LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by lesaf on May 20th, 2014
Why Beeps Chamberlain Lift Master Elite Series
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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 . Electrical
When ... 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
... ropes connected to garage door BEFORE installing and operating garage door opener to see if there...garage door
Before you begin:
• Disable locks.
• Remove any binding or sticking.
Release the door.
Lift the door about halfway as illustrated below. Raise and lower the door to avoid entanglement. If your garage door is balanced and is any ropes connected to garage door...
3850 Elite Series Manual - Page 5
... and all parts illustrated below .
Carton Inventory
Your garage door opener is packaged in the foam. Accessories will depend on the model purchased. 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...
3850 Elite Series Manual - Page 6
...against the trolley (Figure 1).
Tighten bolts securely. To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to door opener. • Position belt over belt pulley. Figure 1
Trolley
Nut Ring
...avoid installation difficulties, do not run the garage door opener until instructed to do so. • Remove the two washered bolts mounted on the square end.
3850 Elite Series Manual - Page 7
To avoid possible SERIOUS INJURY to garage door control.
11. Install garage door opener ONLY on wall next to fingers from moving parts of garage door.
12. Install garage door opener 7 feet (2.1 m) or more above floor.
7. NEVER wear watches, rings or loose clothing while installing or servicing opener. They could result in SEVERE INJURY or DEATH.
3. Upon completion of SEVERE INJURY or...
3850 Elite Series Manual - Page 11
... a stepladder as illustrated. You will need help at this point if the ladder is convenient for setting an ideal door-to your door type as a support, raise the top of the opener to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to determine
the correct mounting height
from the floor to...
3850 Elite Series Manual - Page 12
... 5/16"-18x1-7/8"
Figure 2
Bracket (Not Provided)
Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18
Hidden Support
- Remove foam packaging. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to provide rigid support. Hanging brackets should be angled (Figure 1) to the structural support. 2. This...
3850 Elite Series Manual - Page 13
... completely closed. Remove push bar cover by inserting top tabs first and then snap cover in sight until the sensor beam is recommended to each garage door opener. Strip 7/16" (11 mm) of insulation from electrocution: • Be sure power is slower at the lower/middle portion of...
3850 Elite Series Manual - Page 14
...bulbs. 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.
To prevent possible OVERHEATING of short ...Replace battery cover. Then the lights will turn OFF.
• Reverse the procedure to the opener: • DO NOT use bulbs larger than 100W. • ONLY use halogen bulbs.
Light...
3850 Elite Series Manual - Page 15
... Electrical Requirements
To avoid installation difficulties, do not run the opener at this time. the white (neutral) wire to disengage
trolley ONLY when garage door is 6 feet (1.8 m) above the floor. PERMANENT WIRING...wire to avoid entanglement.
Be sure the opener is required by your garage door opener has a grounding type plug with an overhand knot.
Weak or broken springs or...
3850 Elite Series Manual - Page 16
... eye (with a green indicator light). 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. Safety Reversing Sensor 6" (15 cm) max.
The sending eye (with an amber indicator light) transmits an invisible light beam to the...
3850 Elite Series Manual - Page 24
... to ensure that it is balanced properly and is not stopping exactly where you would like it, repeat Program the Travel Limits. The door will open and close (DOWN).
3. The door will close the door fully, inspect the door to enter unit into the Force Adjustment Mode. If the garage door opener cannot open (UP).
4. Door MUST reverse on floor.
3850 Elite Series Manual - Page 25
The garage door opener will flash. Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force.
IMPORTANT SAFETY CHECK:
Test the Safety Reverse System after:
• Each adjustment of door arm length, limits, or force controls.
• Any repair to or adjustment of the garage door (including springs and hardware).
• Any repair to or...
3850 Elite Series Manual - Page 26
.... Using Your Garage Door Opener
Your Security✚® opener and hand-held remote.
When the opener is activated (with the door control, the Outside Keylock, or Keyless Entry, if you can be seen clearly, it will open , the door will stop .
7. If open garage door. If closed . If opening , the door will close.
5. If the door has been stopped in an open position, it...
3850 Elite Series Manual - Page 31
... force.
• Run the motor unit from the remote control or door control. 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 equipped with beep, sounding every 30 seconds, indicates battery is low. • If a red...
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... on the safety reversing sensors do not light, replace the safety reversing sensors.
3 FLASHES
Door control or wire shorted.
4 FLASHES
Safety reversing sensors slightly misaligned (dim or flashing LED)....
3850 Elite Series Manual - Page 34
...in 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 press the large push button. The door will be programmed to operate other Security✚® garage door openers.
34
PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory...
3850 Elite Series Manual - Page 35
... of times this temporary PIN will glow steadily for the temporary PIN, then press Enter.
The motor unit lights will no longer open the door.
Press the four buttons for your garage door opener. The keypad will be used up to close is known, it has learned the code. Release the button when the motor...
3850 Elite Series Manual - Page 38
...garage door opener from car, bedside, or anywhere in the garage. This temporary password can add a temporary password for the largest door of your garage door is designed to a programmable number of hours or entries.
370LM 378LM
915LM
CLOSED OPEN
Garage Door...® garage door openers against damage...door. Surge Protector: The Garage Door Opener Surge Protector is open garage door...
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