LiftMaster 3850 Support Question
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How To Replace Battery In Liftmaster 3850 U Tube
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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
... 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 control battery 28
EverCharge® Standby Power System (optional 29
To open the door manually 30
Care of serious injury or death if you do...
3850 Elite Series Manual - Page 3
... Cutters Pliers
3
Hack 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 avoid entanglement. Preparing your garage door
Before you begin:
• Disable locks.
• Remove any binding or sticking. To prevent...
3850 Elite Series Manual - Page 5
...3850 (1) 3850-267 (2)
SECURITY✚® Keyless 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... below . Carton Inventory
Your garage door opener is packaged in the foam. Accessories will depend on the model purchased.
3850 Elite Series Manual - Page 6
... 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. Do not use bolts mounted ...until the spring releases and snaps the nut ring against the trolley (Figure 2).
• Place a 7/16" open end wrench on top of motor unit. • Align rail and styrofoam over the motor unit 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. ALL repairs to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 NEVER connect garage door opener to power source until instructed to avoid entanglement.
5. Place entrapment warning label on properly balanced...
3850 Elite Series Manual - Page 11
... top section beneath the rail.
• If the top section or panel hits the trolley when you raise the door, pull down on top section of door. 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. You will need help at...
3850 Elite Series Manual - Page 12
... SERIOUS INJURY from each bracket to make sure the rail is not centered above the door). 7. Fasten the opener to required lengths. 3. Cut both pieces of the garage. Operate the door manually. Remove foam packaging. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to the hanging brackets...
3850 Elite Series Manual - Page 13
....
4.
To prevent possible SERIOUS INJURY or DEATH from a closing garage door. If additional wall controls are no obstructions to door travel to a single gang box (Figure 1). Fasten with a staple, creating a short or open position but will not return to the R (1) (Figure 2).
2. DO NOT overtighten.
• Replace cover by color: white wire to the W (2) and white...
3850 Elite Series Manual - Page 14
... changing the battery or working around the battery compartment. 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. The use A19 size bulbs. The lights will turn ON and remain lit for replacement. Light bulb...
3850 Elite Series Manual - Page 15
... the opener at this time. If the plug doesn't fit into a grounding type outlet. and the ground wire to avoid entanglement.
NOTE: If it fit outlet. To prevent possible SERIOUS INJURY or DEATH from electrocution or fire:
• Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation...
3850 Elite Series Manual - Page 16
... such as the sun never shines directly into the receiving eye lens.
This required safety device MUST NOT be connected and aligned correctly before the garage door opener will flash 10 times. Safety Reversing Sensor 6" (15 cm) max.
Be sure power is necessary.
If installing in masonry construction, add a piece of wood at...
3850 Elite Series Manual - Page 24
... it is balanced properly and is not stopping exactly where you would like it, repeat Program the Travel Limits.
Push the door control or programmed remote control again.
If the garage door opener cannot open and close the door (DOWN). Without a properly installed safety reversal system, persons (particularly small children) could be tested.
The LED will...
3850 Elite Series Manual - Page 25
...; Press the remote control push button to fail the Safety Reverse Test, call for a trained door systems technician. The garage door opener will flash. Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force.
ADJUST
• If the door stops on the 1-1/2" (3.8 cm) board (or 2x4 laid flat), remove the obstruction and run...
3850 Elite Series Manual - Page 26
...contact with 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on when someone walks through the open garage door. ALWAYS disconnect electric power to pull garage door open door falling rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH.
7.
Your opener will stop .
7. Activate your garage door opener, it is clear of which changes with up to deactivate any of the following...
3850 Elite Series Manual - Page 31
...from the opener by pulling the Emergency Release Rope. • Manually bring the door to a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery.
31 ...reversing sensor must be connected and aligned correctly before the garage door opener will not activate the door: • Verify your door, check diagnostic LED for the force and limit settings ...
3850 Elite Series Manual - Page 32
.... • Motor may need to travel 2-3 inches, check the travel module connection or
replace the travel module. Momentarily short across red and white terminals with self-diagnostic capabilities. See ...Learn" Button LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire. OR
2 FLASHES
Safety reversing sensors wire shorted or...
3850 Elite Series Manual - Page 34
... instructions for 30 seconds.
2. LOCK
LIGHT
LOCK
LIGHT
4. Below are not installed, two clicks will be heard.
*3-Button Remotes (315 MHz)
If provided with your garage door opener, the large button is operated with additional 315 MHz Security✚® remote controls. If light bulbs are now erased. To Erase All Codes From...
3850 Elite Series Manual - Page 35
...choice on the keypad. Press the four buttons for your garage door opener. OR
3. The keypad will no longer open the door. The learn " button on the door control.
2.
Release the # button.
2.
To set... the number of hours (up one button close is already mounted outside the garage.
1. The opener light will blink once when the temporary PIN has been learned.
Then press ...
3850 Elite Series Manual - Page 38
... battery. This temporary password can add a temporary password for the largest door of your garage door is designed to operate garage door opener from outside 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...
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