Contec DAI16-4(USB), User Manual

Page: 42 / 65

5. Troubleshooting
DAI16-4(USB)
35
5. Troubleshooting
When encountering trouble or question, you should reference to this section first.
For the usage of [API Function Library], please reference to online help or the sample program.
If you cannot find any piece of applicable information here or taking a suggested action does not solve
the problem, contact your retailer.
5.1. Troubleshooting
Condition Cause and measure
USB port of a PC is unusable. There is no [Universal Serial Bus Controllers] in the category of [Control
Panel]-[System]-[Device Manager].
It may be unusable for USB port without BIOS settings.
BIOS settings is different according to different PC and so that you should
reference to the manual of the PC being used.
"Unknown Device" is registered with
device manager (Win98/Me). The cause is incorrect operation such as canceling the wizard by mistake when
connecting with a USB module.
Follow the following procedure to delete unknown device.
Start device manager, select [Unknown Device] and then click on
[Delete] button.
"USB Device" is registered with device
manager (Windows 2000). The cause is incorrect operation such as canceling the wizard by mistake when
connecting with a USB module.
Follow the following procedure to delete unknown device.
Start device manager, select [USB Device] and then right-click [Delete].
The menu can not be displayed when a
PC CD-ROM is being set. Select "Run..." form Start menu, and then type
X: AUTORUN.EXE (X: CD ROM drive), finally, click on OK button.
The message of "HI-SPEED USB
Device Plugged into non-HI-SPEED
USB Hub" is displayed on Windows
XP. This USB module corresponds to communication with HighSpeed (480Mbps),
and Full Speed (12Mbps) is used to communicate when host controller and
HUT device do not correspond to HighSpeed.
Warning message will be displayed on Windows XP and it does not disturb the
operation.
Fail to output accurate data. Please verify whether the output of each channel is correct by using diagnostic
program. Please short-circuit channels and check whether or not a voltage
value exists.
Unknown reason for abnormal
operation. Please verify the content of error code in the help as error occurs from
function. When program in developing is in no-operation, you should at first
confirm whether the action of diagnostic program and sample program is
normal. Contact with the general Information center if the problem has not
been resolved.In this instance, please send back the result of diagnostic
program and the result of sample program.