Siemens F29040 fault code meaning
Siemens / F29040
Series: G220, S220
Infeed: Power unit 24 V undervoltage
converter
Meaning: Power unit 24 V power supply fault. - The voltage remained below the undervoltage threshold for longer than 3 ms.
Possible causes
Source: SINAMICS G220 Converter P1417; SINAMICS S220 Converter P2419