ABB ACS560 Drive
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Jul 14, 2021 12:31 pm
How can resolve problem 7191 BC short circuit Fault in ABB ACS560 Drive ?
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Jul 14, 2021 12:32 pm
Cause : Short circuit in brake chopper IGBT.
1. Ensure brake resistor is connected and not damaged.
2. Check the electrical specifications of the brake resistor against the Hardware manual.
3. Replace brake chopper (if replaceable).
