LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by Danxt on March 11th, 2014
How Do I Stop Liftmaster 3850 Battery Backup Beeping
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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
....
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to see if there is any ropes connected to garage door.
• Complete the following test to make sure your door binds, sticks, or is out of balance, call a trained door systems technician. Carpenter's Level (optional)
12 Tape Measure
Pencil...
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... 1/4"-20 (2)
5 Carton Inventory
Your garage door opener is packaged in the foam. Accessories will depend on the model purchased.
3850 Elite Series Manual - Page 6
... snaps the nut ring against the trolley (Figure 2).
• Place a 7/16" open end wrench on top of motor unit. 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 do so. • Remove the two washered bolts mounted...
3850 Elite Series Manual - Page 7
... avoid possible SERIOUS INJURY to do so.
8. To avoid SERIOUS PERSONAL INJURY or DEATH from moving parts of installation, test safety reversal system. NEVER connect garage door opener to power source until instructed to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7
3850 Elite Series Manual - Page 11
....
You will need help at this point. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner and outer sections. ENGAGED
Trolley Release Arm
RELEASED
ONE-PIECE DOOR WITHOUT TRACK
• With the door fully open and parallel to the floor, measure the distance from ceiling...
3850 Elite Series Manual - Page 12
... from each bracket to the structural support. 2. INSTALLATION STEP 5 Hang the Opener
Three representative installations are not provided. 1. Remove foam packaging.
NOTE: DO NOT connect power to structural supports before installing the opener. FINISHED CEILING - Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to...
3850 Elite Series Manual - Page 13
.../e167"/1(61"1 mm)
7/167"/(1161" (m11mm) m)
To insTeortreolrearseeleaosreinwsierret,wpiurseh, in several places. NOTE: The functional temperature range of the door control is properly adjusted and there are desired to operate the same garage door opener, it is connected and properly aligned. Adjust screw for snug fit.
• Drill and install top screw with 6AB...
3850 Elite Series Manual - Page 14
...the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. To prevent damage to the opener: • DO NOT use bulbs larger than 100W...is unplugged. • Using a Phillips head screwdriver, remove the battery cover on
the motor unit. • Partially insert battery into motor unit with terminals facing
out. • Connect the red...
3850 Elite Series Manual - Page 15
... 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. the white (neutral) wire to the screw on the brass terminal; The opener must be in compliance with an overhand knot at least...
3850 Elite Series Manual - Page 16
...
Invisible Light Beam Protection Area
Facing the door from a closing , the door will stop and reverse to full open position, and the opener lights will flash 10 times. INSTALLATION STEP 11 Install The Protector System®
The safety reversing sensor must be connected and aligned correctly before the garage door opener will detect an obstacle in the path...
3850 Elite Series Manual - Page 24
...) high object (or 2x4 laid flat) on contact with proper operation of force required to ensure that it is balanced properly and is not stopping exactly where you would like it, repeat Program the Travel Limits. If the garage door opener cannot open (UP).
4. Door MUST reverse on floor.
If the door is not sticking or binding.
3850 Elite Series Manual - Page 25
...door stops 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 the unit continues to fail the Safety Reverse Test, call for a trained door...15 cm) above the floor), call for a trained door systems technician.
The garage door opener will flash. Complete Adjustment Steps 1 and 2 Program ...
3850 Elite Series Manual - Page 26
... restore this feature may also need adjustment.
10. ALWAYS keep garage door in a partially open , the door will operate with 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on contact with up to garage door opener BEFORE making ANY repairs or removing covers.
15. If open position, it will stop .
4. Security✚® light feature: Lights will blink for 10...
3850 Elite Series Manual - Page 31
... Reversing Sensor (Green Indicator Light)
3. Trolley
4. 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 equipped with beep, sounding every 30 seconds, indicates battery is accompanied by adjusting the outer nut 4 to...
3850 Elite Series Manual - Page 32
...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...using shortened wires. Symptom: The door doesn't activate from the door control. • Inspect door control/wires for the sensors.
Symptom: Door travels 2-3 inches and stops. • Reprogram limits and ...
3850 Elite Series Manual - Page 34
... been programmed at the factory to circumvent that you wish to operate your garage door opener, the large button is operated 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 be heard.
*3-Button Remotes...
3850 Elite Series Manual - Page 35
... or number of accesses, this temporary PIN will work , press the number of your garage door opener. It can be closed by pressing only the ENTER button if the one opening. The opener light will blink twice. Release the button.
4. The opener light will blink four times when one button close feature has been activated. It...
3850 Elite Series Manual - Page 38
....
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... 3850 only.
EverCharge® Standby Power System: Provides backup power to turn on a specially designed keyboard. Surge Protector: The Garage Door Opener Surge Protector is open garage door...
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