Siemens F38815 fault code meaning
Siemens / F38815
Series: S220
AIM: Processor clock signal error
converter
Meaning: Processor clock signal monitoring has reported an error. This may be caused by an error in the signal itself or a phase-locked loop error. Faults and alarms 5.5 Fault and alarm list SINAMICS S220 Converter 2758 Parameter Manual, 08/2026, FW V6.7, A5E53307549F AB
Possible causes
Source: SINAMICS S220 converter P2760