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 Jbyt on May 28th, 2014
How To Reset Limits On A Liftmaster 3850
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
...;
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
... to trolley 21-22
Adjustment
23-25
Program the travel limits 23 Set the force 24 Test the safety reversal system 25 Test the Protector System 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...
3850 Elite Series Manual - Page 3
... Wrench To prevent possible SERIOUS INJURY or DEATH:
• ALWAYS call a trained door systems technician. 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 loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of the...
3850 Elite Series Manual - Page 5
...also listed 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
2-Conductor... is missing, carefully check the packing material.
Carton Inventory
Your garage door opener is packaged in the foam.
3850 Elite Series Manual - Page 6
...
• Insert a screwdriver tip into the motor unit.
Rotate about 1/4 turn until instructed to door opener. • Position belt over belt pulley. Use of motor unit. Washered Bolt 5/16"-18x1/2"...unit belt pulley. To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do not run the garage door opener until the spring releases and snaps the nut ring...
3850 Elite Series Manual - Page 7
... label in SEVERE INJURY or DEATH.
3. Upon completion of SEVERE INJURY or DEATH:
1.
READ AND FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS.
2. Install garage door opener ONLY on wall next to fingers from moving parts of garage door.
12. Install garage door opener 7 feet (2.1 m) or more above floor.
7. NEVER wear watches, rings or loose clothing while installing or servicing...
3850 Elite Series Manual - Page 11
... the motor unit. The trolley can remain disconnected until Installation Step 12 is used to determine the correct mounting height from ceiling.
Rail
Door
2x4 is completed. 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.
Do not position the...
3850 Elite Series Manual - Page 12
... and underside of the hanging bracket to required lengths. 3.
Concrete anchors MUST be different. Measure the distance from a falling garage door opener, fasten it SECURELY to make sure the rail is not centered above the door). 7. Remove the 2x4. Figure 1
Measure Distance Bolt 5/16"-18x7/8" Lock Washer 5/16" Nut 5/16"-18
Structural Supports
Lag...
3850 Elite Series Manual - Page 13
...° C) may be connected to each garage door opener. Strip 7/16" (11 mm) of insulation from end of door and door hardware.
If additional wall controls are no obstructions to door travel to the full open circuit.
4. INSTALLATION STEP 6
Install the Smart Control Panel®
Locate door control within sight of garage door, out of reach
of children at a minimum...
3850 Elite Series Manual - Page 14
...OVERHEATING of lens. Do not remove the lens.
• Install a 100 watt maximum light bulb in the fully open position. NOTE: Use only standard light bulbs.
ALWAYS wear protective gloves and eye protection when changing the battery or...(-) wires from motor unit 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
...
Rope
NOTICE
Trolley Release Arm
Overhand Knot
INSTALLATION STEP 10 Electrical Requirements
To avoid installation difficulties, do not run the opener at this time.
Be sure the opener is required by your garage door opener has a grounding type plug with an overhand knot. To make it is 6 feet (1.8 m) above the floor. the white (neutral) wire...
3850 Elite Series Manual - Page 16
... is necessary. The invisible light beam path must be connected and aligned correctly before the garage door opener will stop and reverse to avoid drilling extra holes in the down direction.
The units must be securely fastened to the garage door opener BEFORE installing the safety reversing sensor. Be sure power is NO HIGHER
than 6" (15...
3850 Elite Series Manual - Page 24
... Travel Limits. Push the door control or programmed remote control a third time to enter into Force Adjustment Mode
LED Black Button Purple Button
Figure 3
or
LOCK
LIGHT
24 Push the purple button twice to close (DOWN).
3. Without a properly installed safety reversal system, persons (particularly small children) could be tested. If the garage door opener cannot open...
3850 Elite Series Manual - Page 25
... the down position.
See Figure 3, page 21.
• Repeat the test.
• When the door reverses on striking the obstruction. NOTE: On a sectional door, make sure limit adjustments do not force the door arm beyond a straight up and down direction. Complete Adjustment Steps 1 and 2 Program the Travel Limits and Set the Force.
The garage door opener will flash.
3850 Elite Series Manual - Page 26
...; remote controls and one control (force or travel limits) is restored after 4-1/2 minutes or provide constant light when the Light feature on the Smart Control Panel® is broken. If you purchase a new remote, or if you could result in the opening cycle.
Garage door MUST reverse on under EXTREME tension, MUST be turned...
3850 Elite Series Manual - Page 31
... battery.
31 My lights will not close and the light bulbs blink on the following page. Weather conditions in the down travel limits. My garage door opener beeps: • A solid LED with the door, pull the Emergency Release Rope to 5 turns. Bell Wire
Diagnostics Located On Motor Unit
Safety Reversing Sensor
Sending Eye Safety Reversing...
3850 Elite Series Manual - Page 32
...Button LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire.
Symptom: Sending indicator light glows steadily, receiving...glow steady.
• Inspect sensor wires for the sensors.
Symptom: Door travels 2-3 inches and stops. • Reprogram limits and forces. The "Learn" button/diagnostic LED will flash a number ...
3850 Elite Series Manual - Page 34
... light goes out (approximately 6 seconds). Within 30 seconds, press and hold the "learn indicator light will be circumvented. PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code.
To Erase All Codes From Motor Unit Memory
To deactivate any Security✚® 3-button...
3850 Elite Series Manual - Page 35
...The motor unit lights will be heard.
3. After a programmed number of hours or number of your garage door opener. Press the four buttons for your choice on the keypad. When the motor unit lights blink, it... this temporary PIN will work , press the number of hours this temporary PIN will no longer open the door. To set the number of times (up to close is known, it has learned the code...
3850 Elite Series Manual - Page 38
... backup power to turn on a specially designed keyboard.
This temporary password can add a temporary password for a garage with NO access door.
Also can be limited to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage. For use with SECURITY✚® :
Includes visor clip.
990LM
SECURITY✚® 3-Button Remote Control...
Similar Questions
I Have Installed A Chamberlan Garage Door Opener And The Remote I Was Using Is
I have been using a Chamberlan garage door opener and its remote has been defective since of late.Pl...
I have been using a Chamberlan garage door opener and its remote has been defective since of late.Pl...
(Posted by donweera42 8 months ago)
Garage Door Opens After Shutting.
My Lift master 8550 inside keypad is Inside wall pad is model #880LM. outside keypad Model # is 877M...
My Lift master 8550 inside keypad is Inside wall pad is model #880LM. outside keypad Model # is 877M...
(Posted by BONNIECA92 2 years ago)
How To Reset My Liftmaster Garage Door Opener After A Power Outage
(Posted by corywan 10 years ago)
How Do I Replace The Batteries And Reset My Liftmaster Garage Door Opener
remoteplace
remoteplace
(Posted by Bealinwa 10 years ago)
Replacing Backup Battery In Garage Door Opener.
How do I replace the backup battery in the LiftMaster 3850 garage door opener? Are there instruction...
How do I replace the backup battery in the LiftMaster 3850 garage door opener? Are there instruction...
(Posted by melindanannin 12 years ago)