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Thread: Alarm 204 spindle controller malfunction

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    Default Alarm 204 spindle controller malfunction

    Hi guys, I have a mazak slant turn 30-atc. For the last 6 months we have been dealing with alarm 204 spindle controller malfunction popping up. The alarms sparactic an doesn't come up every time we use the machine. It's happen most of the time when you go to increase or decrease the spindle rpm in manual or when running a part it is when the spindle goes to increase rpm on the finishing pass. Sometimes it will stutter like it is trying to switch gears and other times it just automatically alarms out when it kicks up the rpm. We have talked to a few diffterent people about it but still haven't solved the problems. Just trying to see if anybody has any input, suddestions, or know what the issue could be.

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    Default Re: Alarm 204 spindle controller malfunction

    Quote Originally Posted by selectmachine5257 View Post
    Hi guys, I have a mazak slant turn 30-atc. For the last 6 months we have been dealing with alarm 204 spindle controller malfunction popping up. The alarms sparactic an doesn't come up every time we use the machine. It's happen most of the time when you go to increase or decrease the spindle rpm in manual or when running a part it is when the spindle goes to increase rpm on the finishing pass. Sometimes it will stutter like it is trying to switch gears and other times it just automatically alarms out when it kicks up the rpm. We have talked to a few diffterent people about it but still haven't solved the problems. Just trying to see if anybody has any input, suddestions, or know what the issue could be.
    Did you find any remedy for 204 spindle controller malfunction alarm ?

    I have face same problem on my MAZAK SQT-100 machine.
    KASH

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    Default Re: Alarm 204 spindle controller malfunction

    We since have gotten rid of the machine but we did fix it. It turn out the there was just a loose connection in the spindle motor wiring. After $5000 of useless fixes it took me justnpushing up and down on the motor to find the 10 cent fix.

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