Siemens A33940 fault code meaning
Siemens / A33940
Series: G120-CU240B-E-2, G120-CU250S-2
Encoder 3: Spindle sensor S1 voltage error
converter
Meaning: The voltage of the spindle's analog sensor S1 is outside the permissible range.
Possible causes
Source: SINAMICS G120, control unit CU240B-2_CU240E-2 P797; SINAMICS G120, control unit CU250S-2 P1589
Series: S220
Encoder 3: Spindle sensor S1 voltage error
converter
Meaning: The voltage of the spindle's analog sensor S1 is outside the permissible range.
Possible causes
Source: SINAMICS S220 converter P2664