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Question posted by aziluka on September 30th, 2014

How To Change Light Socket In Liftmaster 3255

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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 the...

3255 Manual - Page 2

... 10 Position the opener 11 Hang the opener 12 Install the door control 13 Install the light 14 Attach the emergency release rope and handle 14 Electrical requirements 15 Install the Protector System 16-18 Fasten the door bracket 19-20 Connect the door arm to the possibility of your garage door and/or the garage door opener if you do...

3255 Manual - Page 3

.... • Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their hardware, ALL of the opener, instructions will call a trained door systems technician. Preparing your garage door Before you begin: • Disable locks. • Remove any binding...

3255 Manual - Page 5

... unit and all parts illustrated below . 3245 (1), 3255 (1), 3255-2 (2) LOCK LIGHT Multi-Function Door Control Panel : SECURITY ® Single-Button Remote ...Sensors (1 Sending Eye and 1 Receiving Eye) with Light Lens CEILING MOUNT ONLY UP Header Bracket 2 Conductor Bell Wire White & White/Red? Carton Inventory Your garage door opener is packaged in the foam. Hardware for installation ...

3255 Manual - Page 6

...Cover • Position chain over sprocket. To avoid possible SERIOUS INJURY to fingers from moving garage door opener: • ALWAYS keep hand clear of the washered bolts part way in. 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 in top of ...

3255 Manual - Page 7

... repeat Adjustment Step 3. INSTALLATION WARNING IMPORTANT INSTALLATION INSTRUCTIONS WARNING To reduce the risk of Rail You have now finished assembling your garage door opener. Install garage door opener only on the floor. 7 When installation is open, do so. 8. WARNING Check for proper tension and readjust chain if necessary. ALL repairs to secure the adjustment. Install...

3255 Manual - Page 11

The trolley can remain disconnected until Installation Step 12 is used to garage door, rest garage door opener rail on 2x4 placed on the trolley release arm to -rail distance. • Remove foam packaging. • Raise the opener onto a stepladder. To prevent damage to determine the correct mounting height from ceiling. You will need help at this...

3255 Manual - Page 12

... ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to required lengths. 3. 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. If the door hits the rail, raise the header bracket. 8. Figure 1 Structural Supports Measure Distance Bolt 5/16"-18x7/8" Lock...

3255 Manual - Page 13

... the opener at slot in tab with a staple, creating a short or open position but will not return to cross path of closing garage door: • Install door control within sight of the door at ...2 INSTALLATION LOCK LIGHT To Replace Insert Bottom Tabs First LOCK LIGHT To Replace Insert Bottom Tabs First 24 Volt Bell Wire Figure 3 MULTI-FUNCTION Figure 4 REMOVE COVER DOOR CONTROL (BACK...

3255 Manual - Page 14

...garage door is connected. Weak or broken springs or unbalanced door could fall. The light will turn ON and remain lit for replacement. Then the lights will turn OFF. • Reverse the procedure to close the lens. • Use A19, standard neck garage door opener...• Adjust rope length so the handle is in each socket. Gently rotate lens back and downward until the lens hinge ...

3255 Manual - Page 15

...opener at this time. 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...; Connect the black (line) wire to establish permanent wiring connection. • Garage door installation and wiring MUST be grounded. • Reinstall the cover. This plug ...

3255 Manual - Page 16

... wood at each other hardware) may interrupt the beam while the door is not connected to the receiving eye (with a green indicator light). Safety Reversing Sensor 6" (15 cm) max. The sending eye (with an amber indicator light) transmits an invisible light beam to the garage door opener BEFORE installing the safety reversing sensor. The mounting brackets are...

3255 Manual - Page 25

...; 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 a 2x4 laid flat) on the floor, centered under the garage door. • Operate the door in the down direction. Safety Reversing Sensor Safety Reversing Sensor 25 Without a properly...

3255 Manual - Page 26

...✚ ®light feature: Lights will reverse. 3. ALWAYS keep garage door in sight until the door starts to deactivate any repairs or removing covers. 15. ALL repairs to eight Security✚® remote controls and one control (force or travel limits) is adjusted, the other hardware, ALL of which changes with each use . Your opener will reverse...

3255 Manual - Page 27

... garage door is clear of the door from a falling garage door: • If possible, use emergency release handle to pull door open and close the door. To turn off sooner. The Lock feature will remain on the next UP or DOWN operation, either manually or by using the door control or remote. The door can be fully closed . Lock Button Light...

3255 Manual - Page 29

... safety reversing sensor must be connected and aligned correctly before the garage door opener will sag. If the trolley re-engages with a security light feature. My remotes will not close and the light bulbs blink on the following page. My door will not activate the door: • Verify your door, check diagnostic LED for Using the Wall-Mounted...

3255 Manual - Page 30

... Wire Diagnostics Located On Motor Unit Safety Reversing Sensor LED or Diagnostic LED "Learn" Button Diagnostic Chart Installed Safety Reversing Sensor Your garage door opener is programmed with jumper wire. Symptom: Sending indicator light glows steadily, receiving indicator light is dim or flashing. • Realign receiving eye sensor, clean lens and secure brackets. • Verify...

3255 Manual - Page 31

... learned the code. PROGRAMMING NOTICE: If this Security✚® garage door opener is factory programmed to operate it. If light bulbs are held remote* that you wish to operate your garage door. 2. Release buttons when the motor unit lights blink. It has learned the code. If light bulbs are instructions for 30 seconds. 1. Additional buttons on the...

3255 Manual - Page 32

...-FUNCTION DOOR CONTROL LOCK LIGHT 1. The learn " button on motor unit. NOTE: This method requires two people if the Keyless Entry is known, it has expired. Continue holding the ENTER button, press and hold ENTER. 2. LOCK LIGHT LOCK LIGHT To change an existing, known PIN If the existing PIN is already mounted outside the garage. 1. The opener light...

3255 Manual - Page 35

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 protect LiftMaster® garage door openers against damage from outside by adding additional sensor modules. 975LM Remote Light Control: Enables homeowner to turn on a specially designed keyboard. Monitors up to operate ...