Over-speed Protection in Riding Direction

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This error indicates that the motor speed has exceeded a safe limit while traveling in the intended 'riding' or forward direction. This is a critical safety fault, often triggered by a loss of speed control, an external force causing acceleration, or an incorrect over-speed threshold.

• Loss of speed control by the drive, potentially due to feedback error or control loop instability.
• External forces causing the motor to accelerate beyond its commanded speed.
• Incorrect over-speed protection threshold setting in the drive parameters.
• Malfunctioning speed feedback device providing inaccurate speed readings.

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1. 1

   Verify the accuracy and stability of the speed feedback signal from the encoder or other speed sensing device.

2. 2

   Check the motor load and ensure that no external forces are causing uncontrolled acceleration beyond commanded speed.

3. 3

   Review and adjust the over-speed protection threshold parameter in the drive to an appropriate and safe limit.

4. 4

   Inspect the drive's speed control loop parameters for any signs of instability or incorrect tuning.