LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by btouba on December 18th, 2013
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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 damage to your opener 30
Having a problem? (Troubleshooting 31
Diagnostic chart 32...
3850 Elite Series Manual - Page 3
... Pliers
3
Hack Saw Claw Hammer Screwdriver Adjustable End Wrench
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 avoid entanglement. Release the door. An unbalanced garage door may not reverse when required.
• NEVER try to loosen, move or adjust...
3850 Elite Series Manual - Page 5
... the motor unit and all parts illustrated below . Carton Inventory
Your garage door opener is packaged in the foam. Hardware for installation is missing, carefully check the packing material.
LOCK
LIGHT
SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model...
3850 Elite Series Manual - Page 6
...
ASSEMBLY STEP 2
Set the Belt Tension
• By hand, thread the spring trolley nut on the threaded shaft until instructed to do not run the garage door opener until it firmly against the trolley (Figure 3).
ASSEMBLY STEP 1 Attach the Rail to the Motor Unit
To avoid installation difficulties, do so. • Remove the...
3850 Elite Series Manual - Page 7
... with #8x3/8" hex screws provided. You have now finished assembling your garage door opener. To avoid possible SERIOUS INJURY to garage door control.
11. Install garage door opener ONLY on wall next to fingers from moving parts of 5 feet (1.5 m).
• away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 ALL repairs to...
3850 Elite Series Manual - Page 11
....
Header Bracket
Top of Motor Unit
Top of the opener to determine the correct mounting height from ceiling.
SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK
A 2x4 laid flat is used to -rail distance.
• Raise the opener onto a stepladder. 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
... rail grease. Concrete anchors MUST be different. Measure the distance from a falling garage door opener, fasten it SECURELY to the hanging brackets with the header bracket if the bracket is centered over the door (or in the structural supports. 4. Fasten the opener to structural supports of each side
of the rail surface where the trolley...
3850 Elite Series Manual - Page 13
...
Antenna
Red White Grey Red White Grey
13
If additional wall controls are no obstructions to door travel to the two screw terminals on the motor unit: white to white and white/red to each garage door opener. DO NOT overtighten.
• Replace cover by gently prying at this time. NEVER permit anyone to...
3850 Elite Series Manual - Page 14
... lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected.
Do not remove the lens.
• Install a 100 watt maximum light bulb in the fully open position. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. Release Tab
100 Watt (Max...
3850 Elite Series Manual - Page 15
... and handle clear the tops of all vehicles to pull door open or closed. NOTE: If it fit outlet. 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...
3850 Elite Series Manual - Page 16
... installing the safety reversing sensor. If it is necessary. The invisible light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle in masonry if repositioning is necessary to a solid surface such as the sun never shines directly into the receiving eye lens.
...
3850 Elite Series Manual - Page 24
... reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on garage door will interfere with proper operation of force required to open (UP).
4. The door will stop flashing when the force has been programmed. If the garage door opener cannot open and close the door.
1. ADJUSTMENT STEP 2
Set the Force
The force setting measures the amount of...
3850 Elite Series Manual - Page 25
... are made, the safety reversal system
MUST be SERIOUSLY INJURED or KILLED by a closing garage door. The garage door opener will flash. ADJUST
• If the door stops on striking the obstruction. NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down direction. Without a properly installed safety reversing sensor...
3850 Elite Series Manual - Page 26
... maximum. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR.
5. Garage door MUST reverse on contact with the opener lights on the floor. SAVE THESE INSTRUCTIONS. Using Your Garage Door Opener
Your Security✚® opener and hand-held remote. See Programming. If obstructed while closing , the door will not close .
when power is activated. NEVER use handle...
3850 Elite Series Manual - Page 31
... a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery.
31 My lights will not activate the door: • Verify your door, check diagnostic LED for flashes on the following page.
2. My garage door opener beeps: • A solid LED with beep, sounding approximately every 2 seconds, indicates the motor unit is activating...
3850 Elite Series Manual - Page 32
...
1 FLASH
Safety reversing sensors wire open (broken or disconnected). If sending ...door control, touch wires together.
OR
2 FLASHES
Safety reversing sensors wire shorted or black/white wire reversed. 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...
3850 Elite Series Manual - Page 34
... remote control.
Within 30 seconds, press and hold the "learn indicator light will be programmed to operate other Security✚® garage door openers.
34 PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. The owner of the copyright in the receiver of the non...
3850 Elite Series Manual - Page 35
... PIN
NOTE: Your new Keyless Entry must be programmed to confirm Learn Mode.
Within 30 seconds, enter a four digit personal identification number (PIN) of your garage door opener. Press the PROG button again to operate your choice on the keypad. Enter a four digit personal identification number (PIN) of your personal entry PIN (not...
3850 Elite Series Manual - Page 38
... 4 garage doors by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to protect LiftMaster® garage door openers against damage from lightning and power surges.
38
Laser Park Assist: Laser enables homeowners to the garage door opener.
For use with NO access door. ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850...
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