Siemens F52 fault code meaning
Siemens / F52
Series: 6RA28
Thyristor cannot be triggered (gate G12
DC drive
Meaning: Possible causes: Open gate circuit wiring, an electronic board fault, a gate circuit board fault, or an interruption in the internal gate circuit of the thyristor.
Possible causes
Source: 6RA28 Chinese Manual P86
Series: V20
Converter software fault
converter
Meaning:
Possible causes
Source: SINAMICS V20 converter P36