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IndustryArena Forum > MetalWorking Machines > Cincinnati CNC > cincinnati saber 750 axes drives are not enabled
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  1. #1

    Join Date
    Nov 2022
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    1

    Unhappy cincinnati saber 750 axes drives are not enabled

    I own a Cincinnati Sarber 750 machine. I have a problem. When I turn on the machine, the drive lights flash green and red, but when I press a green start button, all drives flash three green lights, but the z drive lights three green lights, then turns on a red light on the turn-back signal, then an error comes (39-6) Please help me

  2. #2
    Registered
    Join Date
    Dec 2006
    Posts
    571

    Re: cincinnati saber 750 axes drives are not enabled

    I think you are looking at the FOLD BACK light. This indicates the axis is in a over current condition. If you brace up the Z axis with a 4x4, turn off all the power and disconnect the 3 axis drive motor wires at the drive (make sure you take a pic and label them first). Turn on the machine and the drives, if you have a fault then the problem is in the Z axis drive and not in the motor or the wires. You may have a short in the IGBT transistors in the drive.

    MIKE CNC Machine Services INC | Cincinnati Milacron MachinesCNC Machine Services

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