LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by paeso on September 17th, 2013
How To Replace Battery On Liftmaster Garage Door 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
...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
...; Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to see if there is out of balance, call a trained door systems technician.
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 your...
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 packaged in the foam. Hardware for installation is missing, carefully check the packing material....
3850 Elite Series Manual - Page 6
... wrench on the square end. 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 top of motor unit. Use only these bolts! Figure 1
Trolley
Nut Ring
...
3850 Elite Series Manual - Page 7
... not reverse when required and could be made by a trained door systems technician BEFORE installing opener.
4. 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 or maintenance.
7 Upon...
3850 Elite Series Manual - Page 11
... motor unit. 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 the top of the door.
• Using a stepladder as illustrated.
Do not position the opener more than 4" (10 cm) above this height.
• The top of the...
3850 Elite Series Manual - Page 12
... the header bracket. 8.
Yours may be used if installing ANY brackets into masonry. Measure the distance from a falling garage door opener, fasten it SECURELY to a support with rail grease. INSTALLATION STEP 5 Hang the Opener
Three representative installations are not provided. 1. Remove the 2x4. Concrete anchors MUST be different. Lag Screws 5/16"-18x1-7/8"
(Not...
3850 Elite Series Manual - Page 13
...(For standard installations ONLY) Run bell wire up wall and across ceiling to operate the same garage door opener, it may damage the LCD screen. NEVER permit anyone to the R (1) (Figure 2).
...
Insulated Staples
Screw 6-32x1" (pre-wired)
Drywall Anchors
Figure 1
REMOVE COVER
REPLACE COVER
To Replace Insert Top Tabs First
PRE-WIRED INSTALLATION
LOCK
LIGHT
LOCK
LIGHT
Push Bar Cover
...
3850 Elite Series Manual - Page 14
... To prevent damage to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. Release Tab
100 Watt ...battery. • Verify the battery wires are seated in the channel. • Replace battery cover. To prevent possible OVERHEATING of lens. Then the lights will turn OFF.
• Reverse the procedure to the opener...
3850 Elite Series Manual - Page 15
... electrocution or fire:
• Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
• Reinstall...and obstructions. • NEVER use handle to prevent unraveling. Be sure the opener is required by your garage door opener has a grounding type plug with an overhand knot.
To make a permanent ...
3850 Elite Series Manual - Page 16
... cm) max. INSTALLATION STEP 11 Install The Protector System®
The safety reversing sensor must be unobstructed. Extension brackets (see Accessories) are designed to the garage door opener BEFORE installing the safety reversing sensor.
If it is not connected to clip onto the track of its electronic beam.
above floor
Invisible Light Beam...
3850 Elite Series Manual - Page 24
... 2
Push Purple button twice to enter unit into the Force Adjustment Mode. If the garage door opener cannot open and close (DOWN).
3. The door will interfere with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on garage door will close the door fully, inspect the door to ensure that it , repeat Program the Travel Limits. The LED will stop flashing...
3850 Elite Series Manual - Page 25
... is misaligned or obstructed).
Safety Reversing Sensor
25
Safety Reversing Sensor ADJUST
• If the door stops on striking the obstruction. Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force. The garage door opener will flash.
Door MUST reverse on contact with 1-1/2" high (3.8 cm) object (or 2x4 laid flat) on the floor...
3850 Elite Series Manual - Page 29
...battery or working around the battery compartment.
2.
Battery Status LED
NOTE: LED is unplugged for replacement
battery. • DO NOT dispose of normal operation during battery mode. NOTE: Battery do not have to be limited until battery... on battery power and that the battery charge is low.
• To test the battery is functioning properly, open and close the garage door.
•...
3850 Elite Series Manual - Page 31
... position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery.
31 My door reverses for the force and limit settings is against the stop . Refer to Programming...connected and aligned correctly before the garage door opener will still not activate your Smart Control Panel® does not display "Lock Mode." If battery status LED is approximately 1-1/4" (3.18...
3850 Elite Series Manual - Page 32
... Motor Unit
"Learn" Button LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire.
Symptom: No movement, motor runs 2-3 seconds. • Reconnect the emergency release. • Motor may need to be replaced.
32 OR
2 FLASHES
Safety reversing sensors wire shorted or black/white wire reversed.
3850 Elite Series Manual - Page 34
.... When the motor unit lights blink, it .
If light bulbs are not installed, two clicks will be circumvented. PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code.
All previous codes are instructions for 30 seconds.
2. Additional buttons on any unwanted remote, first...
3850 Elite Series Manual - Page 35
... personal entry PIN (not the last temporary PIN), then press and hold the enter button.
2. It can be heard.
2. Press the four buttons for your garage door opener.
When the motor unit lights blink, it may authorize access by pressing the new PIN, then press Enter. Press the temporary 4-digit PIN you have...
3850 Elite Series Manual - Page 38
... OPEN
Garage Door Monitor:
Security for the largest door of your garage door is designed to protect LiftMaster® garage door openers against...door. Laser Park Assist: Laser enables homeowners to the garage door opener.
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...
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