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

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Remote will open garage door but will not close garage door. light for electronic eye on left does not come on.

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The door sensors may have been bumped. They need to point at one another to work properly. Tweak them and see if the light will come on. If not the sensor or the wiring connected to it is bad.

Posted on Jun 25, 2009

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Garage door won't open or close using remote (light on lifter flashes twice) but will open and close using the button inside the garage.



WHEN HOLDING IT DOWN MAKES THE DOOR CLOSE PROPERLY THE PROBLEM IS IN THE SAFETY EYES.


ARE BOTH LEDS ON? - CHECK FOR A LOOSE OR BROKEN WIRE.

ARE THE EYES WIRED CORRECTLY?

ARE THEY AIMED AT EACH HOLDING DOWN THE WALL BUTTON OVERRIDES THE SAFETY EYES.

OTHER?

Oct 10, 2010 | Chamberlain Powerdrive PD422D 1/2 HP...

1 Answer

Garage door won't close with remote and I have to hold the pad to make it go down, however it opens just fine.


Your safety reversing sensors must be connected and aligned correctly before the garage door opener will close. An obstruction in the path of the sensor will also cause your door to not close.

This sensor is an electronic beam, which is sent between two sending and receiving "eyes". These eyes face each other and are located just inside your garage door. They may need to be adjusted so the beam from the sending eye is properly detected by the receiving eye. Once the receiving eye "sees" the beam from the sending eye, a green indicator light will glow on the top of the eye. Tweak them a bit. If both lights do not come on you have bad sensors.

Sep 24, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Door opens but have to hold button in to close


Your safety reversing sensors must be connected and aligned correctly before the garage door opener will close. An obstruction in the path of the sensor will also cause your door to not close.
This sensor is an electronic beam, which is sent between two sending and receiving “eyes”. These eyes face each other and are located just inside your garage door. They may need to be adjusted so the beam from the sending eye is properly detected by the receiving eye. Once the receiving eye “sees” the beam from the sending eye, a green indicator light will glow on the eye.

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

1 Answer

When you push either the remote or the switch at the door, the garage door will go down almost to the bottom and then come back up and the light will blink several times. This does not happen all the time....


Your safety reversing sensors must be connected and aligned correctly before the garage door opener will close. An obstruction in the path of the sensor will also cause your door to not close.
This sensor is an electronic beam, which is sent between two sending and receiving “eyes”. These eyes face each other and are located just inside your garage door. They may need to be adjusted so the beam from the sending eye is properly detected by the receiving eye. Once the receiving eye “sees” the beam from the sending eye, a green indicator light will glow on the top of the eye.

Jan 03, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

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.

Jan 27, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Chamberplain Garage Door Opener problem


IF U HAVE TWO EYE,SENSORS ON EACH SIDE OF THE DOOR SEE IF SOMETHING IS BLOCKING THE EYES OR SOETHING IS COVERING THEM, OR THEY ARE OUT OF ALIGNMENT, ONE SHOULD SHOW GREEN, AND ONE RED EYE, GOOD LOCK

Jan 25, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

The garage door works when it wants to.


You have a problem with the safety eyes. Make sure a light is on on both eyes. If not, realign until both lights come on.

Jan 21, 2009 | Chamberlain Powerdrive PD422D 1/2 HP...

5 Answers

Programing limits on a Grifco MK3 Garage door Operator


It has the "Protector System" (safety sensors). chec the sensor indicator light on the receivinng eye the green light had a slight flicker.cleaned both the sending eye and receiving eye lens of dust and cob webs, then realigned the receiving sensor for a steady green indicator light. then check the door function it now works fine.over time, temperature, and viberation the sensors become dirty and get out of alignment, as no one had tampered with the sensor alignment prior to this. Hope this works for you.

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

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