According to one embodiment, a method for monitoring a door rail of an elevator system is provided which comprises operating the elevator system to at least partially open a door, and to close the door at a slow speed, detecting that a door switch is closed and sending a signal when the time it takes for the door switch to close is over a predetermined value. The method for monitoring may be periodically commanded by an elevator control system.


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    Title :

    DOOR RAIL MONITORING


    Contributors:

    Publication date :

    2019-07-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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