LiftMaster 3255 3255 Manual

LiftMaster 3255 Manual

LiftMaster 3255 manual table of contents:

  • LiftMaster 3255 | 3255 Manual - Page 1
    The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com ® GARAGE DOOR OPENER Models 3245 1/3 HP 3255 1/2 HP 3255-2 1/2 HP For Residential Use Only Owner's Manual Please read this manual and the enclosed ...
  • LiftMaster 3255 | 3255 Manual - Page 2
    ......21-22 Operation safety instructions ...26 Using your garage door opener...26 Using the wall... door manually ...27 Care of your garage door opener ...28 Having a problem?...29 Diagnostic chart ...... alert you to the possibility of damage to your garage door and/or the garage door opener if you do not...
  • LiftMaster 3255 | 3255 Manual - Page 3
    ... locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid entanglement. To prevent damage ... opener: • ALWAYS disable locks BEFORE installing and operating the opener. • ONLY operate garage door opener at 120V, 60 Hz to avoid malfunction and ...
  • LiftMaster 3255 | 3255 Manual - Page 4
    ... 12. Slack in chain tension is normal when garage door is closed. SECTIONAL DOOR INSTALLATION Horizontal and ... 12. Motor Unit Slack in chain tension is normal when garage door is closed. ONE-PIECE DOOR... Door Control Access Door Slack in chain tension is normal when garage door is closed. Access ...
  • LiftMaster 3255 | 3255 Manual - Page 5
    Carton Inventory Your garage door opener is packaged in two cartons which contain the motor unit and all parts ... in the foam. Hardware for installation is also listed below. 3245 (1), 3255 (1), 3255-2 (2) Sprocket Cover LOCK LIGHT Multi-Function Door Control Panel SECURITY ® Single-Button Remote...
  • LiftMaster 3255 | 3255 Manual - Page 6
    ... to the Motor Unit To avoid installation difficulties, do not run the garage door opener until instructed to do so. • Remove the two washered .... Cut tape from rail, chain and styrofoam. • REMOVE STYROFOAM. To avoid SERIOUS damage to garage door opener, use ONLY ...
  • LiftMaster 3255 | 3255 Manual - Page 7
    ... FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS. 2. Install garage door opener only on properly balanced and lubricated garage door. An improperly ... BEFORE installing opener to avoid entanglement. 5. Install garage door opener 7 feet (2.13 m) or more above floor. 6. Mount...
  • LiftMaster 3255 | 3255 Manual - Page 8
    ... bracket MUST be RIGIDLY fastened to structural support on header wall or ceiling, otherwise garage door might not reverse when required. DO ... door might not reverse when required. Installation procedures vary according to garage door types. Follow the instructions which apply to your door. 1. Close ...
  • LiftMaster 3255 | 3255 Manual - Page 9
    ... either to the wall above the garage door, or to the ceiling. Follow the instructions which will work best for... Centerline of Garage Door Lag Screw 5/16"-9x1-5/8" CEILING HEADER BRACKET INSTALLATION ... Ceiling - Header Bracket Vertical Centerline of Garage Door UP The nail hole is for positioning ...
  • LiftMaster 3255 | 3255 Manual - Page 10
    INSTALLATION STEP 3 Attach the Rail to the Header Bracket • Position the opener on the garage floor below the header bracket. Use packing ... Rail Ring Fastener Header Bracket Clevis Pin 5/16"x2-3/4" Chain Pulley Bracket Rail Garage Door Temporary Support HARDWARE SHOWN ACTUAL SIZE Clevis Pin ...
  • LiftMaster 3255 | 3255 Manual - Page 11
    .... The trolley can remain disconnected until Installation Step 12 is completed. To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door. Rail Door 2x4 is used to determine the correct mounting ...
  • LiftMaster 3255 | 3255 Manual - Page 12
    ... a sturdy metal bracket to structural supports before installing the opener. This bracket and fastening ...). 7. Remove the 2x4. Operate the door manually. If the door hits the rail, raise the header .... To avoid possible SERIOUS INJURY from a falling garage door opener, fasten it SECURELY to structural ...
  • LiftMaster 3255 | 3255 Manual - Page 13
    ... control, and manual release/safety reverse test label in a prominent location on inside of garage door. NOTE: DO NOT connect the power and operate the opener at this ...To prevent possible SERIOUS INJURY or DEATH from a closing garage door: • Install door control within sight of ...
  • LiftMaster 3255 | 3255 Manual - Page 14
    ...• Use A19, standard neck garage door opener bulbs for replacement. NOTE: Use only standard... prevent possible SERIOUS INJURY or DEATH from a falling garage door: • If possible, use emergency release... ONLY when garage door is CLOSED. Weak or broken springs or unbalanced door could result in an open ...
  • LiftMaster 3255 | 3255 Manual - Page 15
    ... this time. To reduce the risk of electric shock, your garage door opener has a grounding type plug with a third ... the opener, and disconnect power to circuit BEFORE removing cover to establish permanent wiring connection. • Garage door installation and wiring MUST be in compliance with ALL local ...
  • LiftMaster 3255 | 3255 Manual - Page 16
    ... must be connected and aligned correctly before the garage door opener will move in the down direction. IMPORTANT INFORMATION ABOUT ... sectional garage doors without additional hardware. Be sure power is not connected to the garage door opener BEFORE installing the safety reversing sensor. To prevent ...
  • LiftMaster 3255 | 3255 Manual - Page 17
    INSTALLING THE BRACKETS Be sure power to the opener is disconnected. Install and align the brackets so the sensors will face each other across the garage door, with the beam no higher than ...installed in one of three ways, as follows. Garage door track installation (preferred): • Slip the curved ...
  • LiftMaster 3255 | 3255 Manual - Page 18
    ... white/black wires sufficiently to connect to the opener quick-connect terminals. Twist like ... glow steadily after installation, check for: • Electric power to the opener. • A short in the white or white... will reverse. If the door is already open, it will not close. The opener lights will blink 10...
  • LiftMaster 3255 | 3255 Manual - Page 19
    ... iron are used to create a U-shaped support. The best solution is to check with your garage door manufacturer for an opener installation door reinforcement kit. NOTE: Many ... of Garage Door Vertical Reinforcement Vertical Centerline of Garage Door Bolt 5/16"-18x2" UP UP Door Bracket ...
  • LiftMaster 3255 | 3255 Manual - Page 20
    ... Screw 1/4"-14x5/8" Header Wall 2x4 Support Finished Ceiling Door Bracket Top of Door (Inside Garage) Top Edge of Door Header Bracket...Bolt 5/16"x2" (Not Provided) Vertical Centerline of Garage Door Door Bracket For a door with no exposed framing, or for the optional installation, use lag screws 5/...
  • LiftMaster 3255 | 3255 Manual - Page 21
    INSTALLATION STEP 12 Connect Door Arm to Trolley Follow instructions which apply to your door type as illustrated below and on the following page. SECTIONAL DOORS ONLY • Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the ...
  • LiftMaster 3255 | 3255 Manual - Page 22
    .... The trolley will travel to the fully open position. - Manually raise the door to the open position (parallel... and/or jerking operation as the door is being opened or closed from the fully open position. Figure 5 Inner... Trolley Correct Angle Door Arm Open Door Door with Backward Slant (Incorrect...
  • LiftMaster 3255 | 3255 Manual - Page 23
    ... opener through a complete travel cycle. • Does the door open and close completely? • Does ... small children) could be SERIOUSLY INJURED or KILLED by a closing garage door. • Incorrect adjustment of garage door travel limits will interfere with proper operation of safety reversal system. • If ...
  • LiftMaster 3255 | 3255 Manual - Page 24
    ... the control clockwise. Make small adjustments until door opens completely. Readjust the UP limit if ...increase force beyond minimum amount required to close garage door. • NEVER use force adjustments to compensate for a binding or sticking garage door. • If one control (force or travel limits) is...
  • LiftMaster 3255 | 3255 Manual - Page 25
    ...place a 1-1/2" (3.8 cm) board (or a 2x4 laid flat) on the floor, centered under the garage door. • Operate ...than an inch (2.5 cm), and the opener lights will flash. The garage door opener will not close...) could be SERIOUSLY INJURED or KILLED by a closing garage door. Safety Reversing Sensor Safety...
  • LiftMaster 3255 | 3255 Manual - Page 26
    ... obstructions. 8. NEVER use handle to pull garage door open or closed. If rope knot becomes untied, you could fall. ... 14. ALWAYS disconnect electric power to garage door opener BEFORE making any repairs or... covers. 15. SAVE THESE INSTRUCTIONS. Using Your Garage Door Opener Your Security✚® ...
  • LiftMaster 3255 | 3255 Manual - Page 27
    ... prevent possible SERIOUS INJURY or DEATH from a falling garage door: • If possible, use emergency ...ONLY when garage door is CLOSED. Weak or broken springs or unbalanced door could result in an open ...handle and lift the door manually. To reconnect the door to the opener, press the door control push ...
  • LiftMaster 3255 | 3255 Manual - Page 28
    ...trained door systems technician. • Check to be sure door opens and closes fully. Adjust limits and/...see page 7). Once a Year • Oil door rollers, bearings and hinges. The opener does not require ...not grease the door tracks. To replace battery, use the visor clip or screwdriver blade to pry open the...
  • LiftMaster 3255 | 3255 Manual - Page 29
    ...unit: The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. • Verify the safety sensors are properly installed,...lights will not turn off when door is open: • The garage door opener is equipped with a security light...
  • LiftMaster 3255 | 3255 Manual - Page 30
    ... Sensors wire open (broken or disconnected). Your garage door opener is programmed with self-diagnostic capabilities. The "Learn" button/diagnostic LED will flash a number of ... with jumper wire. If motor unit activates, replace door control wires. Symptom: Sending indicator light ...
  • LiftMaster 3255 | 3255 Manual - Page 31
    ... a non-rolling code transmitter, the technical measure in the receiver of the garage door opener, which provides security against code-theft devices, will be circumvented. The owner of the copyright in the garage door opener does not authorize the purchaser or supplier of the ...
  • LiftMaster 3255 | 3255 Manual - Page 32
    To Add, Reprogram or Change a Keyless Entry PIN NOTE: Your new Keyless Entry must be programmed to operate your garage door opener. USING THE "LEARN" BUTTON USING THE MULTI-FUNCTION DOOR CONTROL LOCK LIGHT 1. Press and release the "learn" ...
  • LiftMaster 3255 | 3255 Manual - Page 33
    ...-piece rail 10' (3 m) Full chain assembly Rail grease 6 1 2 3 4 5 6 Installation Parts 1 3 LOCK LIGHT 2 4 CEI LIN G...9 10 11 12 12 Multi-function door control panel 1 Button remote control 3V2032 ... bracket with clevis pin and fastener 41A5047 Door bracket with clevis pin and fastener 178B35 ...
  • LiftMaster 3255 | 3255 Manual - Page 34
    ...ASSY. 12 Drive Gear Center Limit Contact (Up) Contact KEY PART NO....HP Capacitor - 1/3 HP Capacitor bracket Terminal block with screws Universal replacement motor and ... assembly and RPM sensor KEY PART NO. NO. 12 13 14 ...NOT SHOWN Motor shaft bearing kit Opener assembly hardware kit (includes screws...
  • LiftMaster 3255 | 3255 Manual - Page 35
    ...garage with NO access door. Enables homeowner to open garage door manually from outside by disengaging... Entry: Enables homeowner to operate garage door opener from outside by entering a password on a specially... visor clip. Surge Protector: The Garage Door Opener Surge Protector is designed to protect...
  • LiftMaster 3255 | 3255 Manual - Page 36
    ...9131 www.liftmaster.com For professional installation, parts and service, contact your local LIFTMASTER/CHAMBERLAIN dealer. Look for him in the Yellow Pages, or call our Service ...-528-9131 LIFTMASTER ONE-YEAR LIMITED WARRANTY FOUR-YEAR MOTOR LIMITED WARRANTY The Chamberlain Group, ...



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LiftMaster 3255 Manual