Siemens F30770 fault code meaning
Siemens / F30770
Series: G120-CU240B-E-2
SI motion P2: Discrepancy error in fail-safe inputs
converter
Meaning: The fail-safe digital inputs (F-DI) remained in different states for longer than the time set in p10002/p10102.
Possible causes
Source: SINAMICS G120 Control Unit CU240B- 2_CU240E- 2 P893