Siemens F07403 fault code meaning

Series: G120-CU250S-2

Drive: Lower DC bus voltage threshold reached

converter

Meaning: DC bus voltage monitoring is valid (p1240 = 5, 6), and the lower limit of the DC bus voltage threshold (p1248) has been reached in the "Run" status.

Possible causes

Source: SINAMICS G120, Control Unit CU250S-2 P1372

Series: G130-G150, S120-S150

Drive: Lower DC bus voltage threshold reached

converter

Meaning: DC bus voltage monitoring is valid (p1240, p1280 = 5, 6), and the lower DC bus voltage threshold (r1246, r1286) has been reached in the "Run" status.

Possible causes

Source: SINAMICS G130_G150 P1609;SINAMICS S120_S150 P2745

Series: G200, G210, G220

Drive: Lower DC bus voltage threshold reached

converter

Meaning: DC bus voltage monitoring is valid (p1240, p1280 = 5, 6), and the lower limit of the DC bus voltage threshold was reached in the "Run" status (r1246, r1286).

Possible causes

Source: SINAMICS G200 converter P710; SINAMICS G210 converter P1107; SINAMICS G220 converter P1324

Series: G210X, S220

Drive: Lower DC bus voltage threshold reached

converter

Meaning:

Possible causes

Source: SINAMICS G210X Converter P968; SINAMICS S220 Converter P2280

Series: S110

Drive: Lower DC bus voltage threshold reached

servo drive

Meaning: DC bus voltage monitoring is valid (p1240 = 5, 6), and the lower limit of the DC bus voltage threshold (p1248) has been reached in the "Run" status.

Possible causes

Source: SINAMICS S110 P1011