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

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Genie gxl9500 Garage door will not close all the way before coming back up it takes 3 or 4 times to completely shut the door

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Garage Door doesn't close

The Craftsman GDO has a RPM sensor that, if not working correctly, will cause this problem. Either the optical sensor itself is dirty, or more likely, the wheel that is attached to the motor shaft has slipped. This is also a common problem if you have changed the worm drive. The motor shaft has about 3/16" of play (in and out) and if you do properly re-assemble the collar and leaf washer this play will prevent the RPM wheel from working properly.

Posted on Dec 24, 2007

  • 1 Answer

SOURCE: Genie 2020L - Garage door does not close using remote/pad

You have loose wire(s). After speaking with Genie Customer Service, they had me disconect a few of the wires and try operating the unit, to no avail. I noticed when reconnecting the wires that several other wires on the same row of connections were loose. I tightened all wire connections and VOILA, it works.
1.Open plastic cover in front of the Unit.
2. Look on upper right corner for a row of screws. Model 2020L has a verticle row of (6) connection screws numbered from top to bottom, 1-6. These screws connet to a green circuit board. Looks kind of like a video card from a computer.
3. Tighten all these screws top to bottom assuring good connection of all wires.
My contention is this. As the motor runs, it causes a vibration that tends to loosen those screws causing a faulty connection to the circuit board. Hope this works for you.
Delta Dan

Posted on Nov 24, 2008

  • 244 Answers

SOURCE: garage door slamming shut

springs are shot/wrong. door not balalnced.

Posted on Jan 15, 2009

  • 31 Answers

SOURCE: Genie garage door openner won't stop when it goes down or up

there should be a "travel distance" adjustment screw on the opener.

Posted on Aug 26, 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

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1 Answer

Learn button for model GXL9500 where is the Learn Button located?


That is a Genie Opener and there are several "versions" of that. Take off the light globe that faces the door. Two screws at the top should allow it to fall and hang from the bottom attachment. Locate where the wires for the eye beams and the wall button are attached to the opener. The learn button should be right under those wires. Good luck!

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Someone in your neighborhood may have the same garage door opener that you have and sharing the same code. Change your garage door opener code or buy a Genie Code Scrambler.

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1 Answer

Why won't my Genie garage door opener close without going back up.


So it seems the Main garage door unit on the ceiling is ok. The problem is with hand held unit. Usually the circuitry is ok. Try changing the battery. It has helped me. Also make sure the sensor on ceiling unit is not blocked ad is free of cobwebs.

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I have a genie pro max PMX 300 IC/A garage door opener and bought a Genie 3-button remote (model G3T-R) and I can't get it programmed. I push the button on the back of the opener, push the button


Take the opener apart and see if there are about 4 numbers that can be set. If you have an older remote take it apart and match the numbers, then program it.

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1 Answer

Garage door wont close completely


There are a couple of reasons this might happen. First make sure it closes by hand all the way, if not there is something wrong with the door that will need attention first. If it does close then hook the opener back up. On the opener rail at the end by your header there is a little magnetic relay that is wired to the motor head. This can be moved farther up or down the rail. This sensor tells the opener when to stop in the downward direction. Loosen the set screw and move it toward the header 1/2 inch or so and try to lower the door. Do not move it too much at one time and if you do the door will hit the ground and come back up. Thanks BB

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1 Answer

Genie auto garage door. closes then imediately re...


GET A COPY OF THE ADJUSTMENT INSTUCTIONS FROM THE GENIE WEB SITE - IT IS A SMALL AND SIMPLE ADJUSTMENT - BUT, IF YOU MESS IT UP THE DOOR WOULD BE UNSAFE.

May 20, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Genie garage door comes down and goes back up.


You need a general inspection of all related parts. Make sure none of the track mounting bolts have loosened leaving a misalignment of track segments. CAREFULLY with power off use fingers. turn EACH roller. Something as simple as a bad roller bearing can cause this, even a flat spot on a worn roller. Rollers can be bought at a home supply store. These are 2 most causes.

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Genie Directlift garage door opener, wall control problem.


Sounds like a skinned wire on your front or rear limit switches is touching metal. Go over your low voltage wiring and test again.

Jul 05, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door slamming shut


springs are shot/wrong. door not balalnced.

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

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