Siemens A29066 fault code meaning

Series: G220, S220

Infeed: Power unit capacitor air outlet overheat alarm

converter

Meaning: The air outlet temperature of the DC bus capacitors has exceeded the alarm threshold. - Ambient temperature too high. - Insufficient ventilation or fan fault.

Possible causes

Source: SINAMICS G220 Converter P1422; SINAMICS S220 Converter P2425