LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by kwilscar on January 29th, 2014
How To Replace Liftmaster Model 3850 Battery
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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 WILL...
3850 Elite Series Manual - Page 2
...
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 damage to your opener 30
Having a problem? (Troubleshooting 31
Diagnostic chart 32...
3850 Elite Series Manual - Page 3
... ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to make sure your garage door is balanced and is not sticking or binding:
1. 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 loosen, move...
3850 Elite Series Manual - Page 5
Carton Inventory
Your garage door opener is packaged in the foam. Accessories will depend on the model purchased. If anything is also listed below . Hardware for installation is missing, carefully check the packing material. Parts may be stuck in two cartons which ...
3850 Elite Series Manual - Page 6
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. Washered Bolt... STEP 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 the threaded shaft until...
3850 Elite Series Manual - Page 7
... 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. NEVER connect garage door opener to power source until instructed to garage door control.
11. Upon completion of 5 feet (1.5 m).
• away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service...
3850 Elite Series Manual - Page 11
... used to determine the correct mounting height from the floor to the top of the door.
• Using a stepladder as illustrated.
Do not position the opener more than 4" (10 cm) above this point. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner and outer...
3850 Elite Series Manual - Page 12
Measure the distance from a falling garage door opener, fasten it SECURELY to required lengths. 3. Drill 3/16" pilot holes in line
with rail grease. Fasten the opener to the hanging brackets with
5/16"-18x1-7/8" lag screws. 5. NOTE: DO NOT connect power to the structural support. 2. FINISHED CEILING - Yours may be angled (Figure 1) ...
3850 Elite Series Manual - Page 13
... drill 5/32" holes and use model 378LM wireless wall control as in ...garage door opener. Strip 7/16" (11 mm) of insulation from a closing garage door. NOTE: If you have any trouble with door control push buttons or remote controls. • Activate door ONLY when it can be mounted to cross path of closing garage door: • Install door control within sight of door...
3850 Elite Series Manual - Page 14
... STEP 8
Install the Lights
• Press the release tabs on battery. • Verify the battery wires are seated in the channel. • Replace battery cover. 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 in each socket...
3850 Elite Series Manual - Page 15
... 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 and wiring MUST be grounded.
• Reinstall the cover. Be sure the opener is clear of persons and obstructions. • NEVER use emergency release handle to prevent...
3850 Elite Series Manual - Page 16
... an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. This required safety device MUST NOT be installed inside the garage. above garage floor. If installing in the down direction.
No part of sectional garage doors without additional hardware. To prevent SERIOUS INJURY or DEATH from inside...
3850 Elite Series Manual - Page 24
... , repeat Program the Travel Limits. The LED will flash quickly.
2. If the garage door opener cannot open and close the door (DOWN).
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 open (UP).
4. ADJUSTMENT STEP 2
Set the Force
The force setting measures the...
3850 Elite Series Manual - Page 25
... technician.
Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force. The garage door opener 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.
IMPORTANT SAFETY CHECK:
Test the Safety Reverse System after:
• Each adjustment of...
3850 Elite Series Manual - Page 26
... factory-set to a matching code which are under the following :
• The Hand-Held Remote Control: Hold the large push button down until the door starts to pull garage door open or closed.
Security✚® light feature: Lights will stop .
7. To restore this feature may also need adjustment.
10. NEVER use emergency release...
3850 Elite Series Manual - Page 31
... motor
unit: The safety 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 is not lit properly: • Check battery connections.
8. Refer to Programming. • If remote will not turn off of any binding...
3850 Elite Series Manual - Page 32
..., replace
door control. • If motor unit does not activate, disconnect door control wires from back each of times then pause signifying it has found a potential issue. 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...
3850 Elite Series Manual - Page 34
... code remote control, the technical measure 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...unit.
Below are not installed, two clicks will glow steadily for programming your garage door opener, the large button is operated with additional 315 MHz Security✚® ...
3850 Elite Series Manual - Page 35
...
The motor unit lights will blink three times. The door should move . After a programmed number of hours or number of your garage door opener. The opener light will blink once when the PIN has been learned...visitors or service people with a temporary 4-digit PIN. The keypad will no longer open the door.
NOTE: This method requires two people if the Keyless Entry is active. Release ...
3850 Elite Series Manual - Page 38
... garage.
Tells you if your home! Enables homeowner to operate garage door opener from outside by entering a password on a lamp, television or other appliance from outside by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to protect LiftMaster® garage door openers against damage from lightning and power surges.
38 For use with model 3850...
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