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    What causes an IGBT overheating fault on the ATV630/ATV930 drive line?

    Issue:
    What causes an IGBT overheating fault on the ATV930 drive?

    Product Line:
    Altivar 930
    Altivar 600
    Altivar process

    Environment:
    All

    Cause:
    N/A

    Resolution:
    Verify the size of the load/motor/drive according to environmental conditions.
    It is not recommended to have a motor/load be sized larger compared to the drive.
    Check for proper cooling especially if the drive is located inside an enclosure such as MCC.
    Check and or reduce switching frequency of the drive depending on application.
     

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