代碼 530: CMT MIS-CONNECTED

Type of error: G — External I/O unit (malfunction of external I/O unit) Stopped status: L — Operation continued Clearing procedure: S — Press clear key Display colour: Blue Cause: This message implies incorrect cable connection between CMT (cassette magnetic tape unit) or microdisk unit and the NC unit, or implies a power-off status or an incorrect baud-rate setting. In the case of microdisk unit, this message also implies incorrect setting of a floppy disk. Action: 1. Check for correct cable connections. 2. Check if power is turned on. 3. Check for correct baud-rate setting. (Parameter for the NC unit: Baud rate) 4. For microdisk unit, check if the floppy disk is correctly set.