Troubleshooting
Draco vario
DisplayPort
1.2
96
Diagnosis
Possible reason
Measure
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
1
is flashing
green/light blue and
LED
2
is flashing
red/violet
(resolution > 1920 px *
1200 px).
The keyboard is in command
mode.
Press Esc to leave the command mode.
Or press Left Shift + Esc to leave the
command mode.
Shared operation of a
redundant CPU Unit.
Move the mouse or press a key to get back
USB-HID control.
Or press Left Shift + Esc to leave the
command mode.
CON Unit:
LED
1
is flashing
green/light blue and
LED
2
is light blue
(resolution
≤
1920 px *
1200 px).
The keyboard is in command
mode.
Press Esc to leave the command mode.
Or press Left Shift + Esc to leave the
command mode.
Shared operation of a
redundant CPU Unit.
Move the mouse or press a key to get back
USB-HID control.
Or press Left Shift + Esc to leave the
command mode.
11.3 Add-on Modules
11.3.1 Serial Interface
Diagnosis
Possible reason
Measure
Serial device is not
operational
Settings of the serial interface
are wrong.
Check baud rate and general settings.
No serial connection to the
source available.
Check connection via serial cable.
No serial connection to the
end device (e.g., touch
screen, keyboard) available.
Connect serial end device and switch it on.
Check connection via serial cable.
Touchscreen is not
operational
Hardware handshake
Adjust serial interface to X-ON/X-OFF
software handshake.