ABB ACS880 Drive
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Jun 14, 2024 10:23 am
Cause : BU current difference comes when current difference detected by the branching unit (BU) due to faulty fuse or hardware issue in drive.
An AE05 fault code in your ABB ACS880 drive indicates a BU current difference.
- Check converter fuses.
- Check converter(s).
- Check inverter(s).
- Check LCL filter.
