[Cause]
An external force was applied to the robot when starting direct teaching.
[Countermeasure]
1. Eliminate the cause of external force.
2. If the cause of external force cannot be eliminated, reduce the operating weight of direct teaching as much as possible, hold the open switch, press the alarm release button repeatedly, and then disengage.
3. When no external force is applied to the robot, confirm that the load setting is correct before performing the load confirmation operation.