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Garage door opener - malfunctional safety sensor

Discussion in 'Electronic Repair' started by John Smith, Apr 6, 2004.

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  1. John Smith

    John Smith Guest

    We have a residental Lift-Master Garage Door Opener. Recently, the light of
    the right sensor did not turn on after a severe thunderstorm (the left one
    was all right) and the door could not be lowered. I replaced both sensors
    with new ones from Lift-Master, and the light of the right sensor still did
    not turn on (the left one was all right). What might be the problem? Any
    suggestions? Thanks.
     
  2. Jerry G.

    Jerry G. Guest

    Check to see if there is any voltage going to the light. If not, trace it
    back. Maybe the power supply, or some other component that drives it, has
    failed.

    --

    Greetings,

    Jerry Greenberg GLG Technologies GLG
    =========================================
    WebPage http://www.zoom-one.com
    Electronics http://www.zoom-one.com/electron.htm
    =========================================


    We have a residental Lift-Master Garage Door Opener. Recently, the light of
    the right sensor did not turn on after a severe thunderstorm (the left one
    was all right) and the door could not be lowered. I replaced both sensors
    with new ones from Lift-Master, and the light of the right sensor still did
    not turn on (the left one was all right). What might be the problem? Any
    suggestions? Thanks.
     
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