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Question posted by mccauley on August 5th, 2013

How Do You Change Battery In Opener?

how do you change battery in opener?

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Related LiftMaster 3255 Manual Pages

3255 Manual - Page 1

® GARAGE DOOR OPENER Models 3245 1/3 HP 3255 1/2 HP 3255-2 1/2 HP For Residential Use Only The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com 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 NOT CLOSE unless...

3255 Manual - Page 2

... remotes 31 To add, reprogram or change a Keyless Entry PIN 32 Repair Parts 33-34 Rail assembly parts 33 Installation parts 33 Motor unit assembly parts 34 Accessories 35 Repair Parts and Service 36 Warranty 36 INTRODUCTION Safety Symbol and Signal Word Review This garage door opener has been designed and tested to offer...

3255 Manual - Page 3

... are 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 a trained...

3255 Manual - Page 4

... Sensor and bottom of your garage area to see if any of Safety door must not exceed 1/4" (6 mm). SECTIONAL DOOR INSTALLATION Horizontal and vertical reinforcement is closed . Survey your opener. Planning Identify the type and height of Garage Door Extension Spring OR Torsion Spring Wallmounted Door Control Access Door --- --- -- Access Door Safety Reversing Sensor Gap between...

3255 Manual - Page 5

...packing material. Carton Inventory Your garage door opener is packaged in the foam. Trolley One-Piece Rail Curved Door Arm Section Chain Pulley Bracket Door Bracket Safety Sensor Bracket (2) The...contain the motor unit and all parts illustrated below . 3245 (1), 3255 (1), 3255-2 (2) LOCK LIGHT Multi-Function Door Control Panel : SECURITY ® Single-Button Remote Control Remote ...

3255 Manual - Page 6

... 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 in top of motor unit...BOLT Rail Hole Washered Bolt 5/16"-18x1/2" Styrofoam ASSEMBLY STEP 2 Attach the Chain to garage door opener, use ONLY those bolts/fasteners mounted in the top of the washered bolts part way ...

3255 Manual - Page 7

... Mid Length of installation, test safety reversal system. Please read the following warnings before adjusting chain. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to garage door control. 11. Mount emergency release handle 6 feet (1.83 m) above floor. 6. Upon completion of Rail You have now finished assembling your...

3255 Manual - Page 8

... track. • 8" (20 cm) above the door. Open your door. 1. DO NOT install header bracket over drywall. • Concrete anchors MUST be used if mounting header bracket or 2x4 into masonry. • NEVER try to your door to garage door types. Header Wall Unfinished Ceiling 2x4 Vertical Centerline of Garage Door 2x4 OPTIONAL CEILING MOUNT FOR HEADER BRACKET...

3255 Manual - Page 10

Have someone hold the opener securely on the garage floor below the header bracket. Garage Door Ring Fastener Rail Header Bracket Clevis Pin 5/16"x2-3/4" Chain Pulley Bracket Rail Temporary Support HARDWARE SHOWN ACTUAL SIZE Clevis Pin 5/16"x2-3/4" 10 Ring Fastener NOTE: If the door spring is in the way you'll need help. Header...

3255 Manual - Page 11

... than 4" (10 cm) above this point if the ladder is completed. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on the top section of the door beneath the rail. • The top of the door should be level with the top of the motor unit. ENGAGED Trolley Release Arm RELEASED ONE...

3255 Manual - Page 12

... underside of each side of the motor unit to required lengths. 3. Cut both pieces of the garage. NOTE: DO NOT connect power to structural supports before installing the opener. Yours may be different. Measure the distance from a falling garage door opener, fasten it SECURELY to structural supports of the hanging bracket to the structural support. 2.

3255 Manual - Page 13

... location on screw head and slide down to secure. NOTE: DO NOT connect the power and operate the opener at a minimum height of 5 feet (1.5 m) where small children cannot reach, and away from a closing garage door. To prevent possible SERIOUS INJURY or DEATH from end of bell wire. HARDWARE SHOWN ACTUAL SIZE Screw 6ABx1...

3255 Manual - Page 14

... length so the handle is connected. 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 6 feet (1.83 m) above the floor. Weak or broken springs or unbalanced...

3255 Manual - Page 15

... and wiring MUST be grounded. • Reinstall the cover. Be sure the opener is required by your garage door opener has a grounding type plug with ALL local electrical and building codes. • NEVER use an extension cord, 2-wire adapter, or change plug in the top of electric shock, your local code, refer to the screw...

3255 Manual - Page 16

... the safety reversing sensor. Either can be unobstructed. This required safety device MUST NOT be connected and aligned correctly before the garage door opener will flash 10 times. No part of sectional garage doors without additional hardware. INSTALLATION STEP 10 Install The Protector System® The safety reversing sensor must be disabled. • Install the...

3255 Manual - Page 17

...If using extension brackets or wood blocks, adjust right and left assemblies at each other across the garage door, with the beam no higher than 6" (15 cm) above the floor. • Attach ...cm) above the floor. • Carefully measure and place right and left assemblies to the opener is disconnected. Install and align the brackets so the sensors will not support the bracket securely...

3255 Manual - Page 26

... to move. • The Keyless Entry (See Accessories): If provided with your opener with any of which changes with 1-1/2" high (3.8 cm) high object (or a 2x4 laid flat) on when someone walks through the open door falling rapidly and/or unexpectedly. 7. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 3). ALWAYS disconnect electric power to eight Security✚...

3255 Manual - Page 27

...the Light button to 1-1/2, 2-1/2, or 3-1/2 minutes as the Lock feature is activated. The door should be changed to turn off whenever the "Learn" button on or off , press and hold the ... the door control or remote. It will blink twice, resetting the timer to the opener, press the door control push bar. Press again to disengage trolley ONLY when garage door is in an open or ...

3255 Manual - Page 32

.... LOCK LIGHT LOCK LIGHT To change an existing, known PIN If the existing PIN is already mounted outside the garage. 1. If light bulbs are held). Test by pressing the new PIN, then press Enter. One Button Close: Opener can be heard. USING THE "LEARN" BUTTON USING THE MULTI-FUNCTION DOOR CONTROL LOCK LIGHT 1. Then...

3255 Manual - Page 35

... to turn on a specially designed keyboard. Includes battery. SECURITY✚® 3-Button Mini Remote Control: With key ring and fastening strip. Also can be limited to a programmable number of hours or entries. 370LM 378LM Garage Door Monitor: Security for the largest door of your garage door is designed to open or closed. Tells you if your home...