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

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Door goes down then up 6 to 8 inches and stops - I have disegaged the door and it moves easyly...the thing the move along the bar still only goes a few inches HELP

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  • michaelshawn Dec 14, 2008

    i had the same problem, now i get nothing but a few clicks like a solenoid.

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I was able to solve the problem by adjusting the up resistance. Not sure why it went out of adjustment - maybe the cold

Posted on Dec 11, 2008

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Door goes up a few inches and then stops. next time you hit the button it goes down.


Check the Springs at the top of the door,,,, look closely to make sure one of them is not broken, if that is not the case check the door tracks to make sure nothing is blocking it.

the door moving and stopping sounds like the overload sensor is tripping thinking it has hit somthing.

Aug 30, 2014 | Chamberlain Liftmaster Professional 373lm

1 Answer

Genie Powermax 1200 installed but only move approx 6 inches at a time.


You need to program the unit for up and down stops you can download the instructions from the link below

http://www.geniecompany.com/data/products/genie_programming-excerpt_eng.pdf

Jan 02, 2013 | Home Security

1 Answer

My Chamberland door opener works fine sometimes, and other times it might move an inch each time I push the button or a foot, sometimes it goes up and stops before it gets to the top and same going down.


I recommend this to everyone with garage door opener problems:

Use the pull cord and disconnect the opener from the door. Operate the opener and let the carrier slide back away from the door. Is the carrier moving smoothly when disconnected? Next, lift the door by hand from the bottom to the top. Is it moving smoothly? If not, lubricate the axles of all the rollers on both sides of the door. Check the cable pulleys at the top sides of the door channel, lubricate them as well. Are all cables in all the pulleys, there are 4. After checking those things, there is a "up force" and "down force" adjustment on the opener, try increasing the "up force" by turning the adjustment in the direction of MORE force.

Gary

May 01, 2011 | liftmaster Chamberlain Garage Door Opener...

1 Answer

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. ...


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.

Mar 28, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Chamberlain Liftmaster bounces back up sometimes...


On the side of the motor unit you will find the 'down limit control'. Using a small screwdriver turn this control in the opposite direction of the arrow printed on the cover. Some tweaking will most likely be necessary. You can remove the cover and watch the limit switch assembly and get a good idea how it works.

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

1 Answer

Automatic sliding doors


My door also had the same problem: It would only open a few inches, then it would stop. Moving it manually one more inch and trying again would make it go all the way. In my case, this was due to the wire harness being bent in a certain way right at that point (and the wires being broken there).

First make sure that the door moves smoothly over the location where it stops by moving it manually. If it's hung up on something, try to find it. In my case the door itself moves very smoothly all along the path with just a finger (or two) pushing it.

I took two screws off the top plate of the arm where the motor in the door meets the frame (bottom of door). I then took this plastic arm cover off. I could then see the wire harness and the gear. Now, make sure there's nothing major wrapped around the gear; next, see if you can get the door to start moving by pressing the button at the same time as you wiggle the wire harness. If the door starts to go, then it's likely a bad wireing harness.
I took the wiring harness out of the arm and moved it below the arm instead of within it. Now it works just fine (the harness doesn't bend in the same bad way anymore). However, I anticipate having to buy a new wiring harness to fix it for good.

Jun 29, 2009 | 2007 Dodge Grand Caravan SXT Minivan

1 Answer

Problem with Sears Garage Door Opener


The motors is cought on something check the motor if it moves inches it will move a yard the question is the motor is it getting power? if so is it stuck on its own drive chain? Check these things you be glad you did.

May 25, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Door opener moves foward about 10 inches then returns


UNPLUG THE UNIT FOR ABOUT 5 MIN. TO RESET TRY TO OPERATE IF IT STILL MOVES 6-8 INCHES AND FLASHES 5 TIMES THE RPM SENSOR IS YOUR PROBLEM - COULD JUST BE THE CUP HAS MOVED ON THE SHAFT. IF IT IS IN PLACE AND STILL NOT WORKING REPLACE THE PICKUP.

Dec 11, 2008 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Lift master 1265lm 1993


check and see if a spring is broke on either side above the door in the middle. (big springs) that's my problem.

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

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