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Alarm / Fault code 202 in allen bradley PowerFlex 755 drive

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Cause : AltSpdReg DL Err comes when attempted to establish a Datalink to P649 [Alt Speed Reg Kp], P650 [Alt Speed Reg Ki], or P651 AltSpdErr FltrBW] and P648 [Alt Speed Reg BW] is set to a value other than zero.

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