Siemens F47 fault code meaning
Siemens / F47
Series: 6RA28
Two or more thyristors cannot be triggered (MI
DC drive
Meaning: Possible causes: Armature circuit interruption (check the DC fuse, motor supply wires, and brushes); ribbon cable X101 interruption; electronic board fault.
Possible causes
Source: 6RA28 Chinese Manual P85