Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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My garage door goes up about 6 inches and stops. Just as it stops the lights on the opener go out for a split second and come back on. I released the emergency cable and it does the same the same thing. The door moves freely while released.

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  • LimitedClear Mar 28, 2011

    I found a solution, I increased the opening force. It seems to have fixed the issue so far.

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I would check for a loose connection on the rear of the motor unit and also remove the cover from the motor unit and check the drive gear. It is a white nylon gear just in front of the motor.

Posted on Mar 28, 2011

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1 Answer

My Craftsman garage door will not close, only a few inches at a time


have a problem which returns every year when outdoor temperatures drop close to freezing. garage door will open only a few inches, then stops. I can close it and try opening it again... same result. After five or six such attempts it typically will open. Interestingly, when I push the switch button mounted on the interior wall of my garage and keep it pushed, the door will open, until I release the button at which point it stops opening.

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Garage door opens about 4 inches, stops, then goes back down. No flashing lights at all. One sensor light is green, the other is a steady yellow. What's the issue?


something may be obstructing the door, so pull the red emergency release handle and try to pull the door manually.if you cant move it manually, call for professional help

make sure all snow and debris are clear of the area where the door closes

if there are no obstructions, manually set the adjustment controls on the back side of the opener panel. weather can sometimes change the amount of force needed to open/close. adjust the setting with a screwdriver to no more than 260 degrees, about 3/4 of a turn

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How do you connect the home link garage control to your car & garage?


Things You'll Need
  • Remote garage door opener
Suggest Edits
    • 1

      Turn your Chrysler vehicle off and press and hold the two outside buttons on your onboard opener system. Release the buttons once the red indicator light begins flashing. This will erase any previous codes programmed to your system.

    • 2

      Hold your garage door opener remote two inches away from the onboard system.

    • 3

      Press and hold the button you wish to program on your onboard system and the open button on your remote simultaneously. Release the buttons once the indicator light on the onboard system begins flashing.

    • 4

      Press the training button on your Chrysler's system until the light glows solid. If it does not glow solid, continue to the following steps.

    • 5

      Press the "learn" button on your garage door remote, located near the antenna wire on the back or side of the system, and return to your vehicle.

    • 6

      Press the training button on your on board system, hold it for two seconds and release. Repeat the press/hold/release step two more times and your remote will be programmed and ready for use.

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How do you "train" the


Instructions
    • 1 Turn off the engine of the car and press and hold buttons 1 and 3 on the Jeep's transmitter for 20 seconds to erase previous codes. Release them when the display reads "Channels Cleared."
    • 2 Hold your garage-door remote 1 to 3 inches from the Jeep transmitter.
    • 3 Press and hold the open button on your handheld remote and simultaneously press the button you wish to program on the Jeep's transmitter. For example, if you want button 2 to be the one you use to open your garage door, press button 2 while pressing the open button the remote.
    • 4 Release the button once you hear a beep and the display reads "Trained."
    • 5 Press the "smart" button on your garage door motor. This button is usually located on the back or side of the motor near the antenna wire and light lens.
    • 6 Return to your vehicle and press and hold the programmed button in your Jeep for 2 seconds. Release and press and hold the button for another 2 seconds to complete the programming sequence. You will now be able to use the vehicle's transmitter to open your garage door.

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I have two craftsman door openers. They work great with pushbutton on wall, open and close ok. The door opens fine with remotes ( one handheld other homelink in car ) but will not close with remote. It...


If the main light flashes 10 times and the door reverses to the open position it is a door sensor problem. Make sure the lights on the sensors are both on and not flickering. Tweak them if necessary. If you cannot get both lights to come on you have bad sensors or the wiring to them.

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1 Answer

My garage door bucks like a bronco


You have a door problem. The reason the door is reversing to the open position is because when it bucks the safety senses something wrong. Release the door from the opener and operate it by hand. You should find something.

Jun 23, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a sears craftmen garage door and the control switch on the wall light keeps flashing and I need to know how to get it toa solid light and when I press the button to close the door it goes few...


When the door reverses to the open position and the main light flashes 10 times it is a door sensor problem. Usually the sensors get bumped and need to be tweaked so that they are once again pointed at one another. Each sensor has a small light that must be on for them to work. The light on one sensor stays lit all the time and the other sensor light is only on when they are pointed at one another.

The flashing light in your wall control is a separate problem. One of the buttons on the wall control has an icon of a lock. Press and hold it for 3 seconds and release. It should stop flashing.

Jun 15, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a gargae door that goes down only not up. Plus when it goes down it stops at the bottom and retrives 6 inches back up.


Check to make sure that the garage door is balanced. Sounds like the springs need to be adjusted and the travel limits need to be reset.

Dec 30, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

When cold outside, door only opens a few inches


1.Check to see if the door is running correctly. 
  A. Run the door down and pull the emergency release. See if the door will run easily by itself. 

  1. If it runs hard by hand try lubricating the rollers and hinges with silicone spray or some form of lubricant (not WD 40) 

  2. If the door is heavy and falls back to the ground, you probably have a spring issue (either broken or needs more tension) in this case call a professional door repair company in your area.

  B. If the door runs fine then check the up force on your operator (the box that hangs from the ceiling and reads Craftsman). If the light(s) on your operator go from front and/or back, the force adjustment screw is on the back of the operator. If the lights are on the sides of the operator then the force adjustment screw is on the right side (looking from the back of the operator and facing the garage door). Turn the light blue adjustment screw with the up arrow to a higher number.

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Okay...upon further inspection, my left spring has broken in two. Going to call around for some quotes to replace the spring. Thanks for the suggestions.

Jul 21, 2008 | Sears Craftsman LiftMaster Chamberlain...

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