Siemens A37056 fault code meaning

Siemens / A37056

Series: G120-CU250S-2

HF damper: Heatsink overheat

converter

Meaning:

Possible causes

Source: SINAMICS G120, Control Unit CU250S-2 P1607

Series: S120-S150

HF damper: Heatsink overheat

converter

Meaning: The temperature of the heatsink of the HF damper exceeds the permissible limit. - Insufficient ventilation, fan fault. - Overload. - Ambient temperature too high.

Possible causes

Source: SINAMICS S120_S150 P3204