Siemens Drive Fault Code 7902 |link| -
Run the static/rotating motor data identification (set and start the drive).
The most straightforward reason is a heavy mechanical load that exceeds the torque capacity of the motor or drive combination. If a mechanical brake does not release properly, or if downstream equipment (such as conveyors, pumps, or mixers) is jammed, the motor will lag behind its frequency command. 2. Missing or Incomplete Motor Commissioning siemens drive fault code 7902
The (frequently displayed as F07902 ) is a critical safety and operational alarm that indicates a Motor Stalled condition. This fault triggers across multiple families of the Siemens SINAMICS product ecosystem—including the G120, G120XA, G120X, G115D, and S120 drives. When the drive's control unit detects that the motor cannot maintain its designated speed under load for longer than a predefined window of time, it immediately generates this fault to prevent hardware degradation. Run the static/rotating motor data identification (set and
: Incorrect motor phase lead connections or disconnected motor cables. When the drive's control unit detects that the