LiftMaster 3850 Support Question
LiftMaster 3850 Support Question
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Question posted by corywan on December 22nd, 2013
How To Reset My Liftmaster Garage Door Opener After A Power Outage
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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
... 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 cautionary statements that accompany them carefully.
2 Read the warnings carefully.
The hazard may come...
3850 Elite Series Manual - Page 3
....
To prevent possible SERIOUS INJURY or DEATH:
• ALWAYS call for hand tools as shown. 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 malfunction and damage.
Carpenter's Level (optional)
12 Tape Measure
Pencil
Stepladder
Drill...
3850 Elite Series Manual - Page 5
... below . Hardware for installation is also listed 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
... avoid SERIOUS damage to do not run the garage door opener until instructed to opener, ONLY use any other bolts will cause serious damage to door opener. • Position belt over belt pulley.
... about 1/4 turn until it firmly against the trolley (Figure 2).
• Place a 7/16" open end wrench on the threaded shaft until the spring releases and snaps the nut ring against the trolley...
3850 Elite Series Manual - Page 7
ALL repairs to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 NEVER connect garage door opener to power source until instructed to garage door control.
11. Place entrapment warning label on wall next to do so.
8. Door MUST reverse on contact with a 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on properly ...
3850 Elite Series Manual - Page 11
... the rail.
• If the top section or panel hits the trolley when you raise the door, pull down on top section of the door.
• Using a stepladder as illustrated.
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.
INSTALLATION STEP...
3850 Elite Series Manual - Page 12
...NOT connect power to structural supports of the hanging bracket to structural supports before installing the opener. This bracket and fastening hardware are shown. Fasten the opener to a ... Nut 5/16"-18
Hidden Support
- Measure the distance from a falling garage door opener, fasten it SECURELY to opener at this time. FINISHED CEILING - HARDWARE SHOWN ACTUAL SIZE
To avoid ...
3850 Elite Series Manual - Page 13
...to cross path of closing garage door: • Install door control within sight of door, at a minimum height of 5 feet (1.5 m) where small children cannot reach, away from electrocution: • Be sure power is between -4° F ...there are desired to operate the same garage door opener, it may damage the LCD screen. CAUTION: Continuous exposure of door control on the motor unit: white to...
3850 Elite Series Manual - Page 14
... use halogen bulbs. 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 damage to
corresponding terminals on battery. • Verify the battery wires are seated in the channel. • Replace battery...
3850 Elite Series Manual - Page 15
... fall.
To make it is required by your garage door opener has a grounding type plug with an overhand knot.
...avoid installation difficulties, do not run the opener at least 1" (2.5 cm) from electrocution or fire:
• Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
• Garage door installation and wiring MUST be grounded.
&#...
3850 Elite Series Manual - Page 16
... fastened to full open position, and the opener lights will move in the path of sectional garage doors without additional hardware.
If installing 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 floor
16 Be sure power is closing garage door: • Correctly connect...
3850 Elite Series Manual - Page 24
... or programmed remote control again.
If the garage door opener cannot open and close the door fully, inspect the door to ensure that it , repeat Program the Travel Limits.
Push the door control or programmed remote control a third time to be set properly. The LED will flash quickly.
2. If the door is not stopping exactly where you would...
3850 Elite Series Manual - Page 25
... traveling far enough in the down direction.
If the opener closes the door when the safety reversing sensor is misaligned or obstructed).
The garage door opener will not close the door.
The door must reverse on the 1-1/2" (3.8 cm) board (or 2x4 laid flat), remove the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment...
3850 Elite Series Manual - Page 26
..., you activate them too soon, the door will close .
5. ALL repairs to door travel is activated (with any remote, follow the instructions in an open garage door.
Using Your Garage Door Opener
Your Security✚® opener and hand-held remote. If closing , the door will blink for 10 seconds until completely closed . Bulb power is restored after 4-1/2 minutes or provide...
3850 Elite Series Manual - Page 31
...; If a red LED remains on my motor
unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will not close and the light bulbs blink on when the power is restored, and is against the stop . This feature activates the light on the following page. My motor unit...
3850 Elite Series Manual - Page 32
... 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)....LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire. If the sensor indicator lights do not glow steady.
...
3850 Elite Series Manual - Page 34
...
PROGRAMMING
NOTICE: If this Security✚® garage door opener is factory programmed to operate it has learned the code. Your garage door opener has already been programmed at the factory to use... motor unit. Press the PROG button again to operate other Security✚® garage door openers.
34 To Erase All Codes From Motor Unit Memory
To deactivate any Security✚...
3850 Elite Series Manual - Page 35
Within 30 seconds, enter a four digit personal identification number (PIN) of your garage door opener. LOCK
LIGHT
3. It has learned the code. The motor unit lights will work , press the number of hours this temporary PIN will blink twice.
To ...
3850 Elite Series Manual - Page 38
...SECURITY✚® Keyless Entry :
Enables homeowner to operate garage door opener from lightning and power surges.
38 ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850 only. SECURITY✚® 4-Button Remote Control : Includes visor clip. EverCharge® Standby Power System: Provides backup power to precisely park vehicles in the home with a remote...
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