LiftMaster 3850 Support Question
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Question posted by athursy on February 17th, 2014
How Do I Turn Off The Battery Backup Beep On Chamberlain 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. ■ The door...
3850 Elite Series Manual - Page 2
... the Protector System 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 serious injury or death if you do...
3850 Elite Series Manual - Page 3
... ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid entanglement.
If your garage door is balanced and is out of the opener, instructions will call for hand tools as shown. 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...
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...20 (2)
5 Hardware for installation is also listed below . Carton Inventory
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
... Motor Unit
To avoid installation difficulties, do not run the garage door opener until it firmly against the trolley (Figure 2).
• Place a 7/16" open end wrench on top of motor unit. • Align rail and styrofoam over the motor unit belt pulley.
Rotate about 1/4 turn until the spring releases and snaps the nut ring against...
3850 Elite Series Manual - Page 7
....
9. ALL repairs to fingers from moving parts of 5 feet (1.5 m).
• away from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 NEVER connect garage door opener to power source until instructed to the installation section. Place manual release/safety reverse test label in plain view on wall next to avoid...
3850 Elite Series Manual - Page 11
.... Header Bracket
Top of Motor Unit
Top of door. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to -rail distance.
• Raise the opener onto a stepladder. ENGAGED
Trolley Release Arm
RELEASED
ONE-PIECE DOOR WITHOUT TRACK
• With the door fully open and parallel to the top of the...
3850 Elite Series Manual - Page 12
... angled (Figure 1) to the structural support. 2. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to make sure the rail is centered over the door (or in the structural supports. 4.
INSTALLATION STEP 5 Hang the Opener
Three representative installations are not provided. 1. This bracket and fastening hardware...
3850 Elite Series Manual - Page 13
... aligned. Strip 7/16" (11 mm) of insulation from end of the door control is properly adjusted and there are desired to operate the same garage door opener, it may damage the LCD screen. Fasten with door control push buttons or remote controls. • Activate door ONLY when it can be mounted to avoid cracking plastic housing...
3850 Elite Series Manual - Page 14
...bulb in the fully open position.
To prevent damage to
corresponding terminals on battery. • Verify the battery wires are seated in the channel. • Replace battery cover.
To prevent ... will turn ON and remain lit for replacement.
Then the lights will turn OFF.
• Reverse the procedure to close the lens.
• Use A19, standard neck garage door opener bulbs...
3850 Elite Series Manual - Page 15
...
Overhand Knot
INSTALLATION STEP 10 Electrical Requirements
To avoid installation difficulties, do not run the opener at least 1" (2.5 cm) 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 prevent possible SERIOUS INJURY...
3850 Elite Series Manual - Page 16
... onto the track of its electronic beam. above floor
16 The sending eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. Extension brackets (see Accessories) are designed to a solid surface such as the sun never shines directly into the receiving...
3850 Elite Series Manual - Page 24
...particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
• Too much force on garage door will interfere with 1-1/2" (3.8 cm) high object (or 2x4 laid flat... quickly.
2.
The LED will stop flashing when the force has been programmed. If the garage door opener cannot open (UP).
4. Figure 1
n n
LED
Black Button Purple Button
Figure 2
Push Purple button...
3850 Elite Series Manual - Page 25
... reversal system, persons (particularly small children) could be tested. The garage door opener will not close the door.
See Figure 3, page 21.
• Repeat the test.
• When the door reverses on the 1-1/2" (3.8 cm) board (or 2x4 laid flat), remove the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment.
• If...
3850 Elite Series Manual - Page 26
... clearly, it must be turned off as follows: With the opener lights off again. when the opener is 100 watts maximum. They will close .
If possible, use handle to move .
• The Wall-Mounted Door Control: Hold the push button or bar down until down until the door starts to garage door opener BEFORE making ANY repairs or...
3850 Elite Series Manual - Page 31
... to a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery.
31 My door will not close and the light bulbs blink on my motor
unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will not turn off of any obstructions. My remotes will still...
3850 Elite Series Manual - Page 32
... 1-2 ft (30-60 cm) from motor unit.
Symptom: Door travels 2-3 inches and stops. • Reprogram limits and forces. Bell Wire
Safety Reversing Sensor
Diagnostic Chart
Diagnostics Located On Motor Unit
"Learn" Button LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire. Consult Diagnostic Chart...
3850 Elite Series Manual - Page 34
...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 glow steadily for programming your garage door. PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. Press...
3850 Elite Series Manual - Page 35
... activated at the factory.
Release the button when the motor unit lights blink.
Press the four buttons for your garage door opener.
Press the temporary 4-digit PIN you have chosen, then press Enter.
The door should move . The keypad will glow steadily for the present PIN, then press and hold the enter button.
2. USING...
3850 Elite Series Manual - Page 38
... your garage door is designed to the garage door opener. Also can be limited to precisely park vehicles in the home with a remote.
975LM
373W
Designer Burled Walnut 3-Button Remote Control with model 3850 only.
SECURITY✚® 4-Button Remote Control : Includes visor clip.
ACCESSORIES
1702LM
Outside Quick Release:
Required for visitors or service persons. Includes battery...
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