What can cause the ATV930 Process drives trip on the bUFO or braking unit resistor open circuit fault?

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Issue:
ATV930 trip on the bUFO or braking unit resistor open circuit fault.

Product Line:
ATV930 Process drives

Environment:
All

Cause:
Open braking resistor

Resolution:
Check braking resistor wiring
Check the resistor to see it its open
Check the parameter BRI1