Siemens A05003 fault code meaning
Siemens / A05003
Series: G120-CU250S-2, G130-G150, S120-S150
Power unit: internal space overheat
converter
Meaning: The internal compartment has overheated and reached the alarm threshold. If the internal compartment temperature rises by a further 5K, fault F30036 will be triggered.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1357; SINAMICS G130_G150 P1583; SINAMICS S120_S150 P2695
Series: G120X, G120XA
Power unit: internal space overheat
converter
Meaning: For chassis and cabinet power units: The internal air temperature has reached the alarm threshold. If the internal air temperature rises by a further 5K, fault F30036 is triggered.
Possible causes
Source: SINAMICS G120X Converter P1370; SINAMICS G120XA PN Converter P1281
Series: S110, S210
Power unit: internal space overheat
servo drive
Meaning: The internal compartment has overheated and reached the alarm threshold. If the internal compartment temperature rises by a further 5K, fault F30036 will be triggered.
Possible causes
Source: SINAMICS S110 P1003; SINAMICS S210_SIMOTICS S-1FK2 and S-1FT2 P884
Series: S220
Power unit: internal space overheat
converter
Meaning: The internal compartment has overheated, reaching the alarm threshold. If the internal compartment temperature rises further by 5K, fault F30036 is triggered. Faults and alarms 5.5 List of faults and alarms SINAMICS S220 Converter Parameter Manual, 08/2026, FW V6.7, A5E53307549F AB 2215
Possible causes
Source: SINAMICS S220 converter P2217