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Issue:
Possible causes for DB Unit Short Circuit Fault on ATV930 drive

Product Line:
ATV930, Altivar 930

Environment:
All

Cause:
NA

Resolution:
The fault may occur if the DB Transistor is shorted. Perform a diode check across PA to PB to check if Transistor is shorted. Also, check BrA is set to Yes.

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Publicerad för: Schneider Electric Sverige