ABB ACS560 Drive
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Jul 13, 2021 12:16 pm
How can resolve problem A7A1 Mechanical brake closing failed warning in ABB ACS560 Drive ?
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Jul 13, 2021 12:17 pm
Cause : Mechanical brake control warning.
1. Check mechanical brake connection.
2. Check mechanical brake settings in
parameter group 44 Mechanical brake control.
3. Check that acknowledgment signal matches the actual status of the brake.
