Siemens F3 fault code meaning
Siemens / F3
Series: V20
Undervoltage
converter
Meaning: Power supply fault. The shock load exceeds the specified limit. r0949 = 0: Reported by hardware. r0949 = 1 or 2: Reported by software. Check the supply voltage.
Possible causes
Source: SINAMICS V20 converter P409