Siemens A0504 fault code meaning
Siemens / A0504
Series: MM410, MM420
Converter overtemperature
converter
Meaning:
Possible causes
Source: 410 P66; 420 P67
Series: MM430, MM440
Inverter overtemperature
converter
Meaning: The converter heatsink temperature alarm threshold has been exceeded; this causes a reduction in pulse frequency and/or output frequency (depending on the parameter settings in P0610).
Possible causes
Source: Parameter List_ MICROMASTER 430 P260; Parameter List_ MICROMASTER 440 P319
Series: V10
Inverter overtemperature
converter
Meaning:
Possible causes
Source: SINAMICS V10 P99