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Thread: york yt vsd drive
08-28-2006, 04:31 PM #1
looking for info on high dc bus alarm, voltage goes to 850 on startup, drive book will not go into detail, 486 volts going into drive york ytk4d7f1-csj drive tm-503t b8-46d
08-30-2006, 05:42 PM #2
Found problem,Motor grounded. unsure on this alarm on grounded motor.