Siemens 300780 fault code meaning
Siemens / 300780
Series: SIMODRIVE 611D
No-load current exceeds rated motor current
servo drive
Meaning: The no-load current of the motor (MD 1136: $MD_MOTOR_NOLOAD_CURRENT) has been set at a greater value than the rated current of the motor (MD 1103: $MD_MOTOR_NOMINAL_CURRENT). The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not ready).
Possible causes
Source: SINUMERIK 840D/840Di/810D Diagnostics Manual 11/2006 (EN, Siemens official site) 2.3 SIMODRIVE ALARMS