Cause : Copy model error 3 comes when different drive identity codes are found during copying parameters. This error occurs during the process of copying parameters between two Delta MS300 drives using the keypad.

The SE3 error code on your Delta MS300 drive indicates a "Keypad COPY Error 3". This error occurs during the process of copying parameters from one Delta MS300 drive to another using the keypad.

• It is mainly to prevent parameter copies between different HP/models.