Troubleshooting
474-Add-on Modules
52
9.6 Add-on Module, USB 2.0 embedded
Source side (CPU module)
Sink side (CON module)
Fig. 51
Interface side add-on module USB 2.0 embedded - Failure indication
Diagnosis
Possible reason
Measure
All LEDs are off.
Power supply voltage not available.
Check the power supply units.
Check the connection to the power
network.
When connecting to a matrix: no USB HID
connection available.
Exit the OSD.
USB 2.0 device without
function.
No USB 2.0 device connected.
Check the cable to the USB 2.0 device.
Connect a USB 2.0 device.
Contact your distributor if necessary.
The USB 2.0 device is not supported.
Check the installation of the USB 2.0
device and the necessary drivers at the
CPU.
New connection of the USB 2.0 device.
Contact your distributor if necessary.
USB 2.0 device without
function
CPU Unit and
CON Unit:
LED
1 and
2
are off.
No connection between CPU Unit and
source available.
Check the connection of the USB cable
to the source, select another USB HID
port if necessary.
Check the connectors.
3
2
1
3
2
1
3
2
1
3
2
1