Siemens F26 fault code meaning
Siemens / F26
Series: 6RA28
Armature current cannot decrease during torque reversal; electromotive force is too high.
DC drive
Meaning: Without field weakening: [incomplete]. With field weakening: Reduce P77 and plot the field characteristic curve.
Possible causes
Source: 6RA28 Chinese Manual P80
Series: V20
Internal error
converter
Meaning: Power-cycle the converter.
Possible causes
Source: SINAMICS V20 Converter P410