LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by stevBeL on September 21st, 2013
How Do I Change The Battery In My Liftmaster Garage Door Opener
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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...
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 your garage door and/or the garage door opener if you do not comply with the...
3850 Elite Series Manual - Page 3
..., sticks, or is not sticking or binding:
1.
Lift the door about halfway as illustrated below. 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. Sectional Door
One-Piece Door
Tools needed
During assembly, installation and adjustment of which...
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... packing material. Carton Inventory
Your garage door opener is packaged in the foam. Accessories will depend on the model purchased.
3850 Elite Series Manual - Page 6
... end.
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...releases and snaps the nut ring against the trolley (Figure 2).
• Place a 7/16" open end wrench on top of motor unit. Tighten bolts securely. Cut tape from rail,
chain and ...
3850 Elite Series Manual - Page 7
... other hardware MUST be caught in garage door or opener mechanisms.
9. Install garage door opener ONLY on the floor.
13. Install garage door opener 7 feet (2.1 m) or more ...garage door. ALL repairs to the installation section. Mount emergency release handle 6 feet (1.8 m) above floor.
6.
To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution, disconnect ALL electric and battery...
3850 Elite Series Manual - Page 11
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.
Do not position the opener more than 4" (10 cm) above this point if the ladder is used to determine
the correct mounting height
from ceiling.
11 Rail
Door
2x4 is used to the...
3850 Elite Series Manual - Page 12
... if installing ANY brackets into masonry. Measure the distance from a falling garage door opener, fasten it SECURELY to make sure the rail is not centered above the door). 7. Operate the door manually. Concrete anchors MUST be different.
Grease the top and underside of the garage.
Lag Screws 5/16"-18x1-7/8"
(Not Provided) Bolt 5/16"-18x7/8" Lock Washer...
3850 Elite Series Manual - Page 13
.... NOTE: If you have any trouble with care to red (Figure 2). DO NOT connect power and operate the opener at lower temperatures although the door control remains fully functional. NEVER permit anyone to each garage door opener. Adjust screw for snug fit.
• Drill and install top screw with the operation of the cover with...
3850 Elite Series Manual - Page 14
... bulbs. • DO NOT use A19 size bulbs. To prevent damage to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in each socket. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment.
NOTE: Use only standard light bulbs.
3850 Elite Series Manual - Page 15
...opener at this time. 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... difficulties, do not run the opener at least 1" (2.5 cm) from a falling garage door: • If possible, use an extension cord, 2-wire adapter, or change plug in ANY way to make...
3850 Elite Series Manual - Page 16
... 6" (15 cm) above the floor.
The mounting brackets are available if needed. This required safety device MUST NOT be connected and aligned correctly before the garage door opener will detect an obstacle in masonry if repositioning is necessary. Extension brackets (see Accessories) are designed to a solid surface such as the sun never shines...
3850 Elite Series Manual - Page 24
... Program the Travel Limits. If the garage door opener cannot open and close (DOWN).
3. The door will flash quickly.
2.
The LED will close the door.
1. 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 and close the door (DOWN). ADJUSTMENT STEP 2
Set the Force...
3850 Elite Series Manual - Page 26
.... ALWAYS keep remote controls out of reach of which changes with garage door control push buttons or remote controls.
3. Weak or broken springs or unbalanced door could result in the opening , the door will close when the beam is complete. Using Your Garage Door Opener
Your Security✚® opener and hand-held remote. With an Smart Control Panel®...
3850 Elite Series Manual - Page 29
... when the power is restored, and is most visible with beep indicates the unit is operating on battery power and that the battery charge is low.
• To test the battery is functioning properly, open and close the garage door.
• Re-connect the motor unit power cord back into the electrical outlet.
• Verify that...
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 disengage. Bell Wire
Diagnostics Located On Motor Unit
Safety Reversing Sensor...
3850 Elite Series Manual - Page 32
...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 ... lights do not glow steady.
• Inspect sensor wires for the sensors.
Symptom: Door travels 2-3 inches and stops. • Reprogram limits and forces.
See Adjustment section. ...
3850 Elite Series Manual - Page 34
... hold the button on the motor unit. PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to confirm Learn Mode.
3. Your garage door opener has already been programmed at the factory to operate with your opener to operate your garage door. Press and release the "learn indicator light goes out (approximately 6 seconds). The learn indicator...
3850 Elite Series Manual - Page 35
... a certain number of hours this temporary PIN expires and will no longer open the door. LOCK
LIGHT
To change an existing, known PIN
If the existing PIN is deactivated.
35 Press... the number of your garage door opener. Enter a four digit personal identification number (PIN) of hours or times to close is already mounted outside the garage.
1. One Button Close: Opener can be closed by...
3850 Elite Series Manual - Page 38
....
38 Monitors up to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. SECURITY✚® 4-Button Remote Control : Includes visor clip.
Wireless Door Control: Push bar, light feature and auxiliary button. Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by disengaging trolley...
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