Siemens A29254 fault code meaning
Siemens / A29254
Series: G220
Infeed: Power unit inlet air overheat alarm
converter
Meaning: The intake air has overheated and exceeded the alarm threshold. p0212.9 = 0: No subsequent overload response. p0212.9 = 1: Set the overload response using p0290. If the intake air temperature continues to rise, fault F29035 is triggered.
Possible causes
Source: SINAMICS G220 Converter P1426