Siemens 300907 fault code meaning
Siemens / 300907
Series: SIMODRIVE 611D
Safe operating stop tolerance exceeded
servo drive
Meaning: The drive is disabled via STOP A or STOP B. This blocks the pulses over the relay "Antrieb-IMP". Request: In monitoring cycle. The actual position has moved too far away from the setpoint/zero position (outside the zero speed window). The zero speed window is parameterized through MD 1330: $MD_SAFE_STANDSTILL_TOL (safe operational stop standstill tolerance).
Possible causes
Source: SINUMERIK 840D/840Di/810D Diagnostics Manual 11/2006 (EN, Siemens official site) 2.3 SIMODRIVE ALARMS