IHSE USA 477 Series Draco compact - Manual (Page 61)

Troubleshooting
2013-03-11
61
8.7 USB 2.0
CPU Unit CON Unit
3 1 2
3 1 2
3 1 2
3 1 2
Rear View Rear View
Diagnosis Possible Reason Measure
CPU Unit:
All LEDs off No connection to CPU  Check connection 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 red Connection between
CON Unit and CPU Unit  Check interconnect cable and
connectors.
No USB 2.0 device  Connect USB 2.0 device. CON Unit:
LED 3 flashing
green / light
blue and
USB 2.0 device
without function
USB 2.0 device is not
supported  Check installation at the CPU,
also the necessary drivers.
 New connection of the USB 2.0
device.
 Contact dealer if necessary.
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