Siemens A0503 fault code meaning
Siemens / A0503
Series: G110
Undervoltage limit
converter
Meaning: Power supply fault. — The supply voltage and DC circuit voltage (r0026) are below the specified limits.
Possible causes
Source: Converter Parameter List_ SINAMICS G110 P106
Series: MM410, MM420
Undervoltage limit
converter
Meaning:
Possible causes
Source: 410 P66; 420 P67
Series: MM430, MM440
Undervoltage limit value
converter
Meaning: Power supply fault. The supply voltage and DC-link voltage (r0026) are below the defined limit (see parameter r0026).
Possible causes
Source: Parameter List_ MICROMASTER 430 P260; Parameter List_ MICROMASTER 440 P319
Series: V10
Undervoltage limit value
converter
Meaning:
Possible causes
Source: SINAMICS V10 P99