Siemens F07890 fault code meaning
Siemens / F07890
Series: G120-CU250S-2
Internal voltage protection/internal armature short circuit and STO active
converter
Meaning: The internal armature short circuit (p1231 = 4) is invalid because Safe Torque Off (STO) is enabled. Pulses cannot be enabled.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1413
Series: G130-G150, S120-S150
Internal voltage protection/internal armature short circuit and STO active
converter
Meaning: Internal armature short circuit (p1231 = 4) is invalid because Safe Torque Off (STO) is enabled. Pulses cannot be enabled.
Possible causes
Source: SINAMICS G130_G150 P1665; SINAMICS S120_S150 P2815
Series: G200, G210X, G220, S220
Internal voltage protection/internal armature short circuit activated together with STO (Safe Torque Off)
converter
Meaning: The internal armature short circuit cannot be set (p1231 = 4) because STO (Safe Torque Off) is enabled. Pulses cannot be enabled.
Possible causes
Source: SINAMICS G200 converter P720; SINAMICS G210X converter P981; SINAMICS G220 converter P1369; SINAMICS S220 converter P2350
Series: G210
Internal voltage protection/internal armature short circuit activated together with STO (Safe Torque Off)
converter
Meaning:
Possible causes
Source: SINAMICS G210 converter P1152