ABB ACS380 Drive
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Dec 14, 2021 9:33 am
How can resolve problem 6684 EFB load fault Fault in ABB ACS380 Drive ?
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Dec 14, 2021 9:34 am
Cause : Embedded fieldbus (EFB) protocol firmware could not be loaded.
1. Hardware problem in control card.
2. Replace control card and check drive.
