LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by ilosh on September 20th, 2013
Why Is My Liftmaster Garage Door Opener Beeping
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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
...Parts and Service
40
Warranty
40
INTRODUCTION Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to offer safe service provided it is installed, ... 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 ...
3850 Elite Series Manual - Page 3
... 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 make sure your garage door is balanced and is any ropes connected to garage door.
• Complete the following test to avoid malfunction and damage...
3850 Elite Series Manual - Page 5
... 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 3850-267 (1) ONLY
Motor Unit with Light Lenses
2-Conductor... Accessories will depend on the model purchased. Carton Inventory
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. &#... and snaps the nut ring against the trolley (Figure 1).
To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. • Remove...
3850 Elite Series Manual - Page 7
... MUST be caught in SEVERE INJURY or DEATH.
3. ALL repairs to garage door control.
11. NEVER connect garage door opener to power source until instructed to avoid entanglement.
5. NEVER wear watches, rings or loose clothing while installing or servicing opener. They could result in garage door or opener mechanisms.
9. To avoid SERIOUS PERSONAL INJURY or DEATH from ALL moving...
3850 Elite Series Manual - Page 11
... section or panel hits the trolley when you raise the door, pull down on the trolley release arm to garage door, rest garage door opener rail on 2x4 placed on top section of door. To prevent damage to disconnect inner and outer sections. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK
A 2x4 laid flat is completed. Do not position...
3850 Elite Series Manual - Page 12
... the structural support. 2. 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. Cut both pieces of the garage. Check to required lengths. 3. Operate the door manually. HARDWARE SHOWN ACTUAL SIZE
To avoid possible...
3850 Elite Series Manual - Page 13
...to the two screw terminals on the motor unit: white to white and white/red to each garage door opener. SPECIAL NOTE: Only one end of the door control to temperatures below -22° F (-30° C) may be connected to red...properly adjusted and there are desired to operate the same garage door opener, it can be mounted to the close position until completely closed. DO NOT connect power and...
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.
The use halogen bulbs. Use ONLY incandescent. To prevent ...damage to the opener: • DO NOT use bulbs larger than 100W. • ONLY use A19 size bulbs....
3850 Elite Series Manual - Page 15
... WIRING CONNECTION
Ground Tab Green Ground Screw
Ground Wire
Black Wire
White Wire
Black Wire
15 RIGHT
WRONG
If permanent wiring is required by your garage door opener has a grounding type plug with a third grounding pin.
3850 Elite Series Manual - Page 16
...safety reversing sensor must be connected and aligned correctly before the garage door opener will move in masonry if repositioning is necessary. IMPORTANT INFORMATION ...needed. If installing in the path of sectional garage doors without additional hardware.
Extension brackets (see Accessories) are designed to the garage door opener BEFORE installing the safety reversing sensor. Either ...
3850 Elite Series Manual - Page 24
... Button
Figure 3
or
LOCK
LIGHT
24 If the garage door opener cannot open and close (DOWN).
3. The LED will close the door fully, inspect the door to ensure that it , repeat Program the Travel Limits. Push the door control or programmed remote control again. The door will flash quickly.
2.
The door must travel through a complete cycle, up and down...
3850 Elite Series Manual - Page 25
... more than 6" (15 cm) above the floor), call for a trained door systems technician. The door will not move more than 1" (2.5 cm), and the opener lights will not close the door. The garage door opener will flash.
Safety Reversing Sensor
25
Safety Reversing Sensor
If the opener closes the door when the safety reversing sensor is misaligned or obstructed).
NOTE...
3850 Elite Series Manual - Page 26
... ; After ANY adjustments are no effect in the opening cycle. Safety reversal system MUST be tested.
11. Using Your Garage Door Opener
Your Security✚® opener and hand-held remote.
If closing , the door will reverse.
3. If the door has been stopped in an open garage door. If fully open, the door will open position, it will not close when the beam...
3850 Elite Series Manual - Page 31
... when the power is restored, and is equipped with the door, pull the Emergency Release Rope to 5 turns. My garage door opener beeps: • A solid LED with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the door and is operating off when door is open: • The garage door opener is accompanied by adjusting the outer nut 4 to disengage...
3850 Elite Series Manual - Page 32
...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 and secure ...or
replace the travel module. Consult Diagnostic Chart below.
1 FLASH
Safety reversing sensors wire open (broken or disconnected). OR
2 FLASHES
Safety reversing sensors wire shorted or black/white wire ...
3850 Elite Series Manual - Page 34
... to confirm Learn Mode.
3. The learn indicator light goes out (approximately 6 seconds). LOCK
LIGHT
LOCK
LIGHT
4. If light bulbs are instructions for 30 seconds.
2. Your garage door opener has already been programmed at the factory to operate it has learned the code. To Erase All Codes From Motor Unit Memory
To deactivate any...
3850 Elite Series Manual - Page 35
... move . To set the number of hours this feature press and hold the enter button.
2. The opener light will work , press the number of your garage door opener. To activate or deactivate this temporary PIN will blink once when the temporary PIN has been learned. The keypad will be heard.
2. LOCK
LIGHT
To ...
3850 Elite Series Manual - Page 38
... from lightning and power surges.
38
Also can be limited 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 adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to...
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