Siemens F01646 fault code meaning
Siemens / F01646
Series: G200
SI: log change
converter
Meaning: The stored functional safety checksum (r9780[0]) or hardware-related safety checksum (r9780[1]) does not match the safety checksum calculated at start, or the previously calculated safety checksum could not be found. An acceptance test is required because the safety parameters or safety hardware have changed.
Possible causes
Source: SINAMICS G200 Basic converter P549