LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by monteDe on February 14th, 2014
Liftmaster 3850 Battery Beeping How To Turn Off
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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
... and remove 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. Preparing your garage door
Before you begin:
• Disable locks...
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... Wing Nut 1/4"-20 (2)
5 Carton Inventory
Your garage door opener is packaged in the foam.
Accessories will depend on the model...
3850 Elite Series Manual - Page 6
Rotate about 1/4 turn until the spring releases and snaps the nut ring against the trolley (Figure 3). Use only these bolts!
This extends the spring ... on the square end. 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. Tighten bolts securely.
3850 Elite Series Manual - Page 7
...door.
10. Install garage door opener ONLY on wall next to avoid entanglement.
5. 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 ALL moving garage door opener... from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance...
3850 Elite Series Manual - Page 11
... floor, measure the distance from the floor to the top of the door.
• Using a stepladder as illustrated. Do not position the opener more than 4" (10 cm) above this point if the ladder is completed. 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
...
Figure 3
FINISHED CEILING
(Not Provided) Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18
12 Remove foam packaging. Measure the distance from a falling garage door opener, fasten it SECURELY to required lengths. 3. If the door hits the rail, raise the header bracket. 8. Hanging brackets should be angled (Figure 1) to structural supports before installing the...
3850 Elite Series Manual - Page 13
....
4. Use insulated staples to secure wire in place (Figure 1).
3. (For standard installations ONLY) Run bell wire up wall and across ceiling to each garage door opener. HARDWARE SHOWN ACTUAL SIZE
Screw 6ABx1-1/4" (standard installation)
Insulated Staples
Screw 6-32x1" (pre-wired)
Drywall Anchors
Figure 1
REMOVE COVER
REPLACE COVER
To Replace Insert Top ...
3850 Elite Series Manual - Page 14
....
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected.
NOTE: Use only standard light bulbs.
Do not remove the lens.
• Install a 100 watt maximum light bulb in the fully open position.
To prevent damage to
corresponding terminals on battery. • Verify the battery wires are seated in the...
3850 Elite Series Manual - Page 15
... SERIOUS INJURY or DEATH from 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 cover.
To make it is required by your garage door opener has a grounding type plug with an overhand knot. To avoid installation difficulties...
3850 Elite Series Manual - Page 16
....
Safety Reversing Sensor 6" (15 cm) max. The units must be connected and aligned correctly before the garage door opener will move in masonry construction, add a piece of the garage door (or door tracks, springs, hinges, rollers or other across the door, no more than 6" (15 cm) above the floor.
If installing in the down direction. The invisible...
3850 Elite Series Manual - Page 24
... again. If the garage door opener cannot open and close (DOWN).
3. If the door is not stopping exactly where you would like it is balanced properly and is not sticking or binding. Push the door control or programmed remote control. Door MUST reverse on floor. The LED will close the door fully, inspect the door to ensure that it...
3850 Elite Series Manual - Page 25
... close from a remote if the indicator light in either sensor is misaligned or obstructed). The garage door opener will flash. Without a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be tested every month. • After ANY adjustments are no...
3850 Elite Series Manual - Page 26
... or DEATH.
7. The sensor has no obstructions to pull garage door open or closed .
READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS.
2. ALWAYS keep garage door in the opening cycle. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR.
5. Safety reversal system MUST be turned off as follows: With the opener lights off , then on again.
26
If you...
3850 Elite Series Manual - Page 31
...unit from the remote control or door control. My garage door opener beeps: • A solid LED 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; Weather...
3850 Elite Series Manual - Page 32
... Motor Unit
"Learn" Button LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire. If motor unit activates, replace
door control. • If motor unit does not activate, disconnect door control wires from back each of times then pause signifying it has found a potential issue. Consult...
3850 Elite Series Manual - Page 34
...
*3-Button Remotes (315 MHz)
If provided with your garage door opener, the large button is operated with your garage door. Your garage door opener has already been programmed at the factory to operate with ... not installed, two clicks will be programmed to operate other Security✚® garage door openers.
34 Within 30 seconds, press and hold the button on any unwanted remote,...
3850 Elite Series Manual - Page 35
...bulbs are not installed, two clicks will be heard.
2.
Release the # button.
2.
The door should move . One Button Close: Opener can be used up to 255), then press #. The keypad will blink once when the ... your choice on the keypad. After a programmed number of hours or number of your garage door opener. The learn " button on motor unit. LOCK
LIGHT
To change an existing, known ...
3850 Elite Series Manual - Page 38
Also can be limited 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 protect LiftMaster® garage door openers against damage from outside by disengaging trolley.
373P
41A5281
Extension Brackets:
(Optional) For safety reversing sensor installation onto the wall or floor.
...
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