Siemens A01251 fault code meaning
Siemens / A01251
Series: DCM-6RA80
CU: CU-EEPROM Data read/write error
DC drive
Meaning: An error occurred while reading read/write data on control unit EEPROM.
Possible causes
Source: SINAMICS DCM, Parameter Manual, Firmware Version 1.5 SP2 (based on 5.1 SP2) P949
Series: G110M, G115D, G120-CU250S-2, G120C, G120D, G120X, G120XA, G130-G150, S120-S150, S220
CU: CU-EEPROM Data read/write error
converter
Meaning: An error occurred while reading read/write data on control unit EEPROM.
Possible causes
Source: SINAMICS G110M P674; SINAMICS G115D P722; SINAMICS G120, control unit CU250S-2 P1291; SINAMICS G120C P649; SINAMICS G120D control unit CU240D- 2_CU250D- 2 P826; SINAMICS G120X converter P1357; SINAMICS G120XA PN converter P1272; SINAMICS G130_G150 P1453; SINAMICS S120_S150 P2529; SINAMICS S220 converter P2078
Series: G120-CU240B-E-2
CU: CU-EEPROM Data read/write error
converter
Meaning: Error reading read/write data on control unit EEPROM. Warning value (r2124, decimal): For internal Siemens fault diagnostics only.
Possible causes
Source: SINAMICS G120 control unit CU240B_E-2 P644
Series: G200, G210, G210X, G220
EEPROM data read/write error
converter
Meaning: An error occurred while reading the read/write data of converter EEPROM.
Possible causes
Source: SINAMICS G200 converter P619; SINAMICS G210 converter P991; SINAMICS G210X converter P859; SINAMICS G220 converter P1193
Series: S110
CU: CU-EEPROM Data read/write error
servo drive
Meaning: An error occurred while reading read/write data on control unit EEPROM.
Possible causes
Source: SINAMICS S110 P935
Series: S200, S210
CU: CU-EEPROM Data read/write error
servo drive
Meaning: An error occurred while reading the read/write data of converter EEPROM.
Possible causes
Source: SINAMICS S200 PROFINET_SIMOTICS S-1FL2 P461; SINAMICS S210_SIMOTICS S-1FK2 and S-1FT2 P1270