Need Help! YASNAC MX3 325 servo cpu abnormal error


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Thread: YASNAC MX3 325 servo cpu abnormal error

  1. #1
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    Default YASNAC MX3 325 servo cpu abnormal error

    Anyone know how to clear this error?
    On the Hellmans site they suggest changing parameter 6104 D6 to 0 but a decimal parameter and already 0
    Not sure how it happened or what I did but I was trying to get DNC working and heard a relay/contactors and got the error as well as all the servos going down. I'm not big on electrical or electronics and can't even figure out which board the problem is on. All the servos have power, the P/S is all green lights.

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    Default Re: YASNAC MX3 325 servo cpu abnormal error

    No one replied so......
    It turns out the way to clear this is to turn the rotary switch on the top left of the MD20/MB21 main board to 1, it normally is at 0. I did it with the machine turned off, don't know if it was required but nothing else happened except the machine is then locked out. At that point i could reset parameter 6219 to 1/write enable and change parameter 6014 D6 from 1 back to 0, turn machine off, reset rotary switch to 0 position and was back in business.
    Hopefully this helps someone on these old, orphan controls in the future.
    BTW, I can't take the credit for this, I had lots of help from my regular non-OEM serviceman, a very smart guy.



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YASNAC MX3 325 servo cpu abnormal error

YASNAC MX3 325 servo cpu abnormal error