Siemens A01388 fault code meaning
Siemens / A01388
Series: G120-CU250S-2
Topology: Deviation detected when comparing EnDat encoders
converter
Meaning: When comparing the actual topology with the set topology, a EnDat encoder that deviates from the set topology was detected.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1306
Series: G130-G150
Topology: Comparison, EnDat encoder shifted
converter
Meaning:
Possible causes
Source: G150 P815
Series: S200
Topology: Encoder inserted in the wrong position
servo drive
Meaning:
Possible causes
Source: SINAMICS S200 Compact_SIMOTICS S-1FL2 and S-1FL1 P455