Siemens A33470 fault code meaning
Siemens / A33470
Series: G120-CU240B-E-2
Encoder 3: Contamination detected
converter
Meaning: At the secondary encoder system interface of cabinet encoder module 30 (SMC30), the 0 signal at terminal X521.7 reports encoder contamination.
Possible causes
Source: SINAMICS G120, Control Unit CU240B-2_CU240E-2 P795
Series: G130-G150, S120-S150
Encoder 3: Encoder reports an internal error (X521.7
converter
Meaning: On cabinet encoder module 30 (SMC30), the 0 signal at terminal X521.7 reports encoder contamination.
Possible causes
Source: SINAMICS G130_G150 P1913;SINAMICS S120_S150 P3104
Series: G210, S220
Encoder 3: Encoder reports an internal error (X521.7
converter
Meaning: On cabinet encoder module 30 (SMC30), the 0 signal at terminal X521.7 reports encoder contamination.
Possible causes
Source: SINAMICS G210 converter P1339; SINAMICS S220 converter P2644