Siemens A0709 fault code meaning
Siemens / A0709
Series: MM420
CB alarm 10
converter
Meaning:
Possible causes
Source: 420 P67
Series: MM430, MM440
CB alarm 10
converter
Meaning: For CB (communication board) only
Possible causes
Source: Parameter List_ MICROMASTER 430 P262; Parameter List_ MICROMASTER 440 P322