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    E-FLEX enclosed drive - After the main breaker got tripped, the drive has no display and won't run.

    Issue:  
    E-FLEX enclosed drive - After the main breaker got tripped, the drive has no display and won't run.

    Product line:
    Altivar ATV61

    Environment:
    All models, all serial numbers 

    Cause:
    DC bus is only reading 14 VDC on PA + to PC -      

    Resolution:
    Checked Line voltage L1 L2 L3 they are all good  490 vac phase to phase. DC bus on PA to PC was only 14 VDC it should be 680 VDC. 
    Suspect  a issue with the input diode circuit, soft charge board, power board and or DC bus capacitors. Power down and do an static check on the input side of the drive PA to L1 L2 L2 and PC to L1 L2 L3.

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