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  1. #25
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    Join Date
    Jul 2010
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    33
    Only 2003 X crc=1 and stb=1, all others are 0.
    This morning I tried some g84 cycles and alarm 351 continuous and also #200 x dca=1

  2. #26
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    Join Date
    Dec 2009
    Posts
    551

    Re: fanuc 18m 351 alarm

    that means mainboard or option board fault

  3. #27
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    Join Date
    Jul 2010
    Posts
    33

    Re: fanuc 18m 351 alarm

    Do you know how to change the mainboard?
    I think I don't have option2.

  4. #28
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    Jul 2010
    Posts
    33

    Re: fanuc 18m 351 alarm

    Attachment 419498

    this is my mainboard.
    Couldn't reply to your PM. Your storage is full.

    Goodmorning
    Michael

  5. #29
    Registered
    Join Date
    Jul 2010
    Posts
    33
    I checked the pulse coder cable, OK.
    I added a cable to ground from the replaced MZ sensor (the machine originaly had a M sensor in the spindle motor).
    This way the alarm hasn't appeared yet.
    Let's see.....

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