Question about liftmaster Garage Door 1/2 Hp

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HBW0777 Liftmaster garage door opener will not close unless wall button is held down. Weirdly enough it only does this in early fall to early spring for last 3 years. What can I do to fix it?

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It's the safety sensors. They may be misaligned, bad wire, or one of them bad. I'm assuming the door works fine when raising it. When you hold the button down when lowering the door, you're overriding the safety.

Posted on Dec 26, 2014

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Have the wiring checked out for proper voltage and ground, when it is acting up. The seasonal change may affect the ground rod, it may not be well grounded.

Posted on Nov 27, 2013

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Posted on Jan 02, 2017

carmin77
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SOURCE: have a 2006 Liftmaster professional 1/2 h.p garage

The opener should have an antenna wire hanging out of it. Did someone/something hang on it?

Posted on Feb 26, 2011

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1 Answer

My garage door opener opens with wall button but button must be held down until door touches floor to close. This unit is a liftmaster HBW0777 Model K1027 & does not have a sensor system


I think the issue is a missing sensor safety system. Try jumping a wire between terminals two and three. Then the wall button should work on a single short push.

Nov 15, 2016 | Building Materials

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My liftmaster formula1 opens everytime but only the wall button will close it. Once in a while a remote will work but rarely. I have one remote, one vehicle oem remote and a wall mounted remote outsid


does it attempt to close. stop go back up and the lights flash....if so check the safety eyes, check for boken spring/ springs using the wall mount button circumvents the safety system. check the down pressure setting.

Nov 15, 2014 | Building Materials

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Broken sprocket coupler


Could be. Yet you may only need to adjust the springs and not replace them.. In case you have roll up/ sectional garage door, it should be quite easy you need to release the traveler from the rail so you can open and close the door manually/by hand then, while open the door on the knee level leave the door. If it falls down the springs need adjustment.
In general the door should stay at the same position on every stage it is while pulling it up and down.
If the door falls/ closes down not enough tension on springs, if door opens up too much tension on springs. If door acts funny.like close when close to the floor and jump up when its futher more open, it means that you don't have the matching springs for the weight of your garage.

Oct 21, 2012 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have the door bell style wall button-how do I unlock the unit so the remotes can be synched? I have pressed green button on back of unit with remotes but they won't operate the door.


You don't unlock anything to program the opener for the remotes. If everything is working you do this:

Press and hold the button down on the remote while you press and immediately release the smart/learn button. Do this for each remote.

Jul 11, 2012 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Liftmaster 1/2 horse Model HBW0777 acts like the safety sensor is stuck (door won't continue down - re-opens when you let go of the wall button. I can close it with the wall button but I need to hold it...


If the main light flashes 10 times when the door reverses it is a door sensor problem. Look closely at the green lights to make sure one isn't flickering ever so slightly. Tweak them a bit.

Mar 22, 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...

1 Answer

Wall mount button LED is flashing, remotes won't work, door won't close unless the wall mount button is held down until the door is fully closed


Sounds like you have a couple problems. First of all press and hold the button on the wall control that has a lock icon for 3 seconds and release. This should take care of the flashing LED and the remotes will now work. Having to hold the button on the wall control until the door is closed is usually a problem with the door sensors. Make sure they are pointed at one another and the small light on each is lit and not flickering.

Nov 16, 2009 | Sears Craftsman LiftMaster Chamberlain...

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