Error message

8CA0 Incorrect reference signal or line count %.2s

Cause of error

- Incorrect entry for the line count under STR in the motor table
- Faulty reference signal
- Noise signals
- Motor encoder cable defective (break or short circuit)

Error correction

- Check the entry in the motor table
- Check the signals of the speed encoder (PWM 8)
- Check the encoder cable for breaks or short circuits under mechanical load (folding, stretching, etc.)
- Check the shield and its connection in the encoder cable
- Exchange the encoder cable
- Exchange the motor
- Inform your service agency