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Draco vario
DisplayPort
1.1
Troubleshooting
65
Diagnosis
Possible reason
Measure
CPU Unit:
LED
5 and 6
light up 1x
red and green each
No link connection between CON Unit and
CPU Unit available.
Check the interconnect cables.
Check the connectors.
CPU Unit:
LED
5 and 6
light up
green
No link connection between CON Unit and
CPU Unit available.
Check the interconnect cables.
Check the connectors.
12.3.2 Troubleshooting with Matrix Connection
In the following, diagnoses, causes and measures are described for the case that a video signal is present.
See also status indication of the extender modules in chapter 4.9, from page 29.
In the case of shared operation of a redundant CPU Unit, control of the USB HID devices on the non-active
CON Unit can be taken over by keyboard input or mouse movement.
Diagnosis
Possible reason
Measure
The
Caps Lock
and
Scroll Lock
LEDs on
the keyboard are
flashing.
The keyboard is in command mode
Press Esc to leave the command mode.
Or press Left Shift + Esc to leave the
command mode.
USB device without
function.
No USB HID device detected.
Check the connection of the USB HID
cable to the USB HID device.
Connect a USB HID device.
Contact your distributor if necessary.
The USB HID device is not supported.
Check the compatibility.
New connection of the USB HID device.
Contact your distributor if necessary.
No USB HID connection to the source
available.
Check the connection of the USB cable
to the source, select another USB HID
port if necessary.
Remove the USB and power cables, first
connect the power cable, then connect
the USB cable, and restart the CPU Unit.
Problems with the USB HID connection at
the CON Unit.
Check the connection of the USB HID
cable to the USB HID device.
Remove the USB HID and power cables,
connect the power cable, then connect
the USB cable, and restart the CON Unit.
CON Unit:
LED
5
is flashing
green/light blue and
LED
6
is flashing
red/violet.
No USB HID connection available.
Exit the OSD.
Change Access Mode from Video-only to
Full Access.
Take over control if necessary.