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I can open garage door with remote but cant close once inside. light starts flashing sensors are one yellow, one green.

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  • 10 Answers

There could be something blocking the censor or it is incorrectly wired

Posted on Nov 06, 2012

Testimonial: "thanks, i cleaned sensors and unplugged unit to reset. knock on wood, is working fine now :)"

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Garage Door Openenr Motor Buzz

Look at your manuel find the page that shows the limit access switch. (Unplug your opener.) It isn't really a switch, but the three white plastic screw like parts. The center has a brown wire connected to it, which has a metal piece that is as wide as all three white screws. The outside screws are your limit access stop guides, one for the up control stop guide and the other for the down control stop guide. If the center screw with the metal part gets caught behind on of the stop guides the motor will not engage. Gently move metal piece from behind the stop guide.

Posted on Nov 10, 2008

  • 247 Answers

SOURCE: OLDER SEARS GARAGE DOOR OPENER WONT OPEN GREEN LIGHT FLASHING

do you have the sensors at the bottom of the door? if so they might be out of alignment. all you have to do line them up by getting the green light solid. let me know if this helps you.

Posted on Dec 18, 2008

ktkodama
  • 37 Answers

SOURCE: Garage Door only opens with wall unitq

The unit is in the lock mode, push and hold the lock button in for about two seconds and the green LED should stop flashing. Your remotes should work.

Posted on Dec 30, 2008

  • 3197 Answers

SOURCE: My garage door opener won't close the garage door.

Most likely your door sensors have been bumped and are not aligned properly. Make sure they are pointed at one another and the small light on each one is lit and not blinking.

Posted on Apr 30, 2009

  • 244 Answers

SOURCE: My Garage door is not opening or closing. One of

depending on model, both are green or one green/one orange. that is not your problem, however you really do not give me much to work with. "It does not work". Does chain move? Does motor run? What is you hold wall pushbutton? Give more info.

Posted on May 09, 2009

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1 Answer

My garage door opener is a 3/4 craftsman and one light is yellow and the other is green. I put my hand in front of the green light and the green light went off. the other side is a yellow light and it


Hi Vickie,

The safety beam portion of the garage door opener is set up to stop the door from closing if something (car, person, etc,.) is in the doorway.

When the door is open - if you press the hard wired push button (not the wireless remote) the door will either close until shut completely, or begin to close and reverse direction as soon as you let go of the button. When this happens, it *usually* means that a sensor is blocked - and reversing the door motor. If you try yhtis with the remote the door may not move at all or just bump down and stop.

You should re-align the sensors as described in the link below. Good luck!


How to Replace the Safety Sensor for Garage Door Opener Repair Guide Help...

How to Adjust Photo Eye on Garage Door

Nov 03, 2014 | Craftsman Professional 3/4 hp Hydro-Glass...

1 Answer

I'm having to hold the main remote button down continuously to get the door to close. It acts like something is obstructing the path, but it's clear. The sensors have a green light on one and a...


You need to hook those wires back up and then check the door sensors very closely. If the light in one of the door sensors is dim or flashing it will cause your problem.

Sep 12, 2011 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Door suddenly will not close without holding the button down continuously that is inside the garage. The remote button will open the door but not close it. The door starts to close and stops right away.


It definitely sounds like a sensor problem. In normal operation, one sensor will have an amber or yellow light on, indicating power to the sensing circuit. The opposite sensor should have a green light on. If the yellow light is not on there is no power to the circuit due to a broken wire or circuit board failure. If the green light is not on or is flickering, the sensors are not aimed at each other or the light path is blocked.

Aug 04, 2011 | liftmaster Garage Door 1/2 Hp

1 Answer

Garage door only closes halfway


If the main light is flashing 10 times when the door reverses when closing it is a door sensor problem. You can override this with the door control but not with a remote. Make sure the door sensors are pointed at one another and the small light on each one is on and not flickering.

Jul 07, 2010 | Sears Craftsman LiftMaster Chamberlain...

3 Answers

Sears garage door opener 1/2 hp about 6 years old. Will not respond to remotes to open and close. Light flashes on opener when remote is pressed but no door action.


Door sensors are not working. Check if lights are on both sides.
Might be misaligned or one is bad.
Door will close if you hold in the garge close button until it's all the way down.
And it will open on it's own.
You can get these off ebay.

Jan 15, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Door won't close, blinks 10 times, sensor light yellow


Anytime the main light flashes 10 times and the door reverses to the open position it is a door sensor problem or the wiring to them. Nothing else causes this symptom.

Sep 13, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Craftsman 1/2 HP garage door opener with one green and one yellow


It sounds like a logic board problem to me. I would remove the board and look for bad connections especially around that small transformer.

Aug 19, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Door will not open or close with remote


What does a normal remote do with the lights?
Is yellow and green normal?

Aug 03, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage Door only opens with wall unitq


The unit is in the lock mode, push and hold the lock button in for about two seconds and the green LED should stop flashing. Your remotes should work.

Dec 29, 2008 | Sears Craftsman LiftMaster Chamberlain...

4 Answers

Door will only close when held down


That normally happens when the sensors aren't aligned. Both sensors have led lights on them the yellow/orange one will stay on all the time the green one will go out if it cant see the other sensor. Possibly theres a wire that's broken or the other sensor is really out of alignment. Check every inch of wiring from the sensor to the opener, remove wire nuts if present and check the connections. The wires that are used are small, solid and can break easily. Also see if there's a staple that's too tight, move the wire abit where it's stapled and look for damage.

Jun 23, 2008 | Sears Craftsman LiftMaster Chamberlain...

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