Siemens 300715 fault code meaning
Siemens / 300715
Series: SIMODRIVE 611D
Power unit maximum current less than or equal to zero
servo drive
Meaning: The maximum current of the power section entered in drive MD 1107: $MD_INVERTER_MAX_CURRENT (transistor limit current) is less than or equal to zero.
Possible causes
Source: SINUMERIK 840D/840Di/810D Diagnostics Manual 11/2006 (EN, Siemens official site) 2.3 SIMODRIVE ALARMS