Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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Garage door does not close. one light green one orange

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

lobsterman72
  • 91 Answers

SOURCE: 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.

Posted on Jun 27, 2008

Door Tech
  • 98 Answers

SOURCE: Garage door sensors out of alignment

The lights are suppost to be yellow (power to photo eyes) and green (lined up).
 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). If the light bulb(s) on your operator are on the 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.

Posted on Jan 10, 2009

  • 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

  • 3197 Answers

SOURCE: Sear garage door wall mount contol light keeps blinking

Hold the button with the lock icon in for 3 seconds. This should toggle the unit off vacation mode and your remotes will work.

Posted on Jun 01, 2009

  • 3197 Answers

SOURCE: Garage door won't shut, light blinks 10 times.

If the light blinks 10 times it is a sensor problem. Nothing else will cause this. Tweak the sensor a bit and check it out.

Posted on Jun 29, 2009

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1 Answer

The sensor light are different colors


The sensors are seeing something directly in line with the beam between the 2 sensors, or your sensors are not aligned so they point directly at each other.

Jan 12, 2013 | Craftsman Sears Liftmaster Garage Door...

1 Answer

Ok so I am having a problem with craftsman garage door, The sensor light are right on green and one orange, but i still have to hold down the button in the garage to shut the door. Also today i thought...


If when you try to close the door the main light flashes 10 times and the door starts down and then reverses to the open position you have a door sensor problem. Make sure the lights in the sensors are not flickering ever so slightly. The color of the lights doesn't mean anything. The keypad sounds like a separate problem. Make sure the battery is good.

Apr 07, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

On the sensor for the craftman garage door opener 1 is orange and the other is green and my garage door doesn't open with the remotes


Nothing wrong with the sensors. They don't work when the door is opening anyway. Only when closing. Make sure the light in the wall control is not flashing. If it is press and hold the lock button for 3 seconds.

Dec 17, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have liftmaster professional garage door opener. it opens ok but does not close with remote and light keeps flashing on garage door opener. I checked both sensors and seems like the sending sensor light...


If your sensors are not pointed at one another the light on one of them will go out. Tweak them a bit. If you cannot get the light to come on then your sensors are bad.

Oct 25, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Mine does the same thing...


If the main light is flashing 10 times you have a door sensor problem. Might be the wiring to the sensors. Nothing else will cause this flashing of the main light.

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

1 Answer

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.

Apr 24, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage sensor problem


The colour on the sensors doesn't change.
One is orange constantly and the other is green when detecting a signal from the orange sensor.
If the green is flickering, they are not adjusted correctly.Move the green sensor until you get a good solid green. Holding the wall pad button down, just bypasses the sensors.

Try adjusting only the sensors so that they are solid.

In addition, check the little yellow light on the back of the machine and count the flashes.
The number of flashes will tell you what the error is in your manual.

Jun 18, 2008 | Chamberlain Powerdrive PD422D 1/2 HP...

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