NX100 Alarm 1211

  • Hi,


    I have alarm from time to time AL-1211


    0000_0000_0010_0000: SAF_F signal


    NIF board replaced and system initialized and an error occurs from time to time.

    Edited once, last by kameleon ().

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  • Hi,


    This alarm is about safety door signals, if you have door lock check its signals, these signals go to a green board inside of the controller door .

    Check the pins 3 , 4 , 5, 6.

    If any wire connected to these pins, you must check their connection. Maybe the wires are disconnected or broken.

  • This fault is related to safety signal from door safety plug. Please check MXT board inside NX100 controller, this board is on bottom side of controller, check terminals number 9, 10 , 11 and 12.

    In these terminal there is dual channel signal of safety door plugs.

    Any one channel signal is getting break from field, either 24 V Or common singal.

    You can verify by removing any one wire from above terminal of MXT card 9, 10, 11 and 12.

    This alarm will come.

    Please check field wiring of safety plug or any relay in circuit of safety plug signal is malfunctioning.

  • The alarm occurs in a cycle, when it occurs every time I measure the transition between channels - channel1 - 3-4 and channel2 - 5-6, the signals are ok.

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