ABB ACS550 Drive
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Dec 15, 2021 11:48 am
How can resolve problem A2004 DIR LOCK Alarm in ABB ACS550 Drive ?
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Dec 15, 2021 11:48 am
The change in direction being attempted is not allowed. Either:
• Do not attempt to change the direction of motor rotation, or
• Change parameter 1003 DIRECTION to allow direction change (if reverse operation is safe)
