MITS Eleven Auto FPZ-31AT, Command Manual, Page: 105 / 108

104
Trouble Shooting – USB Cable
1. Message "Port Open Error"
❍
Power is not turned on yet.
❍
USB driver is not installed yet.
❍
USB cable is not connected.
In this case, there is no MITS USB driver in device manager screen.
2. There is MITS USB driver in device manager screen.
However, no response when “Start Job” icon is clicked.
❍
Press Shift+ESC to cancel the communication at once.
And then try again.
❍
If there are no response without message, go to
CAM Prefs
→
Board Maker
and re-confirm that RS-232C field is set to USB. and
re-start the software.
3. No response when “Start Job” icon is clicked and Shift+ESC key cannot cancel the
communication.
❍
Turn off the prototyping machine and then try Shift+ESC key to cancel.
❍
If this situation frequently happens, change the properties of USB root
hub in device manager of your computer (See another page)
If everything mentioned above cannot solve the problem, or the
communication is unstable, we recommend using RS-232C serial
communication.
If your computer has no RS-232c port, try USB-Serial conversion cable
which is sold in PC shop.