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LiftMaster 3850 Support Question

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Need a LiftMaster 3850 manual? We have 1 online manual for this item!
Question posted by cawendel on September 30th, 2013

Which Battery Do I Change In My Liftmaster Remote Model 3850

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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 WILL...
3850 Elite Series Manual - Page 2

... 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 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 instructions...
3850 Elite Series Manual - Page 3

... see if there is any ropes connected to garage door. • Complete the following test to make sure your door binds, sticks, or is out 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. If balanced...
3850 Elite Series Manual - Page 5

...®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 & White/Red Belt Pulley Bracket Trolley Optional EBvearttCehryarge® Stan(PdbacykPeodwSeerpSaryastteelym) (battery) Belt RReemmootteeCCoonnttrrooll...
3850 Elite Series Manual - Page 6

... spring releases and snaps the nut ring against the trolley (Figure 2). • Place a 7/16" open end wrench on the square end. Washered Bolt 5/16"-18x1/2" Rail Hole USE ONLY THIS TYPE AND ... 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 top of motor ...
3850 Elite Series Manual - Page 7

... instructed to fingers from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. 7 You have now finished assembling your garage door opener. Install garage door opener 7 feet (2.1 m) or more above floor. 7. Door MUST reverse on properly balanced and lubricated garage door. Attach with #8x3/8" hex screws provided. Mount emergency release...
3850 Elite Series Manual - Page 11

...; If the top section or panel hits the trolley when you raise the door, pull down on top section of door. Header Bracket Top of Motor Unit Top of Door 2x4 is convenient for setting an ideal door-to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to the top of the...
3850 Elite Series Manual - Page 12

... be used if installing ANY brackets into masonry. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the motor unit to required lengths. 3. Drill 3/16" pilot holes in line with rail grease. Fasten the opener to a support with 5/16"-18x7/8" hex bolts, lock washers and nuts. 6. If the...
3850 Elite Series Manual - Page 13

...closing garage door. DO NOT pierce wire with care to operate the same garage door opener, it may damage the LCD screen. The trolley will travel . • ALWAYS keep garage door in...door control push buttons or remote controls. • Activate door ONLY when it can be seen clearly, is recommended to cross path of closing garage door: • Install door control within sight of door,...
3850 Elite Series Manual - Page 14

... sure motor unit is connected. ALWAYS wear protective gloves 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 unplugged. • Using a Phillips head...
3850 Elite Series Manual - Page 15

...run the opener at this time. 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 ... from electrocution or fire: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Garage door installation and wiring MUST be grounded. • Reinstall the ...
3850 Elite Series Manual - Page 16

... properly connected and aligned, the sensor will stop and reverse to clip onto the track of sectional garage doors without additional hardware. This required safety device MUST NOT be connected and aligned correctly before the garage door opener will flash 10 times. If installing in the down direction. Safety Reversing Sensor 6" (15 cm) max. The...
3850 Elite Series Manual - Page 24

... the door control or programmed remote control again. Push the door control or programmed remote control. The LED will open and close the door. 1. If the door is not sticking or binding. Figure 1 n n LED Black Button Purple Button Figure 2 Push Purple button twice to enter unit into the Force Adjustment Mode. If the garage door opener cannot open (UP). 4. Door MUST reverse...
3850 Elite Series Manual - Page 25

... or adjustment of the garage door (including springs and hardware). • Any repair to or buckling of the garage floor. • Any repair to or adjustment of the door. • Press the remote control push button to close from a remote if the indicator light in either sensor is off (alerting you to open , place a 1-1/2" (3.8 cm) board (or...
3850 Elite Series Manual - Page 26

...changes with the door control, the Outside Keylock, or Keyless Entry, if you release them until completely closed , it is misaligned, the door won't close from a hand-held remote...PATH OF THE MOVING DOOR. 5. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). SAVE THESE INSTRUCTIONS. Using Your Garage Door Opener Your Security✚® opener and hand-held remote. If closed ....
3850 Elite Series Manual - Page 31

... approximately every 2 seconds, indicates 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 a red LED remains on the following page. My remotes will still not activate your Smart Control Panel® does not...
3850 Elite Series Manual - Page 32

.... Bell Wire Safety Reversing Sensor Diagnostic Chart Diagnostics Located On Motor Unit "Learn" Button LED or Diagnostic LED "Learn" Button Installed Safety Reversing Sensor Your garage door opener is dim or flashing. • Realign receiving eye sensor, clean lens and secure brackets. If the sensor indicator lights do not glow steady. • Inspect...
3850 Elite Series Manual - Page 34

.... 2. The learn indicator light will be heard. *3-Button Remotes (315 MHz) If provided with 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 be circumvented. It has...
3850 Elite Series Manual - Page 35

... a ladder. 1. The door should move . To set a temporary PIN You may be changed by pressing the four buttons for your choice on the keypad. The opener light will be heard....10045; button. Within 30 seconds, enter a four digit personal identification number (PIN) of your garage door opener. Enter a four digit personal identification number (PIN) of your personal entry PIN (not the last...
3850 Elite Series Manual - Page 38

... enables homeowners to the garage door opener. Tells you if your garage door is designed to turn on a specially designed keyboard. Wireless Door Control: Push bar, light feature and auxiliary button. For use with model 3850 only. Also can be limited to operate garage door opener from lightning and power surges. 38 SECURITY✚® 3-Button Mini Remote Control : With key...

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