Chamberlain LiftMaster 3280 1/2HP Owner'S Manual Download Page 1

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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com

GARAGE DOOR OPENER

Model 3280 1/2HP

3280-267 1/2HP

For Residential Use Only

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 Protector System

is connected and

properly aligned.

■

Periodic checks of the opener are required to ensure safe operation.

■

The model number label is located on the front panel of your opener.

Summary of Contents for LiftMaster 3280 1/2HP

Page 1: ...y 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 Protector System is co...

Page 2: ...opener 28 Having a problem 29 Diagnostic chart 30 Programming 31 32 To add or reprogram a hand held remote control 31 To erase all codes 31 3 Button remotes 31 To add reprogram or change a Keyless Ent...

Page 3: ...Preparing your garage door Before you begin Disable locks Remove any ropes connected to garage door Complete the following test to make sure your garage door is balanced and is not sticking or binding...

Page 4: ...of door must not exceed 1 4 6 mm Extension Spring Torsion Spring Access Door OR Wall mounted Door Control Motor Unit FINISHED CEILING Support bracket fastening hardware is required See page 12 Vertic...

Page 5: ...URITY 3 Button Remote Control Multi Function Door Control Panel LOCK LIGHT The Protector System 2 Safety Reversing Sensors 1 Sending Eye and 1 Receiving Eye with 2 Conductor White White Black Bell Wir...

Page 6: ...nd thread the spring trolley nut on the threaded shaft until it is finger tight against the trolley Figure 1 Do not use any tools Insert a screwdriver tip into one of the nut ring slots and brace it f...

Page 7: ...er mechanisms 9 Install wall mounted garage door control within sight of the garage door out of reach of children at minimum height of 5 feet 1 5 m away from ALLl moving parts of the door 10 Place ent...

Page 8: ...the top edge of the door NOTE If the total number of inches exceeds the height available in your garage use the maximum height possible or refer to page 9 for ceiling installation To prevent possible...

Page 9: ...age Door Header Wall Garage Door UP CEILING MOUNT ONLY Wall Mounting Holes Optional Wall Mounting Holes The nail hole is for positioning only You must use lag screws to mount the header bracket UP CEI...

Page 10: ...you ll need help Have someone hold the opener securely on a temporary support to allow the rail to clear the spring Position the rail bracket against the header bracket Align the bracket holes and joi...

Page 11: ...enient for setting an ideal door to rail distance Remove foam packaging Raise the opener onto a stepladder You will need help at this point if the ladder is not tall enough Open the door all the way a...

Page 12: ...s not centered above the door 7 Remove the 2x4 Operate the door manually If the door hits the rail raise the header bracket 8 Grease the top and underside of the rail surface where the trolley slides...

Page 13: ...protrude above wall surface Position bottom of door control on screw head and slide down to secure Adjust screw for snug fit Install top screw with care to avoid cracking plastic housing Do not overt...

Page 14: ...the release arm of the outer trolley Adjust rope length so the handle is 6 feet 1 83 m above the floor Ensure that the rope and handle clear the tops of all vehicles to avoid entanglement Secure with...

Page 15: ...g cord Connect the black line wire to the screw on the brass terminal the white neutral wire to the screw on the silver terminal and the ground wire to the green ground screw The opener must be ground...

Page 16: ...15 cm above the floor Either can be installed on the left or right of the door as long as the sun never shines directly into the receiving eye lens The mounting brackets are designed to clip onto the...

Page 17: ...p hugging the back edge of the track as shown in Figure 1 If your door track will not support the bracket securely wall installation is recommended Wall installation Figure 2 3 Place the bracket again...

Page 18: ...ted alignment is required Loosen the sending eye wing nut and readjust aiming directly at the receiving eye Lock in place Loosen the receiving eye wing nut and adjust sensor until it receives the send...

Page 19: ...epending on your door s construction Metal or light weight doors using a vertical angle iron brace between the door panel support and the door bracket Drill 3 16 fastening holes Secure the door bracke...

Page 20: ...INUM STEEL DOORS WITH GLASS PANEL ETC NOT PROVIDED ONE PIECE DOORS Please read and comply with the warnings and reinforcement instructions on the previous page They apply to one piece doors also Cente...

Page 21: ...re 3 Hole alignment alternative If holes in curved arm are above holes in straight arm disconnect straight arm Cut about 6 15 cm from the solid end Reconnect to trolley with cut end down as shown Brin...

Page 22: ...hers 5 16 Ring Fastener Straight Arm Bolts 5 16 18x7 8 Door Bracket Clevis Pin 5 16 x1 1 4 Curved Door Arm Press the Door Control push button The trolley will travel to the fully closed position Manua...

Page 23: ...e as explained in Adjustment Step 2 If the door does not close completely Increase down travel Turn the down limit adjustment screw counterclockwise One turn equals 2 5 cm of travel If door still won...

Page 24: ...ntrol clockwise Make small adjustments until the door completes a close cycle After each adjustment run the opener through a complete travel cycle Do not increase the force beyond the minimum amount r...

Page 25: ...bstruction and run the opener through 3 or 4 complete travel cycles to test adjustment If the unit continues to fail the Safety Reverse Test call for a trained door systems technician IMPORTANT SAFETY...

Page 26: ...ure on the Motion Detecting Control Console is activated Bulb size is A19 Bulb power is 100 watts maximum Security light feature Lights will also turn on when someone walks through the open garage doo...

Page 27: ...1 1 2 2 1 2 or 3 1 2 minutes as follows Press and hold the Lock button until the light blinks about 10 seconds A single blink indicates that the timer is reset to 1 1 2 minutes Repeat the procedure an...

Page 28: ...peration MAINTENANCE SCHEDULE Once a Month Manually operate door If it is unbalanced or binding call a trained door systems technician Check to be sure door opens and closes fully Adjust limits and or...

Page 29: ...test after adjustments to force or travel limits The need for occasional adjustment for the force and limit settings is normal Weather conditions in particular can affect door travel Refer to Adjustme...

Page 30: ...ontrol wires from motor unit Momentarily short across red and white terminals with jumper wire If motor unit activates replace door control wires Symptom Sending indicator light glows steadily receivi...

Page 31: ...elease the learn button on the motor unit The learn indicator light will glow steadily for 30 seconds 2 Within 30 seconds press and hold the button on the hand held remote that you wish to operate you...

Page 32: ...after it has expired To set a temporary PIN 1 Press the four buttons for your personal entry PIN not the last temporary PIN then press and hold the button The opener light will blink three times Relea...

Page 33: ...ON 1 41A5273 1 Multi function door control panel 2 373LM 3 Button remote control 3 10A20 3V2032 Lithium battery 4 29B137 Remote control visor clip 5 41A5047 1 Door bracket w clevis pin fastener 6 41A2...

Page 34: ...ls 6 4A1344 Light socket 7 108D79 Lens 8 30B532 Capacitor 1 2 HP 9 12A373 Capacitor bracket 10 41A3150 Terminal block w screws KEY PART NO NO DESCRIPTION 11 41C4842 Universal replacement motor bracket...

Page 35: ...te or from anywhere in their home with an additional LiftMaster Security remote 395LM 373W Designer Burled Walnut 3 Button Remote Control with Security Includes visor clip 975LM Laser Park Assist Lase...

Page 36: ...are confirmed to be defective and covered by this limited warranty will be repaired or replaced at Seller s sole option at no cost to you and returned pre paid Defective parts will be repaired or repl...

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