8409

Category: Alarm

Cause

1. Feedback speed exceeds the maximum permissible speed of the [Axis 1] encoder, and multi-turn data recorded by the [Axis 1] encoder while power is off is abnormal
2. [Axis 1] Encoder abnormality

Corrective action

1. Replace the encoder battery
2. Clear the encoder status flags
3. Check the encoder and encoder wiring