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I have a linear ld050 garage door opener and when I hook upo the senseor beam wires only one of them will work at a time

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Posted on Jan 02, 2017

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myob247
  • 1342 Answers

SOURCE: garage door remote won't open the garage door

The little button with a padlock on the wall control is a "vacation" lockout feature that disables the remotes. There should be a small LED on the wall control that is always on steady. When the padlock button is pressed and released the LED should be constantly blinking (indicating the vacation lockout mode is active) and your remotes should be disabled. The wall control will still operate the door. Pushing the padlock button again should make the LED stop blinking and restore the door to normal operation.

Posted on Jun 19, 2008

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SOURCE: Garage Door Opener Light does not come on when it is supposed to

Great call Marty! I had noticed the amber LED above the learn button was blinking with one pulse, which the troubleshooting guide noted as being a problem with the sensors. Finding that one tiny paragraph in the manual and following the instructions of holding the wall-control light button in for 10 seconds reprogrammed it and the functionality is returned. Thanks!

Posted on Jan 16, 2009

cesar_quant
  • 61 Answers

SOURCE: basic wiring for craftman garage door opener

from left to right..
1. red. to wall button
2. white . common to wall button and white wires of sensor.
3. black. white with black strip of sensors

Posted on Mar 15, 2009

  • 95 Answers

SOURCE: garage door opener does not work correctly

Make sure the door springs on the door are ok.Unhook the opener from the track by pulling the red handle rope on the track,make sure the door moves up and down freely.There is a up-force adjustment on the end of the opener that the small wires run to,you will see 2 slotted adjuster screws,find the one labeled up force,turn it clockwise a little bit(1/16th of a turn).Also there is a plastic gear inside the case that gets dry,unplug the opener,remove the 8 screws that hold the case on and lube it with a lithium grease,see if it is worn badly while you have the case off.

Posted on Aug 12, 2009

  • 1 Answer

SOURCE: Wiring diagram for garage door opener

Can you hook up sensors to an older craftsman garage door that never had them?

Posted on Sep 02, 2010

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Why would a Craftsman model 139.53985DM garage door opener not open when it is cold outside?


Safety light issue. Blocked beam. Misaligned beam. Or broken wire.

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Linear garage door opens and closes when close to unit about 10 '


when the door stops moving when going down, pull the emergency release handle on the door and then push the door closed by hand. Once it's closed push the emergency handle back so it engages the chain. Open the door and close it a few times to make sure it closes all the way with the motor.

Oct 01, 2014 | Linear Corporation Linear Garage Door...

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My linear garage door opener will work now and than ? on remotes but works fine with hard wired remotes ?


how old are the batteries in the remotes. Hard wired remotes usually don't have a wire length limit.

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How to get my garage door to open all the way?


Three blinking lights & door won't close by Candi
(Winston-Salem, NC)
Garage door will not open and close with remotes. Three blinking lights occur when we try to close door. What does this mean? It is a Linear unit.

I will assume you mean that your garage door will open with your remote but will not close. It should close if you press and hold the wall control button until the door is fully closed.

If that is the case, the 3 blinking lights indicate that your garage door's infrared safety beams are not properly aligned.

1) Check that the operator has power. The green lights on the sender and receiver should be lit.

2) If the receiver's green light is on, but the red light is off, the receiver has power but is not detecting the infrared beam from the sender. The red light might flash when the beam is partially detected. This can be caused by
mis-alignment or something blocking the beam.

Adjust the safety beam sender and receiver while watching the receiver's red light (stay out of the beam while aligning it). When the red light stays on, the beam is aligned and your garage door should operate normally.

http://www.linearcorp.com/pdf/manuals/LCO75.pdf

NOTE: If the receiver's red light remains off, check for:

1) Dirt on the receiver's lens,

2) Sunlight shining into the receiver's lens,

3) A short in the safety beam wiring (from staples or at the operator terminals).

Jun 15, 2014 | liftmaster Garage Door 1/2 Hp

2 Answers

The light on the Garage door blinks but doesn't stay on.


Three blinking lights & door won't close by Candi
(Winston-Salem, NC)
Garage door will not open and close with remotes. Three blinking lights occur when we try to close door. What does this mean? It is a Linear unit.
I will assume you mean that your garage door will open with your remote but will not close. It should close if you press and hold the wall control button until the door is fully closed.
If that is the case, the 3 blinking lights indicate that your garage door's infrared safety beams are not properly aligned.
1) Check that the operator has power. The green lights on the sender and receiver should be lit.
2) If the receiver's green light is on, but the red light is off, the receiver has power but is not detecting the infrared beam from the sender. The red light might flash when the beam is partially detected. This can be caused by
mis-alignment or something blocking the beam.
Adjust the safety beam sender and receiver while watching the receiver's red light (stay out of the beam while aligning it). When the red light stays on, the beam is aligned and your garage door should operate normally.
http://www.linearcorp.com/pdf/manuals/LCO75.pdf
NOTE: If the receiver's red light remains off, check for:
1) Dirt on the receiver's lens,
2) Sunlight shining into the receiver's lens,
3) A short in the safety beam wiring (from staples or at the operator terminals).

Dec 02, 2013 | liftmaster Garage Door 1/2 Hp

3 Answers

Garage door light blinks but doesn't stay on


Three blinking lights & door won't close by Candi
(Winston-Salem, NC)
Garage door will not open and close with remotes. Three blinking lights occur when we try to close door. What does this mean? It is a Linear unit.

I will assume you mean that your garage door will open with your remote but will not close. It should close if you press and hold the wall control button until the door is fully closed.

If that is the case, the 3 blinking lights indicate that your garage door's infrared safety beams are not properly aligned.

1) Check that the operator has power. The green lights on the sender and receiver should be lit.

2) If the receiver's green light is on, but the red light is off, the receiver has power but is not detecting the infrared beam from the sender. The red light might flash when the beam is partially detected. This can be caused by
mis-alignment or something blocking the beam.

Adjust the safety beam sender and receiver while watching the receiver's red light (stay out of the beam while aligning it). When the red light stays on, the beam is aligned and your garage door should operate normally.

http://www.linearcorp.com/pdf/manuals/LCO75.pdf

NOTE: If the receiver's red light remains off, check for:

1) Dirt on the receiver's lens,

2) Sunlight shining into the receiver's lens,

3) A short in the safety beam wiring (from staples or at the operator terminals).
http://www.linearcorp.com/pdf/manuals/LCO75.pdf

Dec 02, 2013 | liftmaster Garage Door 1/2 Hp

3 Answers

My garage door opener reaches the laser beam and goes back up


Hi,
Have checked to make shur nothing on the Door is sticking out into the path of the beam. Most door I know of are set so that anythig breaking the beam, while the door is in motion, will send it back up. the beam dosnt stop being looked at till the doors been all the way closed for a second or two.

You might want to look at the part of the door that reaches the laser just before it goes back up, it dosent take much to break the beam, a piece of string could do it.

Hope this Helps
Gem

Jul 02, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Garage Door Opener Light does not come on when it is supposed to


Great call Marty! I had noticed the amber LED above the learn button was blinking with one pulse, which the troubleshooting guide noted as being a problem with the sensors. Finding that one tiny paragraph in the manual and following the instructions of holding the wall-control light button in for 10 seconds reprogrammed it and the functionality is returned. Thanks!

Jan 04, 2009 | Sears Craftsman LiftMaster Chamberlain...

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