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

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Garage Door The garage door sensors green lights have gone out and the remotes only will not let up or down the garage door. It's acting as if it has something in the way. Blinking lights on the garage door.

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  • pea50 Jul 21, 2008

    Both sensors are out

  • Anonymous Dec 09, 2013

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1994 1/2 h/p craftsman garage door opener sensors are both green but door opens as soon as it is shut

Posted on Oct 30, 2009

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Are the sensor lights located on each side of the garage door opening? Have you checked to see if they are in alignment with each other? Also check to see that any wire from the sensors are disconnected on the motor or at the sensor itself. Good Luck! Countrycurt0

Posted on Jul 21, 2008

  • Curt Downs Jul 21, 2008

    If there is no light on the sensors, there must be a bad connection between the sensors and the motor. Check all wires from sensors to motor to see if there are loose connections, cut wires, or wires that came off at connections.Countrycurt0

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