LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by AlbTay on April 4th, 2014
How To Unlock Elite Series Liftmaster Side Mount
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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 .
Read the...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 ...
3850 Elite Series Manual - Page 3
... are under EXTREME tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid malfunction and damage.
Preparing your garage door
Before you begin:
• Disable locks.
• Remove any ropes connected to garage door.
• Complete the following test to see if there is any binding or...
3850 Elite Series Manual - Page 5
... Bolt 1/4"-20x1/2" (2) Wing Nut 1/4"-20 (2)
5 Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below . Carton Inventory
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
...
Nut Ring Slots
Figure 2 To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. • Remove the two washered bolts mounted on the square end. Washered Bolt 5/16"-18x1/2"
Rail...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.
3850 Elite Series Manual - Page 7
... hardware MUST be caught in SEVERE INJURY or DEATH.
3.
NEVER connect garage door opener to power source until instructed to fingers from moving parts of the door.
10. To avoid possible SERIOUS INJURY to do so.
8. Place manual release/safety reverse test label in mounting plate. ASSEMBLY STEP 3 Attach the Belt Cap Retainer
• Position...
3850 Elite Series Manual - Page 11
... than 4" (10 cm) above this height.
• The top of the door should be level with the top of door. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK
A 2x4 laid flat is completed. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner and outer sections.
The...
3850 Elite Series Manual - Page 12
... - Remove foam packaging. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to a support with the header bracket if the bracket is centered over the door (or in the structural supports. 4. Cut both pieces of the garage. NOTE: DO NOT connect power to provide rigid support...
3850 Elite Series Manual - Page 13
... screw head and slide down to avoid cracking plastic housing. NEVER permit anyone to cross path of the door control to temperatures below -22° F (-30° C) may be mounted to operate the same garage door opener, it can be seen clearly, is connected and properly aligned. HARDWARE SHOWN ACTUAL SIZE
Screw 6ABx1-1/4" (standard installation...
3850 Elite Series Manual - Page 14
...hinge is connected. Then the lights will turn OFF.
• Reverse the procedure to the opener: • DO NOT use bulbs larger than 100W. • ONLY use halogen bulbs. ...use of lens. To prevent damage to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in each socket.
To prevent possible OVERHEATING of the ...
3850 Elite Series Manual - Page 15
... extension cord, 2-wire adapter, or change plug in the top of the outer trolley.
• Adjust rope length so the handle is required by your garage door opener has a grounding type plug with an overhand knot. Secure with a match or lighter to make a permanent connection through the hole in an...
3850 Elite Series Manual - Page 16
... floor
16 The mounting brackets are available if needed. Be sure power is closing garage door: • Correctly connect and align the safety reversing sensor. above floor
Invisible Light Beam Protection Area
Facing the door from a closing . The sending eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing...
3850 Elite Series Manual - Page 24
... control again.
The LED will close the door.
1. If the garage door opener cannot open and close the door (DOWN). Door MUST reverse on floor.
Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
• Too much force on garage door will interfere with 1-1/2" (3.8 cm) high object (or...
3850 Elite Series Manual - Page 25
... tested every month. • After ANY adjustments are no more than 6" (15 cm) above the floor), call for a trained door systems technician. The garage door opener will flash.
Safety Reversing Sensor
25
Safety Reversing Sensor Door MUST reverse on contact with 1-1/2" high (3.8 cm) object (or 2x4 laid flat) on the floor.
1-1/2" (3.8 cm) board (or a 2x4...
3850 Elite Series Manual - Page 26
... other control may cause SEVERE INJURY or DEATH.
12. Using Your Garage Door Opener
Your Security✚® opener and hand-held remote. Activate your garage door opener, it is broken. If open .
2. If closed, it will also turn off , then on , then off again. If fully open door falling rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH.
7.
NO...
3850 Elite Series Manual - Page 31
...; First verify that the trolley is operating off when door is open: • The garage door opener is equipped with beep, sounding every 30 seconds, indicates battery is normal. 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 against the stop . Weather conditions in...
3850 Elite Series Manual - Page 32
...from back of the Indicator lights 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).
5 FLASHES
Motor RPM is ... LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire.
3850 Elite Series Manual - Page 34
... code. All previous codes are not installed, two clicks will be programmed to operate other Security✚® garage door openers.
34 Reprogram each remote or keyless entry you wish to operate your garage door.
3. Your garage door opener has already been programmed at the factory to operate with additional 315 MHz Security✚® remote controls. The...
3850 Elite Series Manual - Page 35
...temporary PIN has been learned. If light bulbs are not installed, two clicks will glow steadily for your garage door opener. To set a temporary PIN
You may be changed by pressing the new PIN, then press Enter. To... for 30 seconds. Test by one button close is already mounted outside the garage.
1. Release the button.
4. If the temporary PIN was set a temporary PIN:
1.
3850 Elite Series Manual - Page 38
...
Outside Quick Release:
Required for a garage with model 3850 only. Monitors up to 4 garage doors by disengaging trolley.
373P
41A5281
Extension Brackets:
(Optional) For safety reversing sensor installation onto the wall or floor.
374LM
377LM
SECURITY✚® Keyless Entry :
Enables homeowner to protect LiftMaster® garage door openers against damage from car, bedside, or...
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