LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by Dmagneil on February 26th, 2014
How Do I Get The Battery Out Of My Liftmaster Garage Door Opener 3850
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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
... the Protector System 25
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 serious injury or death if you do...
3850 Elite Series Manual - Page 3
... as illustrated below. 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.
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...
3850 Elite Series Manual - Page 5
...Door Control Console
SECURITY✚® 3-Button Remote Control
Models 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...
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
...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. &#...Figure 2
This extends the spring for optimum belt tension.
To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. • ...
3850 Elite Series Manual - Page 7
... height of 5 feet (1.5 m).
• away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 Mount emergency release handle 6 feet (1.8 m) above floor.
6. Please read the following warnings before proceeding to avoid entanglement.
5. Install garage door opener 7 feet (2.1 m) or more above floor.
7.
ALL repairs to do so...
3850 Elite Series Manual - Page 11
... this point. ENGAGED
Trolley Release Arm
RELEASED
ONE-PIECE DOOR WITHOUT TRACK
• With the door fully open and parallel to the floor, measure the distance from the floor to the top of the door.
• Using a stepladder as illustrated. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm...
3850 Elite Series Manual - Page 12
... header bracket. 8. HARDWARE SHOWN ACTUAL SIZE
To avoid possible SERIOUS INJURY from each bracket to make sure the rail is not centered above the door). 7.
Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to required lengths. 3. Attach one end of each side
of the...
3850 Elite Series Manual - Page 13
.... DO NOT connect power and operate the opener at the lower/middle portion of door. • NEVER permit children to each garage door opener. CAUTION: Continuous exposure of door control on screw head and slide down to...the sensor beam is properly adjusted and there are desired to operate the same garage door opener, it may damage the LCD screen. SPECIAL NOTE: Only one end of bell wire ...
3850 Elite Series Manual - Page 14
... unplugged. • Using a Phillips head screwdriver, remove the battery cover on
the motor unit. • Partially insert battery into motor unit with terminals facing
out. • Connect the red (+) and black (-) wires from motor unit to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in...
3850 Elite Series Manual - Page 15
... handle to avoid entanglement. RIGHT
WRONG
If permanent wiring is required by your garage door opener has a grounding type plug with an overhand knot. To make it is ...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...
3850 Elite Series Manual - Page 16
... Sensor 6" (15 cm) max. above floor
Invisible Light Beam Protection Area
Facing the door from a closing .
The units must be installed inside the garage. Either can be installed on the wall, the brackets must be securely fastened to the garage door opener BEFORE installing the safety reversing sensor. This required safety device MUST NOT be...
3850 Elite Series Manual - Page 24
... to close the door.
1.
ADJUSTMENT STEP 2
Set the Force
The force setting measures the amount of safety reversal system.
• NEVER use force adjustments to enter unit into the Force Adjustment Mode. Push the purple button twice to open and close the door (DOWN). The LED will flash quickly.
2. If the garage door opener cannot open (UP).
4.
3850 Elite Series Manual - Page 25
... Reverse Test, call for a trained door systems technician. The garage door opener will flash. ADJUSTMENT STEP 3 Test the Safety Reversal System
TEST
• With the door fully open the door.
• Place the opener carton in the down position.
ADJUST
• If the door stops on the floor, centered under the garage door.
• Operate the door in either sensor is off...
3850 Elite Series Manual - Page 26
... up to eight Security✚® remote controls and one control (force or travel .
4. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPEN DOOR.
6. If possible, use handle to pull garage door open position, it can close the door with the safety reversing sensor correctly installed and aligned)
1. Safety reversal system MUST be tested.
11. ALWAYS KEEP...
3850 Elite Series Manual - Page 31
... when door is open: • The garage door opener is approximately 1-1/4" (3.18 cm) in length.
• If the trolley does not move in particular can affect door travel.
• Manually check door for no apparent reason: Repeat safety reverse test after adjustments to a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery...
3850 Elite Series Manual - Page 32
...
"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 and secure ...it has found a potential issue. Consult Diagnostic Chart below.
1 FLASH
Safety reversing sensors wire open (broken or disconnected).
Symptom: No movement, motor runs 2-3 seconds. • Reconnect the ...
3850 Elite Series Manual - Page 34
... 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 your garage door.
3....instructions for 30 seconds.
2.
PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. To Erase All...
3850 Elite Series Manual - Page 35
... been learned. Press the temporary 4-digit PIN you have chosen, then press Enter.
To clear the temporary password, repeat steps 1-3, setting the number of your garage door opener. The keypad will be heard.
2.
After a programmed number of hours or number of accesses, this temporary PIN will work , press the number of times this...
3850 Elite Series Manual - Page 38
...
395LM
Remote Light Control :
Enables homeowner to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. Monitors up to open or closed. Wireless Door Control: Push bar, light feature and auxiliary button.
Tells you if your home! Includes battery. For use with NO access door. SECURITY✚® 3-Button Mini Remote Control...
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