Cause : Illegal data address comes when incorrect communication command from upper unit or malfunction caused by interference. “Warning” occurs when Pr.09-02=0 and the motor drive keeps running. The drive resets automatically when receiving the correct function code.

The fault CE2 indicates an Illegal data address error in Delta MS300 drive. This means the drive received incorrect communication command from the upper unit.

1. Check if the communication command is correct.
2. Check if the setting for Pr.09-02 is the same as the setting for the upper unit.
3. Check the cable and replace it if necessary.