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

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Garage door only closes half way down - Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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  • Master
  • 3,197 Answers

And then what does it do? Just stop? Reverse?

Posted on Feb 10, 2012

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Posted on Jan 02, 2017

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SOURCE: Sensor lights not working on door opener

If the sensor light or receiver gets kicked, it can be knocked out of alignment. If it's not aligned, it will act as though it is blocked -- in other words it will open, but not close.
I fixed my buddy's opener not long ago -- you should have two parts of the sensor, near the floor at the bottom of the door. One is an infrared light, the other is a receiver. The receiver should have a little LED on it. This glows green when it is receiving a clear signal from the other side. If your's is glowing red when you can see that the path is clear, try adjusting the aim of the infrared light. You should be able to gently move the light from side to side until you see the LED on the receiver glow green.

Posted on Dec 07, 2008

jessee007
  • 310 Answers

SOURCE: door will not close

the eyes are a little bit out of adjustment

Posted on Jan 09, 2008

tlm931
  • 273 Answers

SOURCE: My garage door won't close unless I hold the main button down

your garage door has saftey sensors at the door
these are photo eyes
in the owners manuel that came with the opener
that has pictures in it which would help
the photo eyes need to be clear of debri and aimed at each other with no obstruction
there are leds on each sensor and when aimes properly they should be light if i remember correctly
if you can not get them to light then you may have to replace the sensors

Posted on Oct 27, 2009

  • 3197 Answers

SOURCE: Access Master 1/3 HP garage door does not close, blinks

Most likely your door sensors are out of alignment. Make sure they are pointed directly at one another.

Posted on Apr 12, 2010

blanchettohd
  • 143 Answers

SOURCE: Sears model 139.655000 garage door opener will

This indicates that the nylon gears in the unit have been stripped and need replaced. You can get new ones at searspartsdirect.com. Enter in your model number and a parts list will come up. Thanks BB

Posted on Sep 03, 2010

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1 Answer

I have liftmaster door opener 41a5021-1d. Using the remote door closes only half way. how can I repair this problem?


When the motor stops in the down position, pull the emergency release handle. Push the door fully closed by hand then engage the emergency handle. Open the door with the remote and then close it with the remote to make sure the door closes completely.

Oct 10, 2014 | Building Materials

1 Answer

My garage door will only open half way. It appears to be getting stuck when it is opening.


If you haven't gotten your issue fixed yet... I had the same problem (stopped opening half way when using the remote, went down fine, could lift/close manually fine as well) and this happened on our first cold weather day of the year which was very telling. Anyhow, there are two gauges/dials on your garage door opener unit itself (above, where the light is) which controls how much torque/strength your door uses to open or shut through resistance. I turned mine up some and it now works fine; what likely happened was that the metal tracks or the wood frame condensed in the cold and was providing just enough resistance to stop it when opening - as they have a security device built in to stop if they meet any resistance. Hopefully this helps!

Oct 27, 2012 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Craftsman 1/3 hp garage door opener I bought a new one - my father installed it and the door will open half way - that is it.. then when you go to close it - it closes and then opens half way...


I hate to say this but it sounds like your father did not follow the instructions when he installed the opener. Try following these instructions.

Loosen the chain enough so that you can remove it from the sprocket above the motor unit. With the door closed run the motor until the sprocket turns clockwise and stops. With everything attached replace and tighten the chain. Some adjusting of the up and down limits will probably be required.



Nov 25, 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

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

Sears garage opener opens back up when half way down


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.

Jan 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...

1 Answer

Garage door opener does not work


My Garage door goes down half the first time I'm attempting to close it; then closes completely the second try. What's the problem?

Jul 18, 2008 | Chamberlain Powerdrive PD422D 1/2 HP...

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