Siemens A0506 fault code meaning
Siemens / A0506
Series: MM430, MM440
Inverter load duty cycle
converter
Meaning: The temperature difference between the heatsink and IGBT has exceeded the alarm limit.
Possible causes
Source: Parameter List_ MICROMASTER 430 P260; Parameter List_ MICROMASTER 440 P319
Series: V10
= converter cycle time
converter
Meaning:
Possible causes
Source: SINAMICS V10 P100