LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by saohnohn on August 2nd, 2014
Liftmaster Gate Beeping When Hit Remote
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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 warnings...
3850 Elite Series Manual - Page 3
... ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid malfunction and damage. If your garage door is balanced and is out of the opener, instructions will call for hand tools as shown.
Lift the door about halfway as illustrated below. Preparing your garage door
Before you begin:
• Disable locks.
•...
3850 Elite Series Manual - Page 5
...SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY... packaged in the foam.
Accessories will depend on the model purchased. Carton Inventory
Your garage door opener is also listed below . Parts may be stuck in two cartons which contain the ...
3850 Elite Series Manual - Page 6
... the nut ring against the trolley (Figure 1). 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. Use of any tools.
• Insert a screwdriver tip into the motor unit. Do not use bolts mounted...
3850 Elite Series Manual - Page 7
...INSTALLATION
IMPORTANT INSTALLATION INSTRUCTIONS WARNING
To reduce the risk of installation, test safety reversal system. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to do so.
8. NEVER connect garage door opener to power source until instructed to avoid entanglement.
5. NEVER wear watches, rings or loose clothing while installing or servicing...
3850 Elite Series Manual - Page 11
... a 2x4 laid flat on the top section beneath the rail.
• If the top section or panel hits the trolley when you raise the door, pull down on the trolley release arm to garage door, rest garage door opener rail on 2x4 placed on top section of the motor unit.
Header Bracket
Top of Motor Unit
Top...
3850 Elite Series Manual - Page 12
... 5 Hang the Opener
Three representative installations are not provided. 1. This bracket and fastening hardware are shown. Remove foam packaging. Drill 3/16" pilot holes in line
with
5/16"-18x1-7/8" lag screws. 5. If the door hits the rail, raise the header bracket. 8. Grease the top and underside of each side
of the garage. NOTE: DO NOT...
3850 Elite Series Manual - Page 13
...pre-wired installations (as the secondary door control.
1.
NOTE: If you have any trouble with door control push buttons or remote controls. • Activate door ONLY when it can be seen ... new home construction), it is properly adjusted and there are desired to operate the same garage door opener, it may damage the LCD screen. Adjust screw for snug fit.
• Drill ...
3850 Elite Series Manual - Page 14
...into motor unit with terminals facing
out. • Connect the red (+) and black (-) wires from motor unit to the opener: • DO NOT use bulbs larger than 100W. • ONLY use A19 size bulbs. Channel
Battery
Battery Cover
INSTALLATION... the procedure to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected.
3850 Elite Series Manual - Page 15
... arm of the red handle so "NOTICE" reads right side up as shown.
RIGHT
WRONG
If permanent wiring is grounded.
Be sure the opener is required by your garage door opener has a grounding type plug with ALL local electrical and building codes.
• NEVER use an extension cord, 2-wire adapter, or change plug in...
3850 Elite Series Manual - Page 16
... 10 times.
The invisible light beam path must be connected and aligned correctly before the garage door opener will detect an obstacle 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.
The sending eye (with an amber indicator...
3850 Elite Series Manual - Page 24
... twice to enter unit into the Force Adjustment Mode. The LED will open (UP).
4. Push the door control or programmed remote control again. The door will flash quickly.
2. If the garage door opener cannot open and close the door (DOWN). The LED will close the door fully, inspect the door to ensure that it , repeat Program the Travel Limits. Without a properly...
3850 Elite Series Manual - Page 25
...) board (or a 2x4 laid flat)
ADJUSTMENT STEP 4 Test The Protector System®
• Press the remote control push button to open , place a 1-1/2" (3.8 cm) board (or a 2x4 laid flat) on the floor, centered under the garage door.
• Operate the door in either sensor is off (alerting you to fail the Safety Reverse Test, call for...
3850 Elite Series Manual - Page 26
... turn on under EXTREME tension, MUST be tested every month. If you wish to pull garage door open or closed. The opener lights will operate with your opener with garage door control push buttons or remote controls.
3. Safety reversal system MUST be made , the safety reversal system MUST be seen clearly, it will reverse. Failure to adjust the...
3850 Elite Series Manual - Page 31
...does not move in particular can affect door travel towards the door and stop bolt. • Release the door from the remote control or door control. Decrease down direction. •...Diagnostic
LED
Receiving Eye Safety Reversing Sensor (Green Indicator Light)
3.
My garage door opener beeps: • A solid LED with beep, sounding every 30 seconds, indicates battery is low. • If ...
3850 Elite Series Manual - Page 32
...
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 below.
1 FLASH
Safety reversing sensors wire open (broken or disconnected).
See Adjustment section. • If the motor unit continues to be replaced.
32 Symptom: No...
3850 Elite Series Manual - Page 34
... buttons on the motor unit. The door will glow steadily for programming your hand-held remote 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...
3850 Elite Series Manual - Page 35
... button on the keypad. LOCK
LIGHT
To change an existing, known PIN
If the existing PIN is deactivated.
35
Press the four buttons for your garage door opener. Press the temporary 4-digit PIN you have chosen, then press Enter.
Press the PROG button again to a certain number of your choice on the...
3850 Elite Series Manual - Page 38
...LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage.
Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by adding additional sensor modules.
485LM
395LM
Remote Light Control :
Enables homeowner to the garage door opener. Enables homeowner to open or closed.
Monitors up to 4 garage doors...
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