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Can't get the door to open ? it will go up about two inches then stops and goes back down

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: garage door

sensor got bumped, realign till both lights show green

Posted on Mar 30, 2008

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SOURCE: Chamberlain Liftmaster Professional 1/2 HP

Okay...upon further inspection, my left spring has broken in two. Going to call around for some quotes to replace the spring. Thanks for the suggestions.

Posted on Jul 25, 2008

  • 1 Answer

SOURCE: Door goes down then up 6 to 8 inches and stops

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

  • 1 Answer

SOURCE: lift master 1265lm 1993

I have had the same problem.  The nylon gear that drives the chain started to strip, and was slipping. It finally wore out completely, and now needs replacement.

Posted on Dec 17, 2008

  • 118 Answers

SOURCE: pressing remotes the door won't go u[

It sounds like you have the lock enguaged. When it is flashing it locks out all remote access. Hold the lock button for 3 seconds. The green light should go solid. On the issue of closing, it is most likely a safety eye issue. Hold down the wall button. If it closes it is the safety eyes. Holding the button overrides the safety eyes. Make sure that thelight on both eyes are both lit.

Posted on Jan 27, 2009

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1 Answer

My Chamberlain Liftmaster Formula 1 garage door opener just started going up 2 inches then stopping. If I hit either the inside wall mount or the remote in the car it just goes back down 2 inches and back...


You need to check the door springs to see if one is broken and also remove the cover from the motor unit and check the drive gear. The gear is white nylon and will be very obvious if it is bad. The part number is 41A2817 and is available at any good door service company. It will come with instructions.

Apr 03, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have an access master door opener..it goes up about 6 inches and stops, hit switch again, goes down, hit switch again goes up about two feet, hit switch again goes down, third time switch nothing until...


Door sensors have nothing to do with door opening. Only closing. It sounds like you have a bad gear in the motor unit. Remove the cover and it will be obvious if the gear is bad.

Feb 15, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door repeatedly drops after opening.


Remove the cover from the motor unit and check the drive gear.

Jan 16, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door goes up, but only travels about 12 inches and stops when it comes down


TRY HOLDING DOWN THE WALL BUTTON TO CLOSE THE DOOR.
IF IT WORKS THE PROBLEM IS IN THE SAFETY EYES.

IF THE DOOR TRUELY GOES A FOOT OR MORE AND THE ABOVE DOES NOT WORK - DISCONNECT THE DOOR FROM THE OPENER AND MAKE SURE IT WORKS SMOOTHLY - LUBE THE SPRING(S) ETC,
IF IT GOES UP AND DOWN WITHOUT TOO MUCH EFFORT ADJUST THE DOWN SENSITIVITY - NOTE: THIS IS A VERY SMALL ADJUSTMENT 1/8 TURN IS MORE THAN ENOUGH

IF YOU STILL HAVE PROBLEMS DOWNLOAD THE OWNERSMANUAL FROM LIFTMASTER.COM NAD READ THE TROUBLESHOOTING SECTION

HOPE THIS HELPS

Dec 20, 2009 | liftmaster Chamberlain Garage Door Opener...

2 Answers

Sears opener wont open or close more than 12 inches


You may have put the chain back on out of "sync" with in internal up and down stops. You may have to take the chain off the motor sprocket and run the motor to make sure it is stopped in the down position ( watch the rotation of the sprocket to determine up or down position) When the motor is stopped in the down position put the chain back on with the chain Carriage in the down position. Then you can fine tune the up and down stop positions with the adjustment screws on the side.

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

1 Answer

I have a gargae door that goes down only not up. Plus when it goes down it stops at the bottom and retrives 6 inches back up.


Check to make sure that the garage door is balanced. Sounds like the springs need to be adjusted and the travel limits need to be reset.

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

1 Answer

When cold outside, door only opens a few inches


1.Check to see if the door is running correctly. 
  A. Run the door down and pull the emergency release. See if the door will run easily by itself. 

  1. If it runs hard by hand try lubricating the rollers and hinges with silicone spray or some form of lubricant (not WD 40) 

  2. If the door is heavy and falls back to the ground, you probably have a spring issue (either broken or needs more tension) in this case call a professional door repair company in your area.

  B. If the door runs fine then check the up force on your operator (the box that hangs from the ceiling and reads Craftsman). If the light(s) on your operator go from front and/or back, the force adjustment screw is on the back of the operator. If the lights are on the sides of the operator then the force adjustment screw is on the right side (looking from the back of the operator and facing the garage door). Turn the light blue adjustment screw with the up arrow to a higher number.

Dec 05, 2008 | Chamberlain Powerdrive PD422D 1/2 HP...

2 Answers

Chamberlain Liftmaster Professional 1/2 HP


Okay...upon further inspection, my left spring has broken in two. Going to call around for some quotes to replace the spring. Thanks for the suggestions.

Jul 21, 2008 | Sears Craftsman LiftMaster Chamberlain...

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