LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
Find answers below for this question about LiftMaster 3850.Need a LiftMaster 3850 manual? We have 1 online manual for this item!
Question posted by BoppiCsim on February 25th, 2014
Elite Series Garage Door Opener Model 3850 Lights Liftmaster Turn On When
sensor a detect
Current Answers
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 WILL...
3850 Elite Series Manual - Page 2
... bracket 10
Position the opener 11
Hang the opener 12
Install the Smart Control Panel 13
Install the EverCharge® Standby Power System (optional 14
Install the lights 14
Attach the emergency...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 ...
3850 Elite Series Manual - Page 3
..., it should stay in place, supported entirely by its springs.
2.
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.
Preparing your garage door
Before you begin:
• Disable locks.
• Remove any binding or sticking...
3850 Elite Series Manual - Page 5
... Entry Model 3850-267 (1) ONLY
Motor Unit with Light Lenses
2-Conductor Bell Wire White & White/Red
Belt Pulley Bracket
Trolley
Optional EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery)
Belt
RReemmootteeCCoonnttrrooll VVisisoorrCClilpip
: Styrofoam
Belt Cap Retainer
One-Piece Rail
CEYILING MOUNT ONL UP
Header Bracket
Door Bracket
Curved Door Arm Section
Safety Sensor...
3850 Elite Series Manual - Page 6
...Belt Tension
• By hand, thread the spring trolley nut on the square end. Rotate about 1/4 turn until the spring releases and snaps the nut ring against the trolley (Figure 1). Figure 1
Trolley
Nut ... 1 Attach the Rail to the Motor Unit
To avoid installation difficulties, do not run the garage door opener until instructed to do so. • Remove the two washered bolts mounted on top of ...
3850 Elite Series Manual - Page 7
...SEVERE INJURY or DEATH.
3. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to garage door control.
11. Place entrapment warning label on properly balanced and lubricated garage door. You have now finished assembling your garage door opener. Install garage door opener ONLY on wall next to avoid entanglement.
5. They could result in mounting...
3850 Elite Series Manual - Page 11
.... ENGAGED
Trolley Release Arm
RELEASED
ONE-PIECE DOOR WITHOUT TRACK
• With the door fully open and parallel to disconnect inner and outer sections. The trolley can remain disconnected until Installation Step 12 is completed. INSTALLATION STEP 4
Position the Opener
Follow instructions which apply to garage door, rest garage door opener rail on 2x4 placed on the trolley release...
3850 Elite Series Manual - Page 12
... bracket and fastening hardware are shown. Concrete anchors MUST be angled (Figure 1) to the structural support. 2. Yours may be different. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to provide rigid support. Figure 1
Measure Distance Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16...
3850 Elite Series Manual - Page 13
...operate the same garage door opener, it is ...model 378LM wireless wall control as the secondary door control.
1. HARDWARE SHOWN ACTUAL SIZE
Screw 6ABx1-1/4" (standard installation)
Insulated Staples
Screw 6-32x1" (pre-wired)
Drywall Anchors
Figure 1
REMOVE COVER
REPLACE COVER
To Replace Insert Top Tabs First
PRE-WIRED INSTALLATION
LOCK
LIGHT
LOCK
LIGHT
Push Bar Cover
LOCK
LIGHT...
3850 Elite Series Manual - Page 14
... remain lit for replacement.
Do not remove the lens.
• Install a 100 watt maximum light bulb in the fully open position. Then the lights will turn OFF.
• 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.
INSTALLATION STEP 7 Install the EverCharge®...
3850 Elite Series Manual - Page 15
... emergency release handle to install the proper outlet. If rope knot becomes untied, you have, contact a qualified electrician to disengage
trolley ONLY when garage door is required by your garage door opener has a grounding type plug with a third grounding pin. If the plug doesn't fit into a grounding type outlet.
To make it fit outlet.
To...
3850 Elite Series Manual - Page 16
... to the receiving eye (with a green indicator light). 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 closing garage door: • Correctly connect and align the safety reversing sensor. IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR
When properly connected and aligned, the...
3850 Elite Series Manual - Page 24
... twice to open (UP).
4. The LED will open and close the door.
1. The door will flash quickly.
2.
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 enter into Force Adjustment Mode
LED Black Button Purple Button
Figure 3
or
LOCK
LIGHT
24
Push...
3850 Elite Series Manual - Page 25
... children) could be SERIOUSLY INJURED or KILLED by a closing garage door. The door will not move more than 1" (2.5 cm), and the opener lights will not close the door. Without a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested. ADJUSTMENT STEP...
3850 Elite Series Manual - Page 26
..., it will reverse. An improperly balanced door may cause SEVERE INJURY or DEATH.
12. Using Your Garage Door Opener
Your Security✚® opener and hand-held remote. See Programming. If the obstruction interrupts the sensor beam, the opener lights will not close the door with the opener lights on, then press and hold the light button for 10 seconds until down...
3850 Elite Series Manual - Page 31
... the power is restored, and is operating off when door is open: • The garage door opener is not lit properly: • Check battery connections.
8. This feature activates the light on my motor
unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will not turn off of any binding problems.
• Refer to the...
3850 Elite Series Manual - Page 32
... door control wires from the door control. • Inspect door control/wires for the sensors. Consult Diagnostic Chart below.
1 FLASH
Safety reversing sensors wire open (broken or disconnected). 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
.... Within 30 seconds, press and hold the "learn indicator light will glow steadily for programming your garage door. All previous codes are not installed, two clicks will open and close when you wish to operate your opener to operate other Security✚® garage door openers.
34 Your garage door opener has already been programmed at the factory to operate it...
3850 Elite Series Manual - Page 35
...) of your garage door opener.
To set a temporary PIN
You may be changed by visitors or service people with a temporary 4-digit PIN. Press the temporary 4-digit PIN you have chosen, then press Enter. OR
3. To set to operate your choice on the door control.
2.
USING THE "LEARN" BUTTON
USING THE DOOR CONTROL
LOCK
LIGHT
1. Press the...
3850 Elite Series Manual - Page 38
...
1702LM
Outside Quick Release:
Required for a garage with model 3850 only. Also can be limited to turn on a specially designed keyboard.
Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by disengaging trolley.
373P
41A5281
Extension Brackets:
(Optional) For safety reversing sensor installation onto the wall or floor.
374LM...
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