Leblond Makino, FNC 74-A Fanuc 11M - Page 2
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  1. #21
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    Quote Originally Posted by ewlsey View Post
    Look at the alarm description.

    It is saying you have an issue with the shifter. There are two digital outputs, SL04A and SL04B. Those are probably outputs to a solenoid to mechanically shift the gears of the spindle. There are two digital inputs, LS06 and LS07. Those are probably limit switches to tell the machine the position of the shifter mechanism.

    In the table it shows that the alarm is caused when:

    SL04A output is on
    SL04B output is off
    LS06 input is on
    LS07 input is off

    OR

    SL04A output is off
    SL04B output is on
    LS06 input is off
    LS07 input is on

    You have to find the limit switches LS06 and LS07 and you should find the problem.
    Hello! I’m thinking are you wrong! Because look this picture:


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  2. #22
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    OK great. That label tells you everything you need to know to fix this problem.

  3. #23
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    I think is no problem here! My alarm change! But Stop don’t go!


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  4. #24
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    Now! I have this trouble:





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  5. #25
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    Hello everybody! I found! I have a trouble in LS74, I fix! Now my machine is working!!! Thanks for the help!!!!!


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