Siemens F07421 fault code meaning
Siemens / F07421
Series: G120-CU250S-2
Drive: Speed filter natural frequency > Shannon frequency
converter
Meaning: The natural frequency of a filter is greater than the Shannon frequency. The Shannon frequency is calculated using the following formula: 0.5 / p0115[1]
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1377
Series: S110
Drive: Speed filter natural frequency > Shannon frequency
servo drive
Meaning: The natural frequency of a filter is greater than the Shannon frequency. The Shannon frequency is calculated using the following formula: 0.5 / p0115[1]
Possible causes
Source: SINAMICS S110 P1014
Series: S200, S210
Drive: Speed filter natural frequency > Shannon frequency
servo drive
Meaning: A filter natural frequency is higher than the Shannon frequency. The Shannon frequency is calculated as follows: 0.5 / speed controller sampling time.
Possible causes
Source: SINAMICS S200 PROFINET_SIMOTICS S-1FL2 P519; SINAMICS S210_SIMOTICS S-1FK2 and S-1FT2 P1320