Siemens F07928 fault code meaning

Series: G120-CU250S-2, S120-S150

Internal voltage protection triggered

converter

Meaning: The motor module reports that the motor has been short-circuited via the power semiconductors (r1239.5 = 1). Pulses cannot be enabled. Internal voltage protection is selected (p1231 = 3).

Possible causes

Source: SINAMICS G120, Control Unit CU250S-2 P1423; SINAMICS S120_S150 P2826

Series: G200

Internal voltage protection triggered

converter

Meaning:

Possible causes

Source: SINAMICS G200 converter P726

Series: G210, G220

Internal voltage protection triggered

converter

Meaning: The converter reports that the motor has been short-circuited through the power semiconductors (r1239.5 = 1). Pulses cannot be enabled. Internal voltage protection is selected (p1231 = 3).

Possible causes

Source: SINAMICS G210 converter P1161; SINAMICS G220 converter P1379

Series: G210X

Internal voltage protection triggered

converter

Meaning: The converter reports that the motor has been short-circuited via the power semiconductors (r1239.5 = 1). Pulses cannot be enabled. Internal voltage protection is selected (p1231 = 3). Faults and alarms 5.2 List of faults and alarms SINAMICS G210X Converter Parameter Manual, 07/2026, FW V6.7, A5E54375466F AA 987

Possible causes

Source: SINAMICS G210X Converter P989

Series: S220

Internal voltage protection triggered

converter

Meaning: The motor module reports that the motor has been short-circuited via the power semiconductors (r1239.5 = 1). Pulses cannot be enabled. Internal voltage protection is selected (p1231 = 3).

Possible causes

Source: SINAMICS S220 Converter P2366