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Garage door wont close w/o re-opening

Tried all combinations of adjustments and door wont stop at bottom

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Wrong forum. But hey, I'll take a stab at it.

It sounds like your door goes so far down, then stops. Then you hit the button again and it goes back up and stops at the top. Then again, and now it goes to the bottom.

Have you tried allpying WD-40 to the entire length of the door runners leading from the motor unit to the garage floor? Have yo cleaned these runners, then done the WD-40? Are your door sensors (assuming you have them) set up and aligned correctly? If not and they both have little lights on them, if those lights are blinking it probably means they are not aligned right (though this problem often results in the door not responding at all).

Finally, how old is the opener? Maybe the main unit needs work or dare I say it, replacing. But make sure those other issues are checked before running out and spending money on a new main motor unit.

Hope this helps.

Posted on Mar 10, 2008

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2 Answers

The garage door opens only 1/3 and goes back. How to make it open the door completely?


The door has an infra red sensor on the door or on the track at the two bottom edges of the rail which stops the opening or closing if something is in the way. You need to get inside and remove anything that is close to the bottom edge of the door on its travels.

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How do you stop the door leaving a foot open at the bottom?


To stop the door in a partially open position, the button on the wall switch or remote should be pulsed when the door is opening from the fully closed position.

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My Craftsman 1/2 Hp garage door opener doesn't stop going down despite (quite forcefully!) applying pressure in the opposite direction. It would buckle (and did) if I don't let it continue unhindered...do...


YOU NEED TO ADJUST THE DOWN FORCE.

YOU WANT TO TURN IT COUNTER CLOCKWISE TO THE STOP (THIS ADJUSTMENT IS ONLY ABOUT 3/4 TURN FROM MIN. TO MAX.). THEN TRY THE DOOR IF IT REVERSES TURN IT ABOUT 1/16TH TURN CLOCKWISE. CONTINUE THIS VERY MINOR INCRAMENT ADJUSTMENT UNTIL THE DOOR CLOSES WITHOUT REVERSING. THEN GO 1/16TH TURN FURTHER.

YOU SHOULD BE ABLE TO STOP THE DOOR AND REVERSE IT BY GRABBING THE BOTTOM OF THE DOOR AS IT GOES DOWN AND LIFTING SLIGHTLY. IF YOU CAN'T GET THE DOOR TO BOTH CLOSE AND REVERSE WITH MODERATE PRESSURE YOU MAY NEED ADJUSTMENT TO THE DOOR / SPRING / ETC.
- I DO NOT RECOMMEND ADJUSTING THE DOOR YOURSELF - CALL IN A PRO FOR THAT.

IF THE ADJUSTMENT IS SUCCESFUL ADJUST THE OPEN SENSITIVITY / FORCE IN THE SAME MANNER.

HOPE THIS HELPS

Jun 28, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door wont stay closed


have you gotten the instalation instructions out and go through the set up procedure
and why did you rewire the sensors ?
the settings are critical but not rocket science of course then if the problem still persists and you can confirm the sensors are working correctly
then you may have to replace the logic board on the unit
try doing a mock reinstall and adjust and see if the problem isnt something simple

Nov 22, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

All of a sudden our garage door stopped working and the light flashes 10 times. Liftmaster Model 2265 1/2HP. Any ideas?


We just had the same problem this morning (cold weather can mess these things up). Not sure what you mean by "not working". Ours would open part-way and then stop (or close part-way and then stop), but could open/close all the way if we held the button on the wall down the entire time it was lifting. After much research online, we ended up checking the sensors at the bottom of the garage door tracks to make sure that the green light was solid (not flashing). Ours flashed a bit, so we cleaned the "eye" and tightened it in place. Once the green was solid, we thought we were done, but still had the problem.

Then we began adjusting the screws on the unit itself that show pictures of the door opening and closing. We thought we were adjusting the torque in the unit (because we read online that cold weather can make it more difficult for the motor to work), but in reality we were adjusting the opening and closing "distance". Apparently cold weather can also do something to the tracks, which can require adjustments to be made. Something to do with ground swelling...

Anyway, we also discovered that when we had closed the door manually (red pull-cord) the night before for lack of a better solution, it never properly locked back into position, which was adding to the problem.

So, first, try cleaning the sensors. You need a solid green light for them to function properly. Second, if you have used the manual cord, make sure the arm that it attaches to is locked back into position. You can accomplish this by pulling the manual cord, manually closing the garage, and then pushing the button on the wall. The door arm should lock into place. Third, try using a screwdriver to adjust the open/close distance. Start with a 1/4 turn for each position, and play with it until you find the right setting.

If these suggestions don't address your problem, this link worked for us...http://forum.doityourself.com/doors-windows/368278-garage-door-wont-go-down-cold-weather.html

Oct 10, 2009 | Electrical Supplies

1 Answer

Garage door wont close in cold weather


find force adjustment on logic board and turn clockwise A LITTLE to increase down force. Try to stop door. You do not want TOO MUCH FORCE as that is a SAFETY HAZARD.

Jan 12, 2009 | Sears Craftsman LiftMaster Chamberlain...

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