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IndustryArena Forum > Machine Controllers Software and Solutions > Fanuc > spindle serial link error 750 Fanuc 21i
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  1. #1
    Join Date
    May 2008
    Posts
    4

    spindle serial link error 750 Fanuc 21i

    on our milling machine, when we start this message is diplayed.
    on the spindle servo Amplifier module,
    1) only green LED is on
    2) _ _ is flashing

    the diagnostic parameter 409 bit#1, S1E=1

    the parameter 3701 all bits are = zero.

    we have checked the cables also

    kindly help in this connection.

  2. #2
    Join Date
    Nov 2007
    Posts
    68

    Re: spindle serial link error 750 Fanuc 21i

    Quote Originally Posted by Abdul Haq View Post
    on our milling machine, when we start this message is diplayed.
    on the spindle servo Amplifier module,
    1) only green LED is on
    2) _ _ is flashing

    the diagnostic parameter 409 bit#1, S1E=1

    the parameter 3701 all bits are = zero.

    we have checked the cables also

    kindly help in this connection.

    I have exactly the same problem with same statues .... are you fix it ? how ?

  3. #3
    Join Date
    Oct 2015
    Posts
    11

    Re: spindle serial link error 750 Fanuc 21i

    did you check the output dc of you power supply amp spindle?
    check that one....

  4. #4
    Join Date
    Nov 2007
    Posts
    68

    Re: spindle serial link error 750 Fanuc 21i

    we checked the power supply output and it's ok

  5. #5
    Join Date
    Oct 2015
    Posts
    11

    Re: spindle serial link error 750 Fanuc 21i

    can you send some photo?...

  6. #6
    Join Date
    Nov 2007
    Posts
    68

    Re: spindle serial link error 750 Fanuc 21i

    photo for what?

  7. #7
    Join Date
    Sep 2013
    Posts
    13

    Re: spindle serial link error 750 Fanuc 21i

    Quote Originally Posted by Abdul Haq View Post
    on our milling machine, when we start this message is diplayed.
    on the spindle servo Amplifier module,
    1) only green LED is on
    2) _ _ is flashing

    the diagnostic parameter 409 bit#1, S1E=1

    the parameter 3701 all bits are = zero.

    we have checked the cables also

    kindly help in this connection.
    On the off chance you remember or are even still around.... did you figure out the issue. I have the same thing at the moment.

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