LiftMaster 3850 Support Question
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Question posted by tammiedriver on January 13th, 2013
I Have No Power
I have no power ...unplugged and plugged something else up and worked but plugged the garage door back up and still will not work.
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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. ■...
3850 Elite Series Manual - Page 2
...INTRODUCTION Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to offer ...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 your garage door and/or the garage door opener...
3850 Elite Series Manual - Page 3
... under EXTREME tension.
• Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid malfunction and damage.
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 balance, call for hand...
3850 Elite Series Manual - Page 4
... between floor and bottom
Reversing Sensor
Safety
of your opener. Safety Reversing Sensor Additional materials may find it helpful to refer back to your garage door. Torsion Spring
Extension
Spring OR
Motor Unit
--- --- -- Motor Unit
Header Wall
ONE-PIECE DOOR WITH TRACK
Wallmounted Door Control
Access Door
Access Door
Safety
Reversing Sensor
Gap between floor and bottom...
3850 Elite Series Manual - Page 5
...SLmCaDrtMCootniotrnolDPeatencetli®ng Door Control Console
SECURITY✚® 3-Button Remote Control
Models 3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY...Carriage Bolt 1/4"-20x1/2" (2) Wing Nut 1/4"-20 (2)
5 Carton Inventory
Your garage door opener is packaged in the foam. Hardware for installation is missing, carefully check the packing material....
3850 Elite Series Manual - Page 6
...ASSEMBLY STEP 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 end. Do...the nut ring against the trolley (Figure 1). To avoid SERIOUS damage to door opener. • Position belt over belt pulley. This extends the spring for optimum belt tension.
3850 Elite Series Manual - Page 7
... reverse on the floor.
13. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to the installation section. NEVER connect garage door opener to power source until instructed to garage door control.
11. Upon completion of the door.
10. ASSEMBLY STEP 3 Attach the Belt Cap Retainer
• Position the belt cap retainer over the motor...
3850 Elite Series Manual - Page 12
...Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to structural supports before installing the opener. Drill 3/16" pilot holes in...door (or in the structural supports. 4. Hanging brackets should be angled (Figure 1) to the hanging brackets with rail grease. Check to opener at this time. NOTE: DO NOT connect power...
3850 Elite Series Manual - Page 13
... to operate the same garage door opener, it is connected and properly aligned. The trolley will travel . • ALWAYS keep garage door in sight until the sensor beam is recommended to avoid cracking plastic housing.
To prevent possible SERIOUS INJURY or DEATH from electrocution: • Be sure power is not connected BEFORE installing door
control. • Connect...
3850 Elite Series Manual - Page 14
... of lens. INSTALLATION STEP 7 Install the EverCharge® Standby Power System (optional)
• Make sure motor unit is unplugged. • Using a Phillips head screwdriver, remove the battery ... battery or working around the battery compartment. 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...
3850 Elite Series Manual - Page 15
....
To prevent possible SERIOUS INJURY or DEATH from a falling garage door: • If possible, use an extension cord, 2-wire adapter, or change plug in ANY way to the screw on the brass terminal; Be sure the opener is required by your garage door opener has a grounding type plug with an overhand knot.
PERMANENT WIRING CONNECTION
Ground Tab Green...
3850 Elite Series Manual - Page 16
... door from a closing garage door: • Correctly connect and align the safety reversing sensor. above garage floor. Be sure power is necessary to mount the units on the left or right of the door ... eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor.
If it is not connected to the receiving...
3850 Elite Series Manual - Page 17
... ways, as shown.
INSTALLING THE BRACKETS
Be sure power to the opener is recommended. It should lie flush, with lag screws (not provided).
• If using extension brackets or wood blocks, adjust right and left assemblies at each side of each other across the garage door, with concrete anchors as follows. They may be...
3850 Elite Series Manual - Page 18
... SENSORS
• Plug in tab with... • Check alignment. • Check for : • Electric power to the opener. • A short in place.
• Loosen the receiving eye wing nut and...from each other across the door. Figure 6
Bell Wire
Finished Ceiling
Connect Wire to the opener quick-connect terminals. To insert or release wire, push in the opener. MOUNTING AND WIRING THE SAFETY...
3850 Elite Series Manual - Page 26
... seconds until the light goes off , press and hold the light button for five seconds.
6. Bulb power is activated. To restore this feature may cause SEVERE INJURY or DEATH.
12. NEVER permit children to pull garage door open door falling rapidly and/or unexpectedly, causing SEVERE INJURY or DEATH.
7. If rope knot becomes untied, you...
3850 Elite Series Manual - Page 29
... to fully charge.
Check with beep indicates the unit is operating on battery power and that the battery charge is low.
• To test the battery is functioning properly, open and close the garage door.
• Re-connect the motor unit power cord back into the electrical outlet.
• Verify that the green LED is...
3850 Elite Series Manual - Page 31
... Step 1, Program the Travel Limits. Having a Problem (Troubleshooting)
NOTE: Always unplug battery prior to Operation section; 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...
3850 Elite Series Manual - Page 33
... CHARGING
Meaning: This message will appear when the 'learn' button has been pressed a second time on the door control or anytime on battery power with full charge. Meaning: This message will blink one second. Meaning: Opener is disconnected.
Smart Control Panel ® Messages
The following messages are contained within the Smart Control Panel...
3850 Elite Series Manual - Page 38
... : Includes visor clip. Tells you if your home!
Wireless Door Control: Push bar, light feature and auxiliary button. ACCESSORIES
1702LM
Outside Quick Release:
Required for a garage with model 3850 only. Enables homeowner to protect LiftMaster® garage door openers against damage from car, bedside, or anywhere in the garage.
Laser Park Assist: Laser enables homeowners to the...
3850 Elite Series Manual - Page 40
...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. UNDER NO CIRCUMSTANCES SHALL SELLER BE...LIFETIME MOTOR AND BELT LIMITED WARRANTY ONE YEAR LIMITED WARRANTY FOR EVERCHARGE® STANDBY POWER BATTERY
The Chamberlain Group, Inc. ("Seller") warrants to our service center for the...
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