Siemens A06904 fault code meaning
Siemens / A06904
Series: G130-G150, S120-S150
Braking module internally disabled
converter
Meaning: The internal braking module is disabled by "BI p3680 = 1". Energy cannot be dissipated through the braking resistor while the module is disabled. See also: p3680 (Internal braking module disabled)
Possible causes
Source: SINAMICS G130_G150 P1594;SINAMICS S120_S150 P2721