Siemens 300756 fault code meaning
Siemens / 300756
Series: SIMODRIVE 611D
Speed hysteresis for current setpoint smoothing invalid
servo drive
Meaning: The value in MD 1246: $MD_CURRENT_SMOOTH_HYSTERESIS (hysteresis of the speed- dependent M setpoint smoothing) is greater than or equal to the value in MD 1245: $MD_CURRENT_SMOOTH_SPEED (threshold of the speed-dependent M setpoint smoothing).
Possible causes
Source: SINUMERIK 840D/840Di/810D Diagnostics Manual 11/2006 (EN, Siemens official site) 2.3 SIMODRIVE ALARMS