LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
Find answers below for this question about LiftMaster 3850.Need a LiftMaster 3850 manual? We have 1 online manual for this item!
Question posted by hartob on September 14th, 2013
Why Is My Liftmaster Beeping
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Current Answers
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
... Parts and Service
40
Warranty
40
INTRODUCTION Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to the possibility of serious injury or death if...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 that accompany ...
3850 Elite Series Manual - Page 3
... or sticking. If balanced, it should stay in place, supported entirely by its springs.
2. 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. Carpenter's Level (optional)
12 Tape Measure
Pencil
Stepladder
Drill Bits
Drill
3/16...
3850 Elite Series Manual - Page 5
... contain the motor unit and all parts illustrated below . Carton Inventory
Your garage door opener is packaged in the foam. LOCK
LIGHT
SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY
Motor Unit with Light Lenses
2-Conductor Bell Wire White...
3850 Elite Series Manual - Page 6
... against the trolley (Figure 2).
• Place a 7/16" open end wrench on the threaded shaft until it is finger tight against the trolley (Figure 3). To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do not run the garage door opener until instructed to door opener. • Position belt over belt pulley.
3850 Elite Series Manual - Page 7
... READ AND FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS.
2. They could result in garage door or opener mechanisms.
9.
You have now finished assembling your garage door opener. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to garage door control.
11.
Attach with a 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on properly...
3850 Elite Series Manual - Page 11
... the top of the motor unit.
To prevent damage to determine
the correct mounting height
from ceiling.
11 SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK
A 2x4 laid flat is used to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to disconnect inner and outer sections.
You will need help...
3850 Elite Series Manual - Page 12
... the motor unit to make sure the rail is centered over the door (or in the structural supports. 4.
Cut both pieces of the garage. NOTE: DO NOT connect power to structural supports before installing the opener.
Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to the...
3850 Elite Series Manual - Page 13
...-head screwdriver (Figure 1). DO NOT overtighten.
• Replace cover by color: white wire to the W (2) and white/red wire to each garage door opener. The trolley will travel . • ALWAYS keep garage door in place (Figure 1).
3. (For standard installations ONLY) Run bell wire up wall and across ceiling to the close position until completely closed...
3850 Elite Series Manual - Page 14
...® Standby Power System (optional)
• Make sure motor unit is in the fully open position. ALWAYS wear protective gloves and eye protection when changing the battery or working around the ... prevent damage to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. Light bulb size should be A19, standard neck ...
3850 Elite Series Manual - Page 15
... possible SERIOUS INJURY or DEATH from a falling garage door: • If possible, use handle to pull door open door falling rapidly and/or unexpectedly. • NEVER use emergency release handle unless garage doorway is clear of the outer trolley.
• Adjust rope length so the handle is required by your garage door opener has a grounding type plug with an...
3850 Elite Series Manual - Page 16
... NO HIGHER
than 6" (15 cm) above floor
16
Safety Reversing Sensor 6" (15 cm) max.
If it is not connected to the garage door opener BEFORE installing the safety reversing sensor.
above garage floor. The sending eye (with an amber indicator light) transmits an invisible light beam to avoid drilling extra holes in the path...
3850 Elite Series Manual - Page 24
... exactly where you would like it, repeat Program the Travel Limits. If the garage door opener cannot open and close the door fully, inspect the door to close the door.
1. Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on garage door will interfere with proper operation of force required to enter into Force Adjustment Mode...
3850 Elite Series Manual - Page 25
... Safety Reverse Test, call for a trained door systems technician.
ADJUST
• If the door stops on striking the obstruction. Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force.
The garage door opener will flash. NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down position...
3850 Elite Series Manual - Page 26
... SEVERE INJURY or DEATH:
1. After ANY adjustments are under the following :
• The Hand-Held Remote Control: Hold the large push button down until the door starts to pull garage door open or closed . ALL repairs to eight Security✚® remote controls and one control (force or travel is complete. Your...
3850 Elite Series Manual - Page 31
..., Light Feature.
6.
Weather conditions in length.
• If the trolley does not move in particular can affect door travel limits. My garage door opener beeps: • A solid LED with a security light feature. Decrease down direction. • Verify the safety reversing sensors are properly installed,
aligned and free of the battery. &#...
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). Momentarily short across red and white terminals with self-diagnostic capabilities. OR
2 FLASHES
Safety reversing...
3850 Elite Series Manual - Page 34
... that you wish to confirm Learn Mode.
3. PROGRAMMING
NOTICE: If this Security✚® garage door opener 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 (315 MHz...
3850 Elite Series Manual - Page 35
...code. Test by visitors or service people with a temporary 4-digit PIN. The door should move . The opener light will blink once when the PIN has been learned.
The keypad will be ... press ✽. Release the button.
4. One Button Close: Opener can be closed by pressing the four buttons for your garage door opener. Press the new 4-digit PIN you have chosen, then press...
3850 Elite Series Manual - Page 38
... :
Enables homeowner to open or closed. Monitors up to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. This temporary password can... 3850 only. ACCESSORIES
1702LM
Outside Quick Release:
Required for the largest door of hours or entries.
370LM 378LM
915LM
CLOSED OPEN
Garage Door Monitor:
Security for a garage with NO access door...
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