Troubleshooting
2011-03-09
55
8.6
USB-HID Add-On
CPU Unit
CON Unit
1
2
3
1
2
3
Rear View
Rear View
Diagnosis
Possible Reason
Measure
LED
1
/
2
off
Device at higher / lower
USB-HID port not
detected
Check connection of USB cable
to USB-HID device.
Connect USB-HID device.
Contact dealer if necessary.
CPU Unit:
LED
3
off
Connection between
CON Unit and CPU Unit
Check interconnect cable and
connectors.
CON Unit:
LED
3
off
Keyboard in Command
Mode
Press <Esc> to leave Command
Mode.
Connection between
CON Unit and CPU Unit
Check interconnect cable and
connections.
CON Unit:
LED
3
flashing
slowly
Keyboard in Command
Mode
Press <Esc> to leave Command
Mode.
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