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Most Recent LiftMaster 3850 Questions
Where Can I Find Serial Number For Hbw0777
Where can I find serial number for HBW0777?
Where can I find serial number for HBW0777?
(Posted by gatsie2 1 year ago)
Door Opening Problem
When I use the 3850 door opener, the garage door only opens about 6" then closes. When Ibhit the but...
When I use the 3850 door opener, the garage door only opens about 6" then closes. When Ibhit the but...
(Posted by Ajdettbarn 1 year ago)
Door Does Not Stay Closed
Model 3850P Door opens as soon as it reaches the ground. Safety sensors are good. Door closes softly...
Model 3850P Door opens as soon as it reaches the ground. Safety sensors are good. Door closes softly...
(Posted by Tony52691 1 year ago)
Find Belt Part #
I can't find belt numbert for 41A5685 my liftmaster garage door Modelo is 3850P-26
I can't find belt numbert for 41A5685 my liftmaster garage door Modelo is 3850P-26
(Posted by rafaelcamarillo2277 2 years ago)
Door Won't Close. Trolley At Stop Bolt. Only Travels Away From Door Now.
Door traveled too far up into the stop bolt. I released the emergency release as recommended. Loosen...
Door traveled too far up into the stop bolt. I released the emergency release as recommended. Loosen...
(Posted by Crdg2011 2 years ago)
LiftMaster 3850 Videos
LiftMaster 3850 Battery Backup Demo During a Thunderstorm
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Popular 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 WILL NOT CLOSE...
3850 Elite Series Manual - Page 2
... something mechanical or from motor unit memory 34
3-Button remotes 34
To add, reprogram or change a Keyless Entry PIN 35
Repair Parts
36-37
Rail assembly parts 36
Installation parts 36
Motor unit assembly parts 37
Accessories
38
Notes
39
Repair Parts and Service
40
Warranty
40
INTRODUCTION Safety Symbol and Signal Word Review
This garage door opener has been designed and...
3850 Elite Series Manual - Page 5
...
Your garage door opener is packaged in the foam.
Parts may be stuck in two cartons which contain the motor unit and all parts illustrated below . 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...
3850 Elite Series Manual - Page 12
.... 5. If the door hits the rail, raise the header bracket. 8. Concrete anchors MUST be different. Cut both pieces of the motor unit to structural supports of the garage.
FINISHED CEILING - Yours may be used if installing ANY brackets into masonry. Remove foam packaging. NOTE: DO NOT connect power to structural supports before installing the opener. Figure 1
Measure Distance...
3850 Elite Series Manual - Page 13
... machine screws (into drywall, drill 5/32" holes and use model 378LM wireless wall control as in place (Figure 1).
3. (For standard installations ONLY) Run bell wire up wall and across ceiling to the R (1) (Figure 2).
2.
INSTALLATION STEP 6
Install the Smart Control Panel®
Locate door control within sight of garage door, out of reach
of children at the lower/middle portion...
3850 Elite Series Manual - Page 14
... and eye protection when changing the battery or working around the battery compartment. Then the lights will turn OFF.
• Reverse the procedure to close the lens.
• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. To prevent possible OVERHEATING of the endpanel or light socket: • DO NOT use short...
3850 Elite Series Manual - Page 25
...®
• 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 the down position. The door will not move more than 1" (2.5 cm), and the opener lights will not close the door.
Without a properly installed safety reversing sensor, persons (particularly small children...
3850 Elite Series Manual - Page 26
... interrupts the sensor beam, the opener lights will open garage door. The opener lights will close from a hand-held remote control have been factory-set to door travel.
4. ALWAYS keep garage door in ; Security✚® light feature: Lights will stop .
4. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS.
2. WARNING
OPERATION
IMPORTANT SAFETY INSTRUCTIONS
WARNING
To reduce...
3850 Elite Series Manual - Page 28
...the door closed, press and hold the remote button that may be programmed to recalibrate itself. Replace the batteries with same type 3V2450 coin cell. Replace 3V2450 battery with only 3V2016 or 3V2450 coin cell batteries.
To reduce risk of a button. Dispose of old batteries properly. Press and hold the Light button on the Smart Control Panel®.
4. LED and Opener Batteries...
3850 Elite Series Manual - Page 31
... Eye Safety Reversing Sensor (Green Indicator Light)
3. The trolley should travel . • Refer to Operation section; My garage door opener beeps: • A solid LED with a security light feature. Having a Problem (Troubleshooting)
NOTE: Always unplug battery prior to Adjustment Step 2, Setting the force.
• Run the motor unit from the remote control or door control. The need for...
3850 Elite Series Manual - Page 32
... back of the Indicator lights on the safety reversing sensors do not light, replace the safety reversing sensors.
3 FLASHES
Door control or wire shorted.
4 FLASHES
Safety reversing sensors slightly misaligned (dim or flashing LED).
5 FLASHES
Motor RPM is dim or flashing. • Realign receiving eye sensor, clean lens and secure brackets. Symptom: Door travels 2-3 inches and stops. •...
3850 Elite Series Manual - Page 33
...to message #2.
The opener is running on the opener.
Meaning: Opener is pressed.
To clear the message, do not light, replace the safety reversing sensors. Meaning: This message will appear when the 'learn' button has been pressed a second time on the door control or anytime on battery power. Message
LEARN MODE PRESS REMOTE CONTROL BUTTON TO PROGRAM REMOTE
Meaning: This message...
3850 Elite Series Manual - Page 36
...m) One-piece Rail 8 feet (2.4 m) One-piece Rail 10 feet (3 m)
5
41A5434-11 Full belt assembly
6
41B4103
Tensioner assembly
7
83A11-2
Rail grease
KEY PART NO. NO. Spanish
36 DESCRIPTION
1 398LM
Smart Control Panel®
2 373P
3-Button remote control
3 10A19
3V2016 Lithium battery: LED and opener
4 10A33
3V2450 Lithium battery: proximity switch
5 29C151
Remote control visor clip...
3850 Elite Series Manual - Page 38
... Door Opener Surge Protector is open garage door manually from outside by disengaging trolley.
373P
41A5281
Extension Brackets:
(Optional) For safety reversing sensor installation onto the wall or floor.
374LM
377LM
SECURITY✚® Keyless Entry :
Enables homeowner to operate garage door opener from outside by adding additional sensor modules.
485LM
395LM
Remote Light Control...
3850 Elite Series Manual - Page 40
... CHARGES FOR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT OF BATTERIES IN REMOTE CONTROL TRANSMITTERS AND LIGHT BULBS OR UNITS INSTALLED FOR NON-RESIDENTIAL USE. NO PERSON IS AUTHORIZED TO ASSUME FOR US ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS PRODUCT.
HOW TO ORDER REPAIR PARTS
Selling prices will be furnished on how long an implied warranty lasts, so the above...
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