Siemens A07391 fault code meaning

Siemens / A07391

Series: G120-CU230P-2

DC bus capacitor reforming active

converter

Meaning:

Possible causes

Source: Converter SINAMICS G120, equipped with control unit CU230P-2 P492

Series: G120X, G120XA

Drive: DC bus capacitor reforming valid

converter

Meaning: The "DC bus capacitor reforming" function is enabled. The remaining process time is displayed in parameter r3381. See also: p3380 (reforming activation/duration)

Possible causes

Source: SINAMICS G120X Converter P1378; SINAMICS G120XA PN Converter P1289