IHSE USA 477 Series Draco compact - Manual (Page 57)

Troubleshooting
2013-03-11
57
8.2 USB-HID
1 1 1 2 3
1 2 3 3
Rear View Front View
Diagnosis Possible Reason Measure
Keyboard LEDs
Shift and Scroll
are blinking Keyboard in Command
Mode  Press to leave Command
Mode.
CPU Unit:
LED 3 green or
violet No USB connection to
CPU  Check connection of USB cable
to CPU; select another USB port
if necessary.
 Remove USB and power cable
and restart CPU. Connect power
cable first.
CON Unit:
LED 3 green or
violet Problems with USB
connection  Check connection of USB cable
to USB-HID device.
 Remove DVI and power cable
and restart CON Unit. Connect
power cable first.
No USB-HID device  Connect USB-HID device. USB device
without function USB-HID device is not
supported
 Contact dealer if necessary.
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