ABB ACS380 Drive
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Dec 14, 2021 5:41 am
How can resolve problem A7A5 Mechanical brake opening not allowed warning in ABB ACS380 Drive ?
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Dec 14, 2021 5:41 am
Cause : Open conditions of mechanical brake cannot be fulfilled.
1. Check mechanical brake settings in
parameter group 44 Mechanical brake control.
2. Check that the acknowledgment signal (if used) matches the actual status of the brake.
