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

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Sears garage opener opens back up when half way down

When closing the door it will get half way down then open back up. There's nothing in the sensors way because they don't blink. The opener too makes a slightly louder noise then the one next to it.

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Increase down force, especially if you are in a cold climate. turn to increase down force a little. test door to see if it reverses upon hitting something w/o too much force.

Posted on Jan 15, 2009

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I have a Craftsman 1/2 HP garage door opener, the left sensor is orange and the right sensor is green. the problem is that when i try to open the door, it only opens about a half foot and stays there. i...


Nothing wrong with the sensors and they only work when the door is closing anyway. Sounds like you may have a broken door spring or a bad drive gear. The drive gear is white nylon and is in front of the motor. It will be obvious if it is going bad.

Dec 14, 2010 | Sears Craftsman LiftMaster Chamberlain...

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My garage door opener from sears will not close the door from the outside. i have to go back in the house, close it with the button on the wall, then go back out. It does, however open the door when I...


If when you try to close the door with the remote it starts down and then the main light flashes 10 times and the door reverses to the open position it is a door sensor problem. Each of the sensors has a small light that should be lit and not flickering. Tweak the sensors a bit. If you cannot get both lights to come on you have bad sensors.

Sep 29, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Door closing half way then pulling back up


Check your door sensors. Most likely one has been bumped and they are not pointed at one another. Tweak them until the small light on each one is lit steady and not blinking.

May 31, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My garage door won't close. I push the remote and


If your springs were sprung it would not be that easy to open.The reason it crashes down is because they have the door balanced good for the door opener.Check on the door opener itself and see where the reset button is.Maybe something was obstructing to not let it open..Look for the reset and that should get you going on the door opening and closing.Just going to have to figure it out why it did that..

Mar 30, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door closing


HAVE YOU ADJUSTED THE SENSITIVITY??

ALSO SPRAY THE SPRING WITH A LITTLE WD-40 SOMETIMES THEY BIND AS THE DOOR CLOSES.

Mar 29, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door closes and then automatically opens half way


ADJUST THE DOWN LIMIT IT THINKS THERE IS AN OBSTRUCTION AND IS REVERSING LIKE IT SHOULD.

TURN THE LIMIT ABOUT 1/4 TURN AT A TIME.

HOPE THIS HELPS

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

1 Answer

Garage door not closing all the way


what brand. you described three sensor lights/ Craftsman/Liftmaster have two, Sounds like saftey beam problem,

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

2 Answers

1/2 hp craftsman garage door opener won't open when cold


I called Sears garage door customer service number due to the same issue. The test is to disengage the opener drive by pulling the emergency disengage handle, then open the door half way manually and then let it go. If it stays there it is a door/track/lub problem; if it drops down and closes its a garage door opener problem. Mine stayed open half way during this test so it was a door/track/lub problem. After using silicone spray on all tracks, rollers, and springs mine has been working great. Good luck.........

Dec 10, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Sears craftsman garage door opener


HOLDING DOWN THE WALL BUTTON OVERRIDES THE SAFETY EYES.
WHEN HOLDING IT DOWN MAKES THE DOOR CLOSE PROPERLY THE PROBLEM IS IN THE SAFETY EYES.

ARE BOTH LEDS ON? - CHECK FOR A LOOSE OR BROKEN WIRE.
ARE THE EYES WIRED CORRECTLY?
ARE THEY AIMED AT EACH OTHER?

Jul 13, 2008 | Sears Craftsman LiftMaster Chamberlain...

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