1. The maximum position error parameter is set too small: confirm the set value of the maximum position error parameter P2-35 (warning condition of excessive position control error);

2. Increase the set value of P2-35 (warning condition of excessive position control error);

3. The gain value is set too small: confirm whether the set value is appropriate and correct, and adjust the gain value;

4. The torque limit is too low: confirm the torque limit and adjust the torque limit correctly;

5. Excessive external load: Check the external load to reduce the external load or reevaluate the motor capacity.