Siemens F12 fault code meaning
Siemens / F12
Series: 6RA28
Actual current > 300% of the rated rectifier current
DC drive
Meaning:
Possible causes
Source: 6RA28 Chinese Manual P109
Series: V20
Converter temperature signal loss
converter
Meaning: Converter temperature (heatsink) sensor wire break.
Possible causes
Source: SINAMICS V20 Converter P410