LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by sillmaf on May 14th, 2014
How Do You Change The Battery In A Liftmaster Garage Door Wall Mount
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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
... 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 your garage door and/or the garage door opener if you do not comply with the instructions...
3850 Elite Series Manual - Page 3
... 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.
Sectional Door
One-Piece Door
Tools needed
During assembly, installation...
3850 Elite Series Manual - Page 5
... material.
Hardware for installation is also listed below . Carton Inventory
Your garage door opener is packaged in the foam. LOCK
LIGHT
SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY
Motor Unit with Light Lenses
2-Conductor Bell Wire...
3850 Elite Series Manual - Page 6
...
Threaded
Nut
Shaft
Ring
Nut Ring Slots
Figure 2 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.
3850 Elite Series Manual - Page 7
... clothing while installing or servicing opener. Place manual release/safety reverse test label in mounting plate. Door MUST reverse on contact with a 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on properly balanced and lubricated garage door. Place entrapment warning label on wall next to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service...
3850 Elite Series Manual - Page 9
... the holes designated for positioning only. Drill 3/16" pilot holes and fasten bracket securely to mount the header bracket. Optional Wall Mounting Holes
Header Wall
2x4 Structural Support
Header Bracket
CEILING MOUNT ONLY UP
Vertical Centerline of Garage Door
Lag Screws 5/16"-9x1-5/8"
Door Spring
HARDWARE SHOWN ACTUAL SIZE
Lag Screw 5/16"x9x1-5/8"
Horizontal Line
Highest Point of...
3850 Elite Series Manual - Page 11
... garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner and outer sections.
Header Bracket
Top of Motor Unit
Top of Door
2x4 is completed. Slide the outer trolley toward the motor unit. The trolley can remain disconnected until Installation Step 12 is used to determine
the correct mounting...
3850 Elite Series Manual - Page 13
...with a staple, creating a short or open position but will not return to each garage door opener. DO NOT overtighten.
• Replace... garage door: • Install door control within sight of door, at the lower/middle portion of door and door hardware. If additional wall ... cover with door control push buttons or remote controls. • Activate door ONLY when it can be mounted to motor...
3850 Elite Series Manual - Page 14
...
• Press the release tabs on battery. • Verify the battery wires are seated in the channel. • Replace battery cover.
ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. To prevent damage to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when...
3850 Elite Series Manual - Page 15
...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 the release arm... battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
• Reinstall the cover.
Be sure the opener is required by your garage door opener ...
3850 Elite Series Manual - Page 16
... if needed. The invisible light beam path must be securely fastened to mount the units on the left or right of sectional garage doors without additional hardware.
The sending eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor.
If it is necessary. Extension...
3850 Elite Series Manual - Page 17
Garage door track installation (preferred):
• Slip the curved arms over the rounded edge of each door track, with Concrete Anchors (not provided)
Indicator Light
Sensor Bracket
17
Figure 1 Figure 2 Figure 3
DOOR TRACK MOUNT (RIGHT SIDE)
Door Track
Lip
Indicator Light
Sensor Bracket
Lens
WALL MOUNT (RIGHT SIDE)
IGWnasariladl gee
Fasten Wood Block to Wall with Lag Screws (not ...
3850 Elite Series Manual - Page 23
... desired UP position
Figure 3
or
LOCK
LIGHT
Figure 4
LED BLACK
PURPLE
Push either the black or purple button. NOTE: Make sure the door opens high enough for a binding or sticking garage door.
• After ANY adjustments are made, the safety reversal system MUST be SERIOUSLY INJURED or KILLED by using the black and purple...
3850 Elite Series Manual - Page 26
... laid flat) on when someone walks through the open position, it can close from a hand-held remote control have been factory-set to move .
• The Wall-Mounted Door Control: Hold the push button or bar down travel is adjusted, the other hardware, ALL of which changes with each use emergency release handle to cables...
3850 Elite Series Manual - Page 27
....
Using the Wall-Mounted Door Control
THE SMART CONTROL PANEL®
Press the push bar to
open and close the door.
Motion Sensing
Press again to reverse the
On/Off
door during the closing cycle or to stop the door
Prog
while it detects a
Language Degrees (F/C)
LOCK
person entering the
garage.
(PROG) Learn Feature
The door control is reset...
3850 Elite Series Manual - Page 29
...and battery power BEFORE
performing ANY service or maintenance. • Use ONLY LiftMaster part number 485LM for one to operate the motor unit. Battery may be fully charged to two days of the battery. ...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...
3850 Elite Series Manual - Page 31
...; A flashing LED with beep, sounding every 30 seconds, indicates battery is low. • If a red LED remains on when the power is restored, and is normal. Using the Wall-Mounted Door Control, Light Feature.
6. Refer to Programming. • If remote will move away from the opener by pulling the Emergency Release Rope. • Manually bring...
3850 Elite Series Manual - Page 35
.... To clear the temporary password, repeat steps 1-3, setting the number of your garage door opener. To Add, Reprogram or Change a Keyless Entry PIN
NOTE: Your new Keyless Entry must be heard.
3. ...can be used up to a certain number of hours (up one button close is already mounted outside the garage.
1. Then press and hold the # button. After a programmed number of hours or...
3850 Elite Series Manual - Page 38
...for a garage with model 3850 only.
Includes battery. For use with NO access door. Monitors up to 4 garage doors by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to a programmable number of hours or entries.
370LM 378LM
915LM
CLOSED OPEN
Garage Door Monitor:
Security for the largest door of your garage door is designed to the garage door opener...
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