Siemens 300785 fault code meaning
Siemens / 300785
Series: SIMODRIVE 611D
No-load current is less than or equal to zero
servo drive
Meaning: The value in MD 1136: $MD_MOTOR_NOLOAD_CURRENT (motor no-load current) is less than or equal to zero. 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