What causes a buFo [DB unit op. circuit] fault on an ATV340 and how do I correct it?
Issue:
Customer is experiencing buFo [DB unit op. circuit] fault on an ATV340 series drives.
Product line:
ATV340
Environment:
External Braking resistor is in use.
Cause:
Customer is experiencing buFo [DB unit op. circuit] fault on an ATV340 series drives.
Product line:
ATV340
Environment:
External Braking resistor is in use.
Cause:
Open-circuit from braking circuit.
Braking resistor not connected.
Resolution:
Resolution:
Verify the wiring of the braking resistor.
Verify that the braking resistor ohmic value is not too high.