Siemens F37025 fault code meaning

Series: G120-CU250S-2, S120-S150

HF Damper: Chip overheat

converter

Meaning: The chip temperature has exceeded the permissible limit. - The permissible duty cycle has not been maintained. - Insufficient ventilation or fan fault. - Overload. - Ambient temperature too high. - Pulse frequency too high.

Possible causes

Source: SINAMICS G120, Control Unit CU250S-2 P1605; SINAMICS S120_S150 P3201