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Alugard garage door setting overrun

The door is out of sink. It travels half way up and stops, and it will not stop until it has overshot the down mark by 36"

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Posted on Jan 02, 2017


SOURCE: garage door

sensor got bumped, realign till both lights show green

Posted on Mar 30, 2008


SOURCE: Sears garage door opener only open half way going up..

this one is easy...there inside your garage door opener, the one on the top of your ceiling in your garage has little like knobs ..mine has a straight like screw driver circles attached to knobs. Round dials with screw driver like knobs on top of them...they are adjustable. your "tune" them until they just stop where you want them, don't forget to grease your chain, keep your tracks clean of dust, and make sure your safety "stops" are working properly so that if children are in the way, it will stop. Also..make sure there is nothing in the way of the track. If the sensor "senses" a block...that will also cause it to stop halfway. Now if you could tell me how to change my combination on my keypad...I'm all set.

Posted on Apr 15, 2009

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SOURCE: Liftmaster garage door will roll up half way and

The controls (potentiometers) that regulate force get dirty in time and make poor contact inside which become evident when cold as the contact springs separate from the track. Cleaning the inside of them is the solution, I injected 91% alcohol with a fine hypodermic (G27)needle through any spaces I could see leading to the inside of the potentiometers while turning them.
I suppose one can use any alternative electronics cleaner or the good old carbon tetrachloride.
I experienced a de-programing of the remote possibly due to wetness of of the board and I had to use a blow dryer to bring her back to function because I powered it while still wet; and reprogrammed it after. It works well now, I have too doors and fixed both the same way. Good luck.

Posted on Dec 27, 2009

  • 3197 Answers

SOURCE: garage door opener won't close. travels 6-8 in.,

If you cannot get the light on the sensor to come on by tweaking it,making sure it is pointed at the other sensor and your wiring is not broken or shorted then your sensors need to be replaced.

Posted on Jan 08, 2010

  • 504 Answers

SOURCE: Garage door closes and then automatically opens half way




Posted on Jun 05, 2010

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1 Answer

Circuit breaker tripped. Once reset, garages door opened all of the wa. The door only goes down two feet and stopped. When button is pushed again, comes back up hitting the stop quite hard?

Check the travel both up and down without the garage door connected. Check you owners/installation book that came with unit. When you assembled it did you have the trolley in proper place (up against a screw driver. If you don't set trolley and install chain you will have problems with the travel. Sit down and reread instructions and ensure that it assembled correctly.

Jul 02, 2017 | Building Materials

1 Answer

Garage door is closing to tight

Your closing travel length is too long and your pressure limit setting too must take the cover off the operating box..there are adjustments for opening and closing travel. have someone operate the door up and you close the door watch the chain or belt if the door puts pressure " bending" on the track when it bottoms out..adjust the travel to lesson it keep doing this until it stops without putting pressure on the rail. Then do the same fir the close travel..after you set the travel..there is a pressure limit adjusment. All doors must retract when something gets in the way going down and up..mostly down to protect kids,animals and such from getting hurt if it kept going down under must test that do do that by putting something in the path of the door coming down or have someone use their hand..I use a basket ball it gives a little then the door stops and heads back up..just adjust to a pressure that will allow the door to bottom out and not automaticky go back up..this sounds long but is fairly easy once you get into the box..good luck..

Oct 03, 2014 | Building Materials

1 Answer

Product Lift Master Professional Line 1/2 HP Security + Model # 1265LM Door goes down intermittently. Door will go down approx. 8 - 10 inches, stop and then retract. Remote in hand, I press the...

Check alignment of the obstruction sensors .... they shoot a light beam across the doorway about 6 inches above the floor. One is mounted on each side of the door track near the floor.

Aug 29, 2017 | liftmaster Chamberlain Garage Door Opener...

1 Answer

I have a craftsman 3/4 garage opener. When it is traveling down it will contuniue past the adjusted stopping point and keep going untill it runs out of track and then travel back up.. It seems to only...

It sounds like your door is traveling just a bit too far in the down direction. Locate the 'down limit' adjustment on the side of your motor unit and turn this control a bit in the opposite direction of the arrow printed on the cover. Some tweaking will then be necessary to get it just right.

Oct 13, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My door closes but then comes right back up. It also does not come up all the way

Check your travel limit switches. There will be an adjustment for Down travel, as well as 1 for up travel. There is also an adjustment for Force or Sensitivity. Make note of the current positions before changing anything so that you can go back to original settings.

If you are sure that nothing is tripping the light beam(s) / safety sensors, slightly increase the FORCE / Sensitivity adjustment in small increments. Look at the lablel of the adjustment to see which way to turn it, or consult user manual. Small increments at a time, until the door starts to work properly.

If you can't seem to get the sensitivity set, then reset it back to the position it was, and decrease the down travel in small increments until the door goes down, and stays down.

Once the door is staying down, increase the up travel adjustment in small increments until the door stops where it should.

Run the garage door opener through a few cycles for a few minutes. Make note of where the adjustment settings are.

If your door is metal, then you are done. But if your door is wood, you will likely need to adjust the force / sensitivity adjustment when the door is dry (low humidity time of year) as well as when it is wet (rainy season). Usually the best time to adjust the force is when you are in the time of year of when it is most humid. That is when the most stress / friction is on the door hardware.

It takes a little while to get everything perfect, but it is usually hands off afterwards until changes are made to the door.

It would be a great idea to go through and do the maintenance (grease rails, lube rollers, etc) before trying to adjust the opener. It will not only prolong the life of the door and opener, but the adjustments that you make will be valid for a longer time.

Jun 29, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Door goes up about a foot and stops

The sensors have nothing to do with your door opening. First thing to check are the door springs. One may be broken. Next remove the cover and check the drive gear. It is a white nylon gear just in front of the motor. It may be stripped.

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

1 Answer

Garage door closes and then automatically opens half way




Mar 15, 2009 | Sears Craftsman LiftMaster Chamberlain...

3 Answers

Garage door won't close

your door travel screw is set to go too far on the downward travel. you need to set the down travel. It is set to go too far down. find the screw adjustment on the unit that says close and back off the screw a full turn until door stops short of floor. then start turning screw other way until door just touvhes floor.

Feb 24, 2008 | Sears Craftsman LiftMaster Chamberlain...

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