Siemens A05053 fault code meaning
Siemens / A05053
Series: G130-G150, S120-S150
Parallel circuit: DC bus voltage imbalance error
converter
Meaning: The deviation in the measured DC bus voltage exceeds the alarm threshold specified in p7011.
Possible causes
Source: SINAMICS G130_G150 P1585;SINAMICS S120_S150 P2697
Series: S220
Parallel circuit: DC bus voltage imbalance error
converter
Meaning: The deviation in the measured DC bus voltage has exceeded the alarm threshold specified in p7011. Faults and alarms 5.5 List of faults and alarms SINAMICS S220 Converter Parameter Manual, 08/2026, FW V6.7, A5E53307549F AB 2217
Possible causes
Source: SINAMICS S220 Converter P2219