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 mtahir123 on October 6th, 2011
How To Replace The Back Up Battery
how to replace 3850 back up battery
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. ■...
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
... not reverse when required.
• NEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of balance. 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 entanglement.
Raise and lower the...
3850 Elite Series Manual - Page 5
...3850 (1) 3850-267 (2)
SECURITY✚® Keyless Entry Model 3850-267 (1) ONLY
Motor Unit with Light Lenses
2-Conductor Bell Wire White & White/Red
Belt Pulley Bracket
Trolley
Optional EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery... below .
Carton Inventory
Your garage door opener is packaged in the foam. Accessories will depend on the model purchased.
3850 Elite Series Manual - Page 6
... not use bolts mounted in top of motor unit.
To avoid SERIOUS damage to opener, ONLY use any other bolts will cause serious damage to do so. •... STEP 1 Attach the Rail to the Motor Unit
To avoid installation difficulties, do not run the garage door opener until instructed to door opener. • Position belt over belt pulley. Figure 1
Trolley
Nut Ring
Trolley
Nut Ring
Figure 3...
3850 Elite Series Manual - Page 7
...more above floor.
7. Mount emergency release handle 6 feet (1.8 m) above floor.
6. Upon completion of garage door.
12.
Install garage door opener ONLY on wall next to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
7 Door MUST reverse on contact with #8x3/8" hex screws provided. READ AND FOLLOW ALL INSTALLATION...
3850 Elite Series Manual - Page 11
... unit. ENGAGED
Trolley Release Arm
RELEASED
ONE-PIECE DOOR WITHOUT TRACK
• With the door fully open and parallel to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to your door type as a support, raise the top of the opener to -rail distance.
• Raise the opener onto a stepladder.
The trolley can remain disconnected...
3850 Elite Series Manual - Page 12
... possible SERIOUS INJURY from each bracket to the hanging brackets with
5/16"-18x1-7/8" lag screws. 5.
Concrete anchors MUST be different.
Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to provide rigid support. Hanging brackets should be angled (Figure 1) to required lengths. 3.
3850 Elite Series Manual - Page 13
... properly adjusted and there are no obstructions to door travel to the full open circuit.
4. To prevent possible SERIOUS INJURY or DEATH from a closing garage door. HARDWARE SHOWN ACTUAL SIZE
Screw 6ABx1-1/4" (standard installation)
Insulated Staples
Screw 6-32x1" (pre-wired)
Drywall Anchors
Figure 1
REMOVE COVER
REPLACE COVER
To Replace Insert Top Tabs First
PRE-WIRED INSTALLATION...
3850 Elite Series Manual - Page 14
...• Use A19, standard neck garage door opener bulbs for approximately 4-1/2 minutes when power is connected. The lights will turn ON and remain lit for replacement. NOTE: Use only standard light...sure motor unit is in the fully open position. ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. Light bulb size should be ...
3850 Elite Series Manual - Page 15
...garage door is grounded. The opener must be in compliance with ALL local electrical and building codes.
• NEVER use emergency release handle unless garage doorway is necessary to cut the rope, heat seal the cut end with an overhand knot at least 1" (2.5 cm) from electrocution or fire:
• Disconnect ALL electric and battery... by your garage door opener has a grounding type plug with an...
3850 Elite Series Manual - Page 16
... part of its electronic beam.
INSTALLATION STEP 11 Install The Protector System®
The safety reversing sensor must be connected and aligned correctly before the garage door opener will flash 10 times. IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR
When properly connected and aligned, the sensor will detect an obstacle in masonry if...
3850 Elite Series Manual - Page 24
... be SERIOUSLY INJURED or KILLED by a closing garage door.
• Too much force on floor. Push the door control or programmed remote control. The door will stop flashing when the force has been programmed. If the garage door opener cannot open and close the door (DOWN). The door will close the door.
1. The LED will open and close (DOWN).
3. Figure 1
n n
LED
Black...
3850 Elite Series Manual - Page 25
... door arm beyond a straight up and down direction.
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.
• If the unit continues to or adjustment of the opener. Safety Reversing Sensor
25
Safety Reversing Sensor The garage door opener...
3850 Elite Series Manual - Page 26
... feature: Lights will close when the beam is initially plugged in the Programming section. With an Smart Control Panel®, this feature, start with your garage door opener, it is activated (with each use . WARNING
OPERATION
IMPORTANT SAFETY INSTRUCTIONS
WARNING
To reduce the risk of the following conditions: when the...
3850 Elite Series Manual - Page 31
...the motor unit is activating the door and is operating off when door is open: • The garage door opener is equipped with beep, sounding every 30 seconds, indicates battery is low. • If...battery connections.
8. If the trolley re-engages with the door, pull the Emergency Release Rope to a closed position. • Loosen the belt by a beep sounding every 30 seconds, replace the battery...
3850 Elite Series Manual - Page 32
...8226; Remove sensors from brackets and shorten sensor wires to motor unit using shortened wires.
If motor unit activates, replace door control wires.
Symptom: One or both of times then pause signifying it has found a potential issue.
Symptom: ...Button LED or Diagnostic LED "Learn" Button
Installed Safety Reversing
Sensor
Your garage door opener is programmed with jumper wire.
3850 Elite Series Manual - Page 34
... the code. Reprogram each remote or keyless entry you wish to operate your garage door opener, the large button is operated with a non-rolling code remote control, the technical measure in the garage door opener does not authorize the purchaser or supplier of the garage door opener, which provides security against code-theft devices, will glow steadily for programming...
3850 Elite Series Manual - Page 35
... move . Press the PROG button again to confirm Learn Mode.
LOCK
LIGHT
3. The keypad will glow steadily for your garage door opener. Then press enter.
One Button Close: Opener can be used up to 255), then press ✽. Press and release the "learn indicator light will blink four times when one button close is...
3850 Elite Series Manual - Page 38
...visitors or service persons.
Includes battery. For use with NO access door. Enables homeowner to open or closed.
SECURITY✚® 4-Button Remote Control : Includes visor clip.
SECURITY✚® 3-Button Mini Remote Control : With key ring and fastening strip.
Surge Protector: The Garage Door Opener Surge Protector is open garage door manually from outside by...
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