Siemens A49940 fault code meaning
Siemens / A49940
Series: S120-S150
Power unit AC 400V circuit protection switch has tripped
converter
Meaning: The circuit breaker for power unit AC 400V has tripped.
Possible causes
Source: SINAMICS S120_S150 P3235
Siemens / A49940
converter
Meaning: The circuit breaker for power unit AC 400V has tripped.
Source: SINAMICS S120_S150 P3235