Hyudai HIT 18s W/ 840C Boot Hangs

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Thread: Hyudai HIT 18s W/ 840C Boot Hangs

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    Default Hyudai HIT 18s W/ 840C Boot Hangs

    Hi,

    I have a Hyundai HIT 18S with a siemens 840C that is does not fully boot the flexos/drdos/operator area. The control hangs at the same screen whether booting to general reset or normal mode. Attached, is a picture of the display. My picture is missing the red 'waiting' message that blinks on the top right corner of the screen. Before the control boots to the final screen, it displays an '105002 No Communication NCK' alarm. It is not possible to boot into the reset mode to reload the NC + PLC.
    Hyudai HIT 18s W/ 840C Boot Hangs-compress1-jpg
    I also have a picture of the control rack. The PLC RED LED has repeating 5-blink pattern that, per the manual, indicates the PLC can not talk to the link ram. The NCK alternates between flashing a 0 and 1 on its LED display. The MMC LED is an 8.
    Hyudai HIT 18s W/ 840C Boot Hangs-compress2-jpg

    The DR DOS boot process can be interrupted and the NC keyboard seems to work. Any thoughts on what card MMC, NCK or PLC to try and replace first? Any Ideas on the minimum configuration necessary for the machine to boot?

    Similar Threads:
    Attached Thumbnails Attached Thumbnails Hyudai HIT 18s W/ 840C Boot Hangs-compress1-jpg   Hyudai HIT 18s W/ 840C Boot Hangs-compress2-jpg  
    Last edited by zsh; 03-15-2019 at 06:17 PM. Reason: Typos


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Hyudai HIT 18s W/ 840C Boot Hangs

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Hyudai HIT 18s W/ 840C Boot Hangs