Siemens A01021 fault code meaning
Siemens / A01021
Series: G110M, G115D, G120C, G120D
Use the removable device as a USB data carrier for the computer
converter
Meaning:
Possible causes
Source: SINAMICS G110M P665; SINAMICS G115D P712; SINAMICS G120C P640; SINAMICS G120D control unit CU240D- 2_CU250D- 2 P817
Series: G120-CU240B-E-2, G120-CU250S-2, G120X, G120XA
Use the removable device as a USB data carrier for the computer
converter
Meaning: The removable device is being used as a USB data carrier for a computer. The drive therefore cannot access the removable device. Configuration data cannot be saved to the removable device during backup.
Possible causes
Source: SINAMICS G120, control unit CU240B-2_CU240E-2 P691; SINAMICS G120, control unit CU250S-2 P1275; SINAMICS G120X converter P1348; SINAMICS G120XA PN converter P1263