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Troubleshooting, Usb-link 2 11 technical guide, Troubleshooting tips – Auto-Zone Control Systems USB-Link 2 Technical Guide, Installation Instructions for the USB-Link 2 (Version 01E) User Manual

Page 11

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USB-Link 2

11

Technical Guide

Troubleshooting

Troubleshooting Tips

Problems with Prism 2 Software

Verify that the correct USB serial port created by the

USB connection is selected in the Job-Sites Window.
Verify the COM port number in

,

,

,

,

.

Verify that USB-Link 2 is selected for Type of CommLink

in

the

Job Sites Window.

Verify that the correct USB-Link 2 mode is selected

under Network Confi guration in the Job-Sites Window.

Problems with USB Connection

Verify that the USB-Link 2’s USB LEDs blink when you

perform a Search for Units or try to open a status screen in
Prism

2.

If the USB-Link 2’s USB LEDs fail to blink, disconnect and

reconnect the USB connection.

If the problem persists, check that the USB drivers

have been installed properly

Problems with RS-485 Wiring

Make sure T connects to T, R to R, and Shld to Shld if

multiple boards are wired together on a loop.

Make sure that the USB-Link 2 mini-DIN communication

cable is plugged into a controller or wired to the local
side of the loop.

Problems Viewing Controllers on a Network

Make sure that in Prism 2, USB Link Network is

selected under Network Confi guration in the Job-Sites
Window.

Make sure that EPROM chips in CommLink II and III

are version 3.15 or later and in MiniLinks are version
3.14 or later.

NOTE:

WattMaster Controls Technical Support cannot trouble-
shoot internal PC and/or Windows

®

-based operating

system problems.