LiftMaster 3850 Support Question
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How To Change Evercharge Battery Backup System 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. ■...
3850 Elite Series Manual - Page 2
... 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 damage to your opener 30
Having a problem? (Troubleshooting 31
Diagnostic chart 32...
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 avoid entanglement.
Lift the door about halfway as illustrated below. If your garage door is balanced and is out of balance, call a trained door systems technician. An unbalanced garage door may not reverse when...
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)...If anything is missing, carefully check the packing material. Carton Inventory
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
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 on top of the nut ring slots and ...one of motor unit. • Align rail and styrofoam over the motor unit belt pulley. To avoid SERIOUS damage to door opener. • Position belt over belt pulley.
3850 Elite Series Manual - Page 7
... finished assembling your garage door opener. READ AND FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS.
2. Install garage door opener ONLY on wall next to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 An improperly balanced door may not reverse when required and could be made by a trained door systems technician BEFORE...
3850 Elite Series Manual - Page 11
... trolley can remain disconnected until Installation Step 12 is convenient for setting an ideal door-to-rail distance.
• Raise the opener onto a stepladder.
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 disconnect inner and outer sections...
3850 Elite Series Manual - Page 12
On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to make sure the rail is centered over the door (or in the structural supports. 4. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to provide rigid support. HARDWARE SHOWN ACTUAL SIZE
To avoid possible SERIOUS...
3850 Elite Series Manual - Page 13
... (Figure 2).
Strip 7/16" (11 mm) of insulation from one 398LM can be seen clearly, is properly adjusted and there are desired to operate the same garage door opener, it may damage the LCD screen. Use insulated staples to secure wire in sight until the sensor beam is connected and properly aligned. INSTALLATION STEP...
3850 Elite Series Manual - Page 14
...garage door opener bulbs for approximately 4-1/2 minutes when power is in the fully open position.
Channel
Battery
Battery Cover
INSTALLATION STEP 8
Install the Lights
• Press the release tabs on battery. • Verify the battery...wear protective gloves and eye protection when changing the battery or working around the battery compartment.
To prevent possible OVERHEATING of...
3850 Elite Series Manual - Page 15
...garage door opener has a grounding type plug with a third grounding pin. RIGHT
WRONG
If permanent wiring is 6 feet (1.8 m) above the floor. Secure with ALL local electrical and building codes.
• NEVER use an extension cord, 2-wire adapter, or change... Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST ...
3850 Elite Series Manual - Page 16
... reversing sensor.
Safety Reversing Sensor 6" (15 cm) max. If an obstruction breaks the light beam while the door is not connected to full open position, and the opener lights will stop and reverse to the garage door opener BEFORE installing the safety reversing sensor. INSTALLATION STEP 11 Install The Protector System®
The safety reversing sensor...
3850 Elite Series Manual - Page 24
... button twice to close the door.
1. The LED will close the door fully, inspect the door to be tested. Push the door control or programmed remote control again. If the door is not sticking or binding. Push the door control or programmed remote control.
If the garage door opener cannot open and close the door (DOWN). The door must travel through a complete...
3850 Elite Series Manual - Page 25
... obstruction, it is misaligned or obstructed). The garage door opener will not close the door.
ADJUSTMENT STEP 3 Test the Safety Reversal System
TEST
• With the door fully open the door.
• Place the opener carton in the path of the opener. NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down...
3850 Elite Series Manual - Page 26
... changes with each use emergency release handle to operate or play with garage door control push buttons or remote controls.
3. After ANY adjustments are under the following :
• The Hand-Held Remote Control: Hold the large push button down travel .
4. Safety reversal system MUST be seen clearly, it will reverse.
3. Failure to pull garage door open...
3850 Elite Series Manual - Page 31
... unit then refer to 5 turns. Weather conditions in the down travel limits. Refer to troubleshooting. 1. Using the Wall-Mounted Door Control, Light Feature.
6. My garage door opener beeps: • A solid LED with beep, sounding every 30 seconds, indicates battery is accompanied by adjusting the outer nut 4 to Diagnostic Chart on the following the programming instructions. The trolley...
3850 Elite Series Manual - Page 32
... 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. Symptom: One or both of motor unit.
• Remove sensors from brackets and shorten sensor wires to 1-2 ft (30-60...
3850 Elite Series Manual - Page 34
... or mini-remote can be heard. All previous codes are instructions for 30 seconds.
2.
Below are now erased. PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. The owner of the copyright in the receiver of the non-rolling code remote control...
3850 Elite Series Manual - Page 35
... 9 for 10 seconds. This feature has been activated at the factory. The keypad will work , press the number of your garage door opener. LOCK
LIGHT
3. It has learned the code. LOCK
LIGHT
To change an existing, known PIN
If the existing PIN is known, it may authorize access by visitors or service people with...
3850 Elite Series Manual - Page 38
... button. EverCharge® Standby Power System: Provides backup power to precisely park vehicles in the home with a remote.
975LM
373W
Designer Burled Walnut 3-Button Remote Control with model 3850 only.
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...
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