B&B Electronics ESU2-400 - Manual - Manual (Page 28)

Using configuration utilities USB-to-Serial Adapter User’s Manual
Page 24 Rev 1.01 (February 2007)
Troubleshooting
This section lists some common problems and their causes. If the
information below does not provide a solution, contact B&B
Electronics technical support.
Problem Cause Solution
The USB-to-Serial
adapter cannot
communicate with
other equipment.

The cables are not
connected correctly.
1. Check all cables to make sure that they
are connected correctly.
2. Make sure that each cable is securely
attached.

The device driver is not
installed.
1. Double check the Device Manager per the
instructions in Using Device Manager to
ensure that drivers are installed
correctly and that all devices are working
properly.
2. Try uninstalling the USB adapter from
the Device Manager window and then
repeat the hardware installation
instructions.

The USB port is faulty. 1. If possible, connect a known good USB
device to the PC or hub connector and see
if it operates properly.
Note: Any unauthorized repairs
or modifications will void the
adapter’s warranty.