LiftMaster 3850 Support Question
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Question posted by gaherma on September 26th, 2013
How To Reset Models 3850
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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
... 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. 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. Raise and lower the...
3850 Elite Series Manual - Page 5
...
SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY
... (2)
5
Carton Inventory
Your garage door opener is packaged in the foam. If anything is missing, carefully check the packing material. Accessories will depend on the model purchased.
3850 Elite Series Manual - Page 6
... wrench on the square end. Tighten bolts securely. Use only these bolts! 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.
Cut tape from rail,
chain and styrofoam. • REMOVE STYROFOAM...
3850 Elite Series Manual - Page 7
... Pulley Mounting Plate
WARNING
INSTALLATION
IMPORTANT INSTALLATION INSTRUCTIONS WARNING
To reduce the risk of the door.
10. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to the installation section. Install garage door opener 7 feet (2.1 m) or more above floor.
7. Please read the following warnings before proceeding to avoid entanglement...
3850 Elite Series Manual - Page 11
... point if the ladder is used to determine the correct mounting height from the floor to the top of the door.
• Using a stepladder as illustrated.
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 trolley can remain disconnected...
3850 Elite Series Manual - Page 12
Hanging brackets should be angled (Figure 1) to the structural support. 2. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports before installing the opener. HARDWARE SHOWN ACTUAL SIZE
To avoid possible SERIOUS INJURY from each bracket to required lengths. 3. On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket ...
3850 Elite Series Manual - Page 13
... holes and use model 378LM wireless wall control as in new home construction), it may damage the LCD screen. DO NOT connect power and operate the opener at a minimum ...be connected to each garage door opener. For pre-wired installations (as the secondary door control.
1. CAUTION: Continuous exposure of closing garage door: • Install door control within sight of door, at this time....
3850 Elite Series Manual - Page 14
...8226; 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. Use ONLY incandescent. Channel
Battery
Battery...terminals facing
out. • Connect the red (+) and black (-) wires from motor unit to the opener: • DO NOT use bulbs larger than 100W. • ONLY use A19 size bulbs.
ALWAYS ...
3850 Elite Series Manual - Page 15
... make a permanent connection through the hole in the release arm of the outer trolley.
• Adjust rope length so the handle is required by your garage door opener has a grounding type plug with ALL local electrical and building codes.
• NEVER use an extension cord, 2-wire adapter, or change plug in an...
3850 Elite Series Manual - Page 16
... STEP 11 Install The Protector System®
The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in masonry construction, add a piece of sectional garage doors without additional hardware.
Safety Reversing Sensor 6" (15 cm) max. Extension brackets (see Accessories) are designed to clip onto the track of wood...
3850 Elite Series Manual - Page 24
... 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 open and close the door (DOWN). Push the purple button twice to enter unit into the Force Adjustment Mode. If the garage door opener cannot open (UP).
4.
Figure 1
n n
LED
Black Button Purple Button
Figure 2
Push Purple...
3850 Elite Series Manual - Page 25
... system, persons (particularly small children) could be tested. The garage door opener will flash. Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force. NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down direction. Door MUST reverse on contact with 1-1/2" high (3.8 cm) object (or...
3850 Elite Series Manual - Page 26
... 100 watts maximum. They will turn on again.
26 NEVER permit children to garage door opener BEFORE making ANY repairs or removing covers.
15. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPEN DOOR.
6. Garage door MUST reverse on contact with garage door control push buttons or remote controls.
3. ALWAYS disconnect electric power to operate or play with 1-1/2" (3.8 cm) high...
3850 Elite Series Manual - Page 31
...: • A solid LED with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the door and is equipped with a security light feature. My remotes will not turn off when door is open: • The garage door opener is operating off of any binding problems.
• Refer to Adjustment Step 1, Program the Travel Limits. Having...
3850 Elite Series Manual - Page 32
.... 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 is dim or flashing. • Realign receiving eye sensor, clean lens and secure brackets. OR
2 FLASHES
Safety reversing sensors wire shorted or black/white wire...
3850 Elite Series Manual - Page 34
... operate it has learned the code.
Within 30 seconds, press and hold the "learn indicator light will glow steadily for programming your opener to operate other Security✚® garage door openers.
34 To Erase All Codes From Motor Unit Memory
To deactivate any Security✚® 3-button remote or mini-remote can be...
3850 Elite Series Manual - Page 35
...to 0 in step 3. Then press and hold the ✽ button. It has learned the code.
The door should move . The opener light will blink twice. Press the temporary 4-digit PIN you have chosen, then press Enter. OR
3. Test ..., this feature press and hold the # button. Press the four buttons for your garage door opener. Release the button.
4. To set a temporary PIN:
1.
3850 Elite Series Manual - Page 38
...hours or entries.
370LM 378LM
915LM
CLOSED OPEN
Garage Door Monitor:
Security for the largest door of your garage door is designed to turn on a specially designed keyboard. This temporary password can add a temporary password for a garage with model 3850 only. Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by disengaging trolley.
373P...
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