Auto-Zone Control Systems USB-Link 2 Technical Guide, Installation Instructions for the USB-Link 2 (Version 01E) - Manual (Page 11)

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.