Hi guys

I have the same kind of problem :

MLFB 6se7041  VC  with K80 option  ,  master and slave 750KW each  , 400 vac and 1.1MW induction motor with 2 separate windings

I have :
F27 fault and NOT F25 and NOT F26    sometimes at standstill and sometimes at high speed 

and the fault  condition (stored in r949) is sometimes 0 and sometimes 2

In such a case , Is the r949 contents significant or not ?

Please could you help me ? 

Regards ..

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Split from masterdrive fault F027.