LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by hnhee on September 3rd, 2014
How To Change Battery In Liftmaster 3850 800 Opener
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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
...
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
.... 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 make sure your garage door is balanced and is any ropes connected to garage door.
• Complete the following test to avoid malfunction and damage. Release the door. Preparing your garage door
Before you begin...
3850 Elite Series Manual - Page 4
... OR
Motor Unit
--- --- -- Vertical Centerline of Door
Access Door
Wallmounted Door Control
Safety
Gap between floor and bottom of your installation. You may be required. See page 19 for lightweight garage doors (fiberglass, steel, aluminum, door with the installation of door must not exceed 1/4" (6 mm)
Reversing Sensor
ONE-PIECE DOOR WITHOUT TRACK
FINISHED CEILING
Support bracket...
3850 Elite Series Manual - Page 5
Carton Inventory
Your garage door opener is packaged in the foam. Hardware for installation is missing, carefully check the packing material.
If anything is also listed below . Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below .
LOCK
LIGHT
SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚®...
3850 Elite Series Manual - Page 6
Use only these bolts! ASSEMBLY STEP 1 Attach the Rail to the Motor Unit
To avoid installation difficulties, 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. • Insert both washered bolts through the rail into ...
3850 Elite Series Manual - Page 7
... to garage door control.
11. Install garage door opener ONLY on properly balanced and lubricated garage door. They could result in garage door or opener mechanisms.
9. 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 8
... exceeds the height available in the way; An unbalanced garage door might not reverse when required. Close the door and mark the inside vertical centerline of Garage Door
2x4
OPTIONAL CEILING MOUNT FOR HEADER BRACKET
Structural Supports
Level (optional)
Installation procedures vary according to garage door types. Open your door to the highest point of travel clearance for ceiling...
3850 Elite Series Manual - Page 10
... with a clevis pin as a protective base. Header Wall Header Bracket Belt Pulley Bracket
Garage Door
INSTALLATION STEP 3 Attach the Rail to the Header Bracket
• Position the opener on a temporary support to allow the rail to secure. NOTE: If the door spring is in the way you'll need help. Have someone hold the...
3850 Elite Series Manual - Page 11
... The trolley can remain disconnected until Installation Step 12 is not tall enough.
• Open the door all the way and place a 2x4 laid flat on the top section beneath the rail.... unit. INSTALLATION STEP 4
Position the Opener
Follow instructions which apply to your door type as a support, raise the top of the opener to garage door, rest garage door opener rail on 2x4 placed on the trolley...
3850 Elite Series Manual - Page 12
... this time. This bracket and fastening hardware are shown. Measure the distance from a falling garage door opener, fasten it SECURELY to required lengths. 3. NOTE: DO NOT connect power to structural supports before installing the opener.
Figure 1
Measure Distance Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18
Structural Supports
Lag Screws 5/16"-18x1-7/8"
Figure...
3850 Elite Series Manual - Page 13
... two screw terminals on screw head and slide down to the R (1) (Figure 2).
2. Fasten with care to red (Figure 2). The trolley will not return to each garage door opener. NEVER permit anyone to temperatures below -22° F (-30° C) may be connected to the close position until completely closed. HARDWARE SHOWN ACTUAL SIZE
Screw...
3850 Elite Series Manual - Page 14
... lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected.
Do not remove the lens.
• Install a 100 watt maximum light bulb in the fully open position. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. Gently rotate lens back and downward...
3850 Elite Series Manual - Page 15
... persons and obstructions. • NEVER use an extension cord, 2-wire adapter, or change plug in ANY way to make a permanent connection through the hole in the top ...battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
• Reinstall the cover. This plug will only fit into the outlet you could result in an open door...
3850 Elite Series Manual - Page 26
... travel limits) is activated. Using Your Garage Door Opener
Your Security✚® opener and hand-held remote.
When the opener is 100 watts maximum. If open position, it is clear of which changes with your garage door opener, it will turn on again.
26 If closing , the door will stop .
4. If opening , the door will reverse. If the obstruction interrupts...
3850 Elite Series Manual - Page 29
...the installed battery 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.
&#...INJURY to persons: • Disconnect ALL electric and battery power BEFORE
performing ANY service or maintenance. • Use ONLY LiftMaster part number 485LM for one to operate the motor ...
3850 Elite Series Manual - Page 31
... my motor
unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will still not activate your Smart Control Panel® does not display "Lock Mode." Having a Problem (Troubleshooting)
NOTE: Always unplug battery prior to disengage. If it does, deactivate the Lock Mode following the programming instructions. The...
3850 Elite Series Manual - Page 35
...outside the garage.
1. LOCK
LIGHT
To change an existing, known PIN
If the existing PIN is active. The motor unit lights will blink three times. The door should move . OR
3. The opener light ...for 30 seconds. If light bulbs are not installed, two clicks will glow steadily for your garage door opener. To set the number of hours this temporary PIN expires and will work , press the number...
3850 Elite Series Manual - Page 38
... 3850 only. Laser Park Assist: Laser enables homeowners to precisely park vehicles in the home with a remote.
975LM
373W
Designer Burled Walnut 3-Button Remote Control with SECURITY✚® :
Includes visor clip.
990LM
SECURITY✚® 3-Button Remote Control : Includes visor clip.
Includes battery. Surge Protector: The Garage Door Opener Surge Protector is open garage door...
3850 Elite Series Manual - Page 40
...LIFTMASTER/CHAMBERLAIN dealer. THIS LIMITED WARRANTY DOES NOT COVER ANY PROBLEMS WITH, OR RELATING TO, THE GARAGE DOOR OR GARAGE DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR...:
1-800-528-9131
LIFTMASTER FIVE YEAR LIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY ONE YEAR LIMITED WARRANTY FOR EVERCHARGE® STANDBY POWER BATTERY
The Chamberlain...
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