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ABB DCS880 Drive
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Oct 01, 2024 11:50 am
F556 fault in ABB DCS880 drive indicates Torque proving issue. This means the acknowledge signal for torque proving is missing.
- Check the setting of 44.19 M1 brake torque proving time.
- Check the Adaptive Program, application program or overriding control providing the torque proving OK signal. See 06.11.b04 Auxiliary control word 2.