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

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Garage Door won't close

My 45 pound, 6 year old son decided to go for a ride with the garage door, by hanging onto the manual rope. Since then, the door will open fine, but I have to hold the (wall mounted) button down (remote won't work) to get it to close. It's a Lift-Master 1/3 HP. Any ideas

Posted by skniss on

  • Hannah Schroeder
    Hannah Schroeder Oct 17, 2017

    Wow, your son is really brave to ride up the garage door by hanging onto the rope! My remote won't control mine either, but none of my kids did anything to the rope. Maybe it would be best for both of us to call a garage door service to see if they can fix the problem. http://www.budgetgarageopeners.com.au/ca...

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Don Maggard

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It sounds like the door sensors have been bumped or somehow gotten misaligned. Tweak them until the light on each one is lit and not blinking. They must be pointed at one another.

Posted on Jun 01, 2009

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Overhead door opener 555 with manual release won't lockup chain
Sometimes if the clip is not reset then it wont catch the chain mechanism again to open or close the door. If you havent already reset the pull cord clip then that would be my guess. Try closing the garage door reset the clip with the rope attached, push it up til it clicks. and hit the garage door opener button. the rope and clip should move along the track until it hits the arm bracket where the garage door attaches to the chain mechanism.

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I think what you mean is you pulled the rope to open and close the door manually and now you can't get the two halves of the trolley to reconnect.
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Might be misaligned or one is bad.
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Garage door won't close
Check if there is a shadow being cast onto one of the sensors as the door closes. We've had the rope for manually closing the door cast a shadow in full sun and trigger the "something crossed the beam" safety reverse. (Our temporary solution was to cast a shadow that remained constant from outside the door.)

Similarly check if there are any weeds or grass that are being blown or bent into the opening as the door closes. If there are plants in or near the doorway, trim them or use an herbicide to kill them and then trim the top growth after the plant dies.

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