: This indicates an issue with the assembly that slides the edging wheels. It often points to a mechanical obstruction or a failing stepper motor.

: Manually check the movement of the edging wheels and tracing table. Look for lens debris, plastic shavings, or misaligned components that might be triggering "movement" or "overload" errors.

: Use a soft cloth to clean any visible optical sensors. Dust and water spray can frequently interfere with their ability to read lens positions correctly.