Siemens 300722 fault code meaning
Siemens / 300722
Series: SIMODRIVE 611D
Motor no-load current greater than power unit rated current
servo drive
Meaning: On the basis of its no-load current (MD 1136: $MD_MOTOR_NOLOAD_CURRENT (motor no-load current), the connected motor is too large for the power section in use (continuous thermal current MD 1108: $MD_INVERTER_MAX_THERMAL_CURR (current limit for power section).
Possible causes
Source: SINUMERIK 840D/840Di/810D Diagnostics Manual 11/2006 (EN, Siemens official site) 2.3 SIMODRIVE ALARMS