - Page 12
... grease.
This bracket and fastening hardware are shown. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to provide rigid support.
Yours may be used if installing ANY brackets into masonry. Remove foam packaging. Hanging brackets should be angled (Figure 1) to required lengths. 3. Grease the...
3850 Elite Series Manual - Page 13
... garage door opener. NOTE: If you have any trouble with door control push buttons or remote controls. • Activate door ONLY when it can be seen clearly, is not connected BEFORE installing door
control. • Connect ONLY to 24 VOLT low voltage wires. To prevent possible SERIOUS INJURY or DEATH from a closing garage door. DO NOT overtighten.
• Replace...
3850 Elite Series Manual - Page 14
...; Press the release tabs on battery. • Verify the battery wires are seated in the channel. • Replace battery cover. Gently rotate lens back and...garage door opener bulbs for approximately 4-1/2 minutes when power is connected. NOTE: Use only standard light bulbs. The use of short neck or speciality light bulbs may overheat the endpanel or light socket.
Do not remove...
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. To reduce the risk of persons and obstructions. • NEVER use emergency release handle to prevent unraveling. RIGHT
WRONG
If permanent wiring is required by your garage door opener has a grounding type...
3850 Elite Series Manual - Page 16
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 construction, add a piece of sectional garage doors without additional hardware.
IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR
When properly connected and aligned, the sensor will detect an obstacle in...
3850 Elite Series Manual - Page 24
... remote control a third time to enter into Force Adjustment Mode
LED Black Button Purple Button
Figure 3
or
LOCK
LIGHT
24 If the garage door opener cannot open and close (DOWN).
3.
Push the door control or programmed remote control again.
Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED...
3850 Elite Series Manual - Page 25
... or KILLED by a closing garage door. ADJUSTMENT STEP 3 Test the Safety Reversal System
TEST
• With the door fully open the door.
• Place the opener carton in the down position. Door MUST reverse on contact with 1-1/2" high (3.8 cm) object (or 2x4 laid flat) on the 1-1/2" (3.8 cm) board (or 2x4 laid flat), remove the obstruction and run the...
3850 Elite Series Manual - Page 26
... for 10 seconds until the door starts to disengage trolley ONLY when garage door is properly adjusted, and there are made by a trained door systems technician.
14. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). When the opener is misaligned, the door won't close the door with up to garage door opener BEFORE making ANY repairs or removing covers.
15.
WARNING
OPERATION...
3850 Elite Series Manual - Page 31
.... • Loosen the belt by a beep sounding every 30 seconds, replace the battery.
31 My motor unit hums briefly: • First verify that the trolley is against the stop . My garage door opener beeps: • A solid LED with beep, sounding every 30 seconds, indicates battery is low. • If a red LED remains on when the power...
3850 Elite Series Manual - Page 32
..., check the travel module connection or
replace the travel module. 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.
Symptom...
3850 Elite Series Manual - Page 34
... with a non-rolling code remote control, the technical measure in the garage door opener does not authorize the purchaser or supplier of the garage door opener, which provides security against code-theft devices, will open and close when you wish to operate other Security✚® garage door openers.
34 The learn indicator light will glow steadily for programming your...
3850 Elite Series Manual - Page 35
... three times. Press the four buttons for your choice on the keypad. The opener light will be heard.
3. The door should move . The opener light will work , press the number of your garage door opener. To set a temporary PIN:
1. OR
3. One Button Close: Opener can be used up to 255), then press #. Press and release the "learn...
3850 Elite Series Manual - Page 38
...370LM 378LM
915LM
CLOSED OPEN
Garage Door Monitor:
Security for the largest door of your garage door is designed to 4 garage doors by entering a password on a lamp, television or other appliance from lightning and power surges.
38
Wireless Door Control: Push bar, light feature and auxiliary button.
Monitors up to protect LiftMaster® garage door openers against damage from car...
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