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  1. vinx

    Unidrive M200 New VFD Output Current Imbalance (25-39A) – Moves with Phase Swap

    Hi everyone, I need your help with a persistent output current imbalance on a newly installed VFD. Equipment Details: VFD: New 45 kW Control Techniques / Nidec Unidrive M200 (replaced old unit that had Er.STO fault) Motor: Siemens 1LE0101-2BB23-4AB4, 45 kW (50 Hz) / 51 kW (60 Hz), 400V...
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