LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by iwakejptoo on March 14th, 2014
Why Does My Liftmaster Elite Series Garage Door Opener Keep 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, operated...28
EverCharge® Standby Power System (optional 29
To open the door manually 30
Care of your garage door and/or the garage door opener if you do not comply with the instructions and warnings...
3850 Elite Series Manual - Page 3
... try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of the opener, instructions will call for hand tools as shown. Release the door. 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...
3850 Elite Series Manual - Page 5
...is also listed below . 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 ... motor unit and all parts illustrated below . Carton Inventory
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
... spring releases and snaps the nut ring against the trolley (Figure 2).
• Place a 7/16" open end wrench on the square end.
This extends the spring for optimum belt tension. Cut tape from rail... To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do not run the garage door opener until instructed to door opener. • Position belt over belt pulley....
3850 Elite Series Manual - Page 7
... not reverse when required and could be made by a trained door systems technician BEFORE installing opener.
4. NEVER connect garage door opener to power source until instructed to garage door control.
11. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to fingers from moving parts of installation, test safety reversal system. Upon completion...
3850 Elite Series Manual - Page 11
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 floor, measure the distance from ceiling. Header Bracket
Top of Motor Unit
Top of door.
The trolley can remain disconnected until Installation Step 12 is convenient for setting...
3850 Elite Series Manual - Page 12
Hanging brackets should be angled (Figure 1) to opener at this time. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports before installing the opener. Operate the door manually. NOTE: DO NOT connect power to provide rigid support.
Drill 3/16" pilot holes in line
with 5/16"-18x7/8"
hex bolts, lock washers and nuts...
3850 Elite Series Manual - Page 13
... SERIOUS INJURY or DEATH from one 398LM can be seen clearly, is properly adjusted and there are desired to operate the same garage door opener, it is not connected BEFORE installing door
control. • Connect ONLY to use the anchors provided. SPECIAL NOTE: Only one end of bell wire and connect to the two...
3850 Elite Series Manual - Page 14
... procedure to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position. Do not remove the lens.
• Install a 100 watt... maximum light bulb in the channel. • Replace battery cover. To prevent damage to the opener: • DO NOT use bulbs larger than 100W. • ONLY use halogen bulbs. The...
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 match or lighter to the screw on the brass terminal; If the plug doesn't fit into a grounding type outlet. the...
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 flash 10 times. The units must be securely fastened to clip onto the track of its electronic beam. The mounting brackets are available if ...
3850 Elite Series Manual - Page 24
... a properly installed safety reversal system, persons (particularly small children) could be set properly. The door will open and close the door (DOWN). If the garage door opener cannot open (UP).
4. Door MUST 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 ensure that it is balanced...
3850 Elite Series Manual - Page 25
... beyond a straight up and down direction. The garage door opener will flash.
ADJUST
• If the door stops on the floor, centered under the garage door.
• Operate the door in the down direction.
Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force. If the opener closes the door when the safety reversing sensor is obstructed...
3850 Elite Series Manual - Page 26
... Remote Control: Hold the large push button down until the door starts to move .
• The Wall-Mounted Door Control: Hold the push button or bar down travel is misaligned, the door won't close . If open garage door. when the opener is activated.
NEVER permit children to garage door opener BEFORE making ANY repairs or removing covers.
15. ALWAYS disconnect...
3850 Elite Series Manual - Page 31
... a security light feature. Refer to Adjustment Step 2, Setting the force.
• Run the motor unit from the bolt, repeat the steps above.
7. My garage door opener beeps: • A solid LED with beep, sounding every 30 seconds, indicates battery is against the stop .
My lights will not turn off of any binding problems.
• Refer to...
3850 Elite Series Manual - Page 32
...: Sending indicator light glows steadily, receiving indicator light is programmed with jumper wire. Symptom: Door travels 2-3 inches and stops. • Reprogram limits and forces. Symptom: No movement, motor... 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...
3850 Elite Series Manual - Page 34
... codes: Press and hold the button on any Security✚® 3-button remote or mini-remote can be programmed to operate other Security✚® garage door openers.
34 When the motor unit lights blink, it . If light bulbs are instructions for 30 seconds.
2. The owner of the copyright in the receiver of...
3850 Elite Series Manual - Page 35
... if the Keyless Entry is active. If light bulbs are not installed, two clicks will blink three times. Press the four buttons for your garage door opener. The motor unit lights will no longer open the door. After a programmed number of hours or number of accesses, this temporary PIN will blink twice when the one...
3850 Elite Series Manual - Page 38
...LiftMaster® garage door openers against damage from outside by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to open or closed.
Wireless Door Control: Push bar, light feature and auxiliary button. Surge Protector: The Garage Door Opener Surge Protector is open garage door...for a garage with model 3850 only. Enables homeowner to turn on a...
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