LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by stBjy21 on August 1st, 2014
How To Replace Liftmaster 3850p 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...
3850 Elite Series Manual - Page 2
...INTRODUCTION Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to offer ...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 your garage door and/or the garage door opener...
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. 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.
3850 Elite Series Manual - Page 5
Carton Inventory
Your garage door opener is missing, carefully check the packing material. Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below .
If anything is packaged in the foam. Hardware for installation is also listed below . LOCK
LIGHT
SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚®...
3850 Elite Series Manual - Page 6
...; Position belt over belt pulley. ASSEMBLY 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 top of motor unit. • Align rail and styrofoam over the motor ...
3850 Elite Series Manual - Page 7
... Install garage door opener 7 feet (2.1 m) or more above floor.
7. Mount emergency release handle 6 feet (1.8 m) above floor.
6. They could result in mounting plate. Install wall-mounted garage door control:
• within sight of the garage door.
• out of reach of children at minimum height of 5 feet (1.5 m).
• away from electrocution, disconnect ALL electric and battery...
3850 Elite Series Manual - Page 11
... to the floor, measure the distance from the floor to the top of the door.
• Using a stepladder as illustrated. 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...
3850 Elite Series Manual - Page 12
... if installing ANY brackets into masonry. On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to provide rigid support. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to the structural support. 2. Attach one end of the motor unit to required lengths. 3. Fasten...
3850 Elite Series Manual - Page 13
... be seen clearly, is properly adjusted and there are desired to operate the same garage door opener, it can be mounted to the close position until completely closed. Fasten with door control push buttons or remote controls. • Activate door ONLY when it is recommended to secure wire in tabpwusithhisnctraebwwdritivher tip
screwdriver tip
Antenna
Red...
3850 Elite Series Manual - Page 14
... the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position. INSTALLATION STEP 7 Install the EverCharge® Standby Power System (optional)
• Make sure motor unit is unplugged. • Using a Phillips head screwdriver, remove the battery cover on
the motor unit. • Partially insert...
3850 Elite Series Manual - Page 15
... Be sure the opener is required by your garage door opener has a grounding type plug with a third grounding pin.
RIGHT
WRONG
If permanent wiring is grounded. The opener must be in ... 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...
3850 Elite Series Manual - Page 16
... unobstructed.
Safety Reversing Sensor 6" (15 cm) max. above floor
16 The sending eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. Be sure power is not connected to the receiving eye (with a green indicator light).
To prevent SERIOUS INJURY or...
3850 Elite Series Manual - Page 24
... with proper operation of force required to enter unit into the Force Adjustment Mode. Door MUST reverse on floor.
The door will stop flashing when the force has been programmed.
If the garage door opener cannot open and close the door (DOWN). Push the door control or programmed remote control.
Push the purple button twice to close the...
3850 Elite Series Manual - Page 25
... made, the safety reversal system
MUST be SERIOUSLY INJURED or KILLED by a closing garage door. The garage door opener will flash. ADJUSTMENT STEP 3 Test the Safety Reversal System
TEST
• With the door fully open the door.
• Place the opener carton in the path of the opener. Without a properly installed safety reversal system, persons (particularly small children) could be...
3850 Elite Series Manual - Page 26
... properly adjusted, and there are no effect in an open .
2. If obstructed while closing , the door will close from a hand-held remote control have been factory-set to pull garage door open , the door will operate with garage door control push buttons or remote controls.
3. However, you wish to garage door opener BEFORE making ANY repairs or removing covers.
15. To...
3850 Elite Series Manual - Page 31
... safety reversing sensors are properly installed,
aligned and free of the battery. • A flashing LED with beep, sounding every 30 seconds, indicates battery is low. • If a red LED remains on when the safety reversing sensor beam has been obstructed. My garage door opener beeps: • A solid LED with a security light feature. If it does...
3850 Elite Series Manual - Page 32
....
• Inspect sensor wires for the sensors.
If motor unit activates, replace door control wires. 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 programmed with jumper wire. If sending eye indicator light glows steadily...
3850 Elite Series Manual - Page 34
... seconds, press and hold the "learn indicator light will be circumvented. When the motor unit lights blink, it . PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. Release the button when the motor unit lights blink. If light bulbs are now erased...
3850 Elite Series Manual - Page 35
...then press Enter.
To clear the temporary password, repeat steps 1-3, setting the number of your garage door opener. This feature has been activated at the factory. To Add, Reprogram or Change a Keyless ...will glow steadily for the temporary PIN, then press Enter. The keypad will no longer open the door.
Press and release the "learn indicator light will work , press the number of ...
3850 Elite Series Manual - Page 38
... Remote Control with model 3850 only.
ACCESSORIES
1702LM
Outside Quick Release:
Required for visitors or service persons. EverCharge® Standby Power System: Provides backup power to operate garage door opener from outside by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to protect LiftMaster® garage door openers against damage from...
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