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 acerseerki on July 19th, 2014
Problem With Elite Series Garage Door Model 3850 Won't Close
The person who posted this question about this LiftMaster product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.
Current Answers
Related LiftMaster 3850 Manual Pages
3850 Elite Series Manual - Page 1
... enclosed safety materials carefully! ■ Fasten the manual near the garage door after installation. ■ The door WILL NOT CLOSE unless the Protector System® is connected and properly aligned. ■ Periodic checks of the opener are required to ensure safe operation. ■ The model number label is located under the light lens on the left...
3850 Elite Series Manual - Page 2
...
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
Smart...
3850 Elite Series Manual - Page 3
... tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid entanglement. Lift the door about halfway as illustrated below.
An unbalanced garage door may not reverse when required.
• NEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of the...
3850 Elite Series Manual - Page 5
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-...also listed below . Accessories will depend on the model purchased. Carton Inventory
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
... 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 the square... a screwdriver tip into the motor unit. To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to door opener. • Position belt over belt pulley. Cut tape from rail,
...
3850 Elite Series Manual - Page 7
... the motor unit belt pulley so the three holes in cap align with the three holes in garage door or opener mechanisms.
9.
To avoid possible SERIOUS INJURY to garage door control.
11. Install garage door opener ONLY on the floor.
13. Install garage door opener 7 feet (2.1 m) or more above floor.
7. They could result in plain view on wall next to fingers...
3850 Elite Series Manual - Page 11
... can remain disconnected until Installation Step 12 is convenient for setting an ideal door-to determine the correct mounting height from ceiling. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK
A 2x4 laid flat is completed.
To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to determine
the correct...
3850 Elite Series Manual - Page 12
... be used if installing ANY brackets into masonry. Check to the hanging brackets with the header bracket if the bracket is not centered above the door). 7.
Measure the distance from a falling garage door opener, fasten it SECURELY to the structural support. 2. NOTE: DO NOT connect power to provide rigid support. FINISHED CEILING - If the...
3850 Elite Series Manual - Page 13
...To prevent possible SERIOUS INJURY or DEATH from a closing garage door. NEVER permit anyone to cross path of closing garage door: • Install door control within sight of door, at a minimum height of 5 feet (1.5... to white and white/red to the full open circuit.
4. Use insulated staples to each garage door opener.
NOTE: The functional temperature range of insulation ...
3850 Elite Series Manual - Page 14
...; Press the release tabs on battery. • Verify the battery wires are seated in the fully open position. NOTE: Use only standard light bulbs. To prevent damage to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is in the channel. • Replace battery cover. Then the...
3850 Elite Series Manual - Page 15
...type outlet. This plug will only fit into the outlet you could result in an open or closed.
The opener must be in compliance with a match or lighter to the green ground screw.
Secure ... • NEVER use emergency release handle to disengage
trolley ONLY when garage door is required by your garage door opener has a grounding type plug with a third grounding pin. PERMANENT WIRING ...
3850 Elite Series Manual - Page 23
... prevent damage to vehicles, be too much pressure on floor. Adjust the position of the door by a closing the door (Figure 3).
4. Black moves the door UP (open . Setting the DOWN position:
5.
NOTE: Make sure the door opens high enough for a binding or sticking garage door.
• After ANY adjustments are made, the safety reversal system MUST be SERIOUSLY INJURED...
3850 Elite Series Manual - Page 24
... to enter unit into the Force Adjustment Mode. The door will open and close the door (DOWN). The door will close the door fully, inspect the door to ensure that it , repeat Program the Travel Limits. 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...
3850 Elite Series Manual - Page 25
... small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Safety reversal system MUST be SERIOUSLY INJURED or KILLED by a closing garage door.
NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down direction.
The garage door opener will flash. Without a properly installed safety reversing sensor...
3850 Elite Series Manual - Page 26
... cables, spring assemblies and other control may cause SEVERE INJURY or DEATH.
12. Activate your garage door opener, it is CLOSED. If closed . If opening cycle. If you can be seen clearly, it must be turned off as follows: With the opener lights off again. NEVER use , randomly accessing over 100 billion new codes.
Security✚®...
3850 Elite Series Manual - Page 30
...
The lockout feature prevents the trolley from a falling garage door: • If possible, use emergency release handle unless garage doorway is unbalanced or binding, call a
trained door systems technician. • Check to the opener, press the door control push bar. The door can then be fully closed . To Open the Door Manually
To prevent possible SERIOUS INJURY or DEATH from...
3850 Elite Series Manual - Page 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 binding problems.
• Refer to force or travel towards the door and stop bolt. • Release the door from the bolt, repeat the steps...
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 dim or flashing. • Realign receiving eye sensor, clean lens and secure brackets. Symptom: One or both of the Indicator lights on the safety ...
3850 Elite Series Manual - Page 38
... Assist: Laser enables homeowners to a programmable number of hours or entries.
370LM 378LM
915LM
CLOSED OPEN
Garage Door Monitor:
Security for a garage with model 3850 only. Tells you if your home! Wireless Door Control: Push bar, light feature and auxiliary button.
Monitors up to 4 garage doors by entering a password on a lamp, television or other appliance from lightning and power...
3850 Elite Series Manual - Page 40
..., and maintenance and testing.
Defective parts will be billed accordingly.
THIS LIMITED WARRANTY DOES NOT COVER ANY PROBLEMS WITH, OR RELATING TO, THE GARAGE DOOR OR GARAGE DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT OR HINGES. Some states do not allow the exclusion or limitation of dealers in materials and/or...
Similar Questions
How To Replace Battery On 3850 Elite Series Garage Door Opener
(Posted by jbpi 10 years ago)
Elite Series Garage Door Opener Model 3850 Lights Liftmaster Turn On When
sensor a detect
sensor a detect
(Posted by BoppiCsim 10 years ago)
How To Change Battery On Liftmaster Elite Series Garage Door Opener
(Posted by Parissil 10 years ago)
Where To Buy Batteries For A Model 3850 Elite Series Garage Door Opener
(Posted by NADGmark85 10 years ago)
What Kind Of Battery Does A Liftmaster Elite Series Garage Door Opener Use?
(Posted by qpape 10 years ago)