Cause : Load fault warning comes when the load is deviated from the detection width set in Pr.1488 Upper limit warning detection width or Pr.1489 Lower limit warning detection width.

1. Check if too much load is applied to the equipment, or if the load is too light.
2. Check that the load characteristics settings are correct.
3. Inspect the equipment.
4. Set the load characteristics (Pr.1481 to Pr.1487) correctly.