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What causes a DB unit short circuit on an ATV61HC13N4?

Braking unit failure

Product Line:
ATV61, ATV71

This fault appears only for the drives > 90kW.

Short circuit inside the braking module.
Braking resistor in short circuit.
Short circuit to the ground.
BRA=NO (ramp autoadaptation) and no braking resistor.

Check the wiring of the braking unit and the resistor.
Check the configuration of the drive.
Disable the BUF parameter in the Fault Management menu.
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