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Thread: Devective tool in main axis (error 02A91)

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    Default Devective tool in main axis (error 02A91)

    Hi!
    HITACHI HG400II with Fanuc 15MB
    I have this error. (Devective tool in main axis) number of arror 02A91. In Maintenance manual - refer to Operator manual.
    I checked Operator manual but not found any notes about it.
    Can anybody help me?

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    Default Re: Devective tool in main axis (error 02A91)

    WHen does error come up?
    WHen you command axis to move?
    When you call for a tool change?
    Is there a tool in the spindle?
    What was the last thing the machine did before this alarm occured?

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