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Thread: Alarm 412 in fanuc 3M

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  1. 11-29-2007, 07:12 PM #1
    rajesh_1355
    rajesh_1355 is offline Member
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    Unhappy Alarm 412 in fanuc 3M

    Dear All, I have a Fanuc 3m controlled Vertical Drill Machine.
    In this m/c Alarm 412 appears very frequently.
    Automatic drift compentation bit is on, but some times drift comp. value keep on increasing & alarm appears.
    Have replaced Dc axis drive, Motor & even encoder cable.
    Any suggestion is welcomed.
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  2. 12-15-2007, 11:10 AM #2
    sun
    sun is offline Registered
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    You should replace master PCB.Good luck (nuts)
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  3. 12-15-2007, 04:58 PM #3
    L. Sakthivel
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    What is the Alarm Description
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