Siemens F33142 fault code meaning
Siemens / F33142
Series: G120-CU240B-E-2, G130-G150, S120-S150
Encoder 3: Battery voltage fault
converter
Meaning: When power is off, the encoder uses a battery to retain multi-turn information. The battery power is insufficient, so the encoder cannot continue to retain multi-turn information.
Possible causes
Source: SINAMICS G120, Control Unit CU240B-2_CU240E-2 P793; SINAMICS G130_G150 P1901; SINAMICS S120_S150 P3091