Siemens A01066 fault code meaning
Siemens / A01066
Series: G110M, G115D, G120-CU240B-E-2, G120-CU250S-2, G120C, G120D, G120X, G120XA
Buffer memory: 70% storage capacity reached or exceeded
converter
Meaning: The amount of data stored in the nonvolatile buffer used to save parameter changes has reached at least 70%. This can occur when the buffer is enabled (p0014 = 1) and parameters are continuously modified via the fieldbus system.
Possible causes
Source: SINAMICS G110M P671; SINAMICS G115D P719; SINAMICS G120, control unit CU240B-2_CU240E-2 P696; SINAMICS G120, control unit CU250S-2 P1285; SINAMICS G120C P646; SINAMICS G120D control unit CU240D- 2_CU250D- 2 P823; SINAMICS G120X converter P1354; SINAMICS G120XA PN converter P1269