Troubleshooting Tips. WattMaster VAV CommLink 5 Communications Interface

TROUBLESHOOTING

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:

WattMaster Controls Technical Support cannot troubleshoot internal PC and/or Windows-based operating system problems.

NOTE:

WattMaster Controls Technical Support cannot troubleshoot fi rewalls, routers and/or problems on a customer’s internal or external network. An IT professional may need to be consulted.

14

CommLink 5 Technical Guide