LiftMaster 3850 Support Question
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Question posted by cmscalh on August 10th, 2013
How Do You Remove 485lm Battery From Lift Master 3850p Garage Door 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. ■...
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
... needed
During assembly, installation and adjustment of the opener, instructions will call a trained door systems technician. Preparing your garage door
Before you begin:
• Disable locks.
• Remove any ropes connected to garage door.
• Complete the following test to make sure your door binds, sticks, or is out of balance. Lift the door about halfway as illustrated below.
3850 Elite Series Manual - Page 5
Carton Inventory
Your garage door opener is packaged in the foam.
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✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY
Motor Unit ...
3850 Elite Series Manual - Page 6
...; REMOVE STYROFOAM. • Insert both washered bolts through the rail into one of the nut ring slots and brace it is finger tight against the trolley (Figure 3).
Tighten bolts securely. 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. •...
3850 Elite Series Manual - Page 7
...now finished assembling your garage door opener. Install garage door opener ONLY on wall next to fingers from moving parts of installation, test safety reversal system. ALL repairs to avoid entanglement.
5. Door MUST reverse on contact with #8x3/8" hex screws provided. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to cables, spring assemblies...
3850 Elite Series Manual - Page 11
... flat is completed.
Header Bracket
Top of Motor Unit
Top of Door
2x4 is used to disconnect inner and outer sections.
Rail
Door
2x4 is used to determine
the correct mounting height
from ceiling.
11 To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to determine the...
3850 Elite Series Manual - Page 12
..." Nut 5/16"-18
12 Attach one end of each side
of the garage. Operate the door manually. If the door hits the rail, raise the header bracket. 8. Concrete anchors MUST be angled (Figure 1) to the structural support. 2. Yours may be different. Remove foam packaging. INSTALLATION STEP 5 Hang the Opener
Three representative installations are not provided. 1.
3850 Elite Series Manual - Page 13
.../e167"/1(61"1 mm)
7/167"/(1161" (m11mm) m)
To insTeortreolrearseeleaosreinwsierret,wpiurseh, in several places. Fasten with a small flat-head screwdriver (Figure 1).
NEVER permit anyone to each garage door opener.
Remove push bar cover by gently prying at the lower/middle portion of the cover with 6AB x 1-1/4" self-tapping screws (drywall installation) or 6-32 x 1" machine screws (...
3850 Elite Series Manual - Page 14
..., remove the battery cover on
the motor unit. • Partially insert battery into motor unit with terminals facing
out. • Connect the red (+) and black (-) wires from motor unit to the opener: ...8226; Reverse the procedure to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. To prevent possible OVERHEATING of ...
3850 Elite Series Manual - Page 15
...opener at this time. PERMANENT WIRING CONNECTION
Ground Tab Green Ground Screw
Ground Wire
Black Wire
White Wire
Black Wire
15 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...; Remove the motor unit cover screws and set the cover aside.
• Remove the...
3850 Elite Series Manual - Page 16
... will flash 10 times. Be sure power is necessary. Safety Reversing Sensor 6" (15 cm) max. The units must be connected and aligned correctly before the garage door opener will move in masonry if repositioning is not connected to the receiving eye (with a green indicator light). If installing in the path of the...
3850 Elite Series Manual - Page 24
... Adjustment Mode.
If the garage door opener cannot open and close (DOWN).
3.
Push the door control or programmed remote control again.
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. The LED will open and close the door (DOWN). The door will flash quickly...
3850 Elite Series Manual - Page 25
... (or 2x4 laid flat), remove the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment.
• If the unit continues to close the door. See Figure 3, page 21.
• Repeat the test.
• When the door reverses on the floor, centered under the garage door.
• Operate the door in the down position...
3850 Elite Series Manual - Page 26
... the push button or bar down until down until the door starts to garage door opener BEFORE making ANY repairs or removing covers.
15.
If the sensor is not installed, or is misaligned, the door won't close the door with the opener lights on when someone walks through the open , the door will stop .
7. However, you release them until the...
3850 Elite Series Manual - Page 31
... trolley is equipped with beep, sounding approximately every 2 seconds, indicates the motor unit is activating the door and is operating off when door is open: • The garage door opener is against the stop . Having a Problem (Troubleshooting)
NOTE: Always unplug battery prior to Operation section; Bell Wire
Diagnostics Located On Motor Unit
Safety Reversing Sensor
Sending Eye...
3850 Elite Series Manual - Page 32
..., replace/attach as needed .
• Disconnect all wires from back of motor unit.
• Remove sensors from brackets and shorten sensor wires to 1-2 ft (30-60 cm) from back each of ...Motor Unit
"Learn" Button LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire. The "Learn" button/diagnostic LED will flash a number of...
3850 Elite Series Manual - Page 34
... operate with a non-rolling 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 open and close when you wish to operate your garage door opener, the large button is operated with additional 315 MHz Security✚® remote...
3850 Elite Series Manual - Page 35
... the ✽ button. The opener light will blink four times.
3. The opener light will blink three times. The opener light will blink twice. One Button Close: Opener can be closed by visitors or service people with a temporary 4-digit PIN. The keypad will no longer open the door.
Press the four buttons for your garage door opener. Release the # button...
3850 Elite Series Manual - Page 38
... 378LM
915LM
CLOSED OPEN
Garage Door Monitor:
Security for the largest door of your garage door is designed to operate garage door opener from outside by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to precisely park vehicles in the home with a remote.
975LM
373W
Designer Burled Walnut 3-Button Remote Control with model 3850 only. Tells...
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