TROUBLESHOOTING
CommLink 5 Technical Guide
14
Troubleshooting the USB Drivers
Troubleshooting Tips
Problems with Prism 2 Software
• Verify that the correct COM port, created by the USB
connection, is selected in the Job-Sites Window. Verify
COM port number by clicking
<Control Panel>,
<System>, <Hardware>, <Device Managers>,
<Ports>.
• Verify that CommLink 5 is selected for Type of
CommLink in the Job-Sites Window.
• Verify that the correct CommLink mode is selected
under Network Confi guration in the Job-Sites Window.
Problems with USB Connection
• Verify that the TX-USB and RX-USB are blinking
when you perform a Search for Units or try to open a
status screen in Prism 2.
• If the USB LEDs fail to blink, disconnect and
reconnect the USB connection.
• If the problem persists, verify that the USB drivers
have been installed properly.
Problems Viewing Multiple Controllers on a Network
• Make sure that the CommLink’s communication
switch is set to Multiple.
• In Prism 2, make sure that Multiple Loop Confi guration is
selected for Network Confi guration in the Job-Sites
Window.
NOTE: AAON Controls Support cannot troubleshoot internal
PC and/or Windows-based operating system prob-
lems.
NOTE: AAON Controls Support cannot troubleshoot fi re-
walls, routers and/or problems on a customer’s internal
or external network. An IT professional may need to
be consulted.
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