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What would cause the circuit breaker to trip on the ATV61 and ATV71 drives?
Altivar ATV61/ ATV71
Circuit breaker keeps tripping when try and power up the drive.
The circuit breaker is tripping because it is sensing a short circuit or over current in the circuit. Before repowering the drive you will need to do a full diode check on the input and the output the drive.
Do a visual on the drive with no power applied check to see if there are any burnt marks on the drive.
Check the breaker settings to see if they may need to be adjusted.