ABB D20C fault code meaning
ABB / D20C
Series: ACS880-WINCH
Speed matching
drive
Meaning: The load speed error exceeds the steady-state threshold set by parameter 74.51 Speed steady deviation level or the ramp-state threshold set by parameter 74.52 Speed ramp deviation level for longer than the time set by parameter 74.54 Speed matching action delay.
Possible causes
Source: ACS880 Winch Control Program P561