112 - Troubleshooting and Technical Support
DeviceMaster LT User Guide: 2000586 Rev. B
Troubleshooting Checklist
• If using a driver for Windows, you can use one of the Comtrol tools.
- Advanced tab in the Comtrol Drivers Management Console which helps
id
entify problems.
- PortVision DX contains two applications
that can be used to test or
monitor t
he DeviceMaster LT:
- Test Terminal prog
ram, which can be used to troubleshoot
communications on a port-by-port basis. See Testing Ports Using Test
Terminal on Page 118 for testing procedures.
- Port Monitor pr
ogram, which checks for errors, modem control, and
status signals. In addition, it provides you with raw byte input and
output counts. See
Testing Ports Using Port Monitor (PMon2) on Page
115 for procedures.
-Enable the V
erbose Event Log feature on the Device General tab and then
reboot the system.
• Reboot the system, then reset the power on
the DeviceMaster LT and watch
th
e Status (Page 129) light activity.
• Remove and reinstall the DeviceMaster NS-Link device driver.
• If you have a spare DeviceMaster LT, try replacing the device
.
Status L
ED Description
5 quick flashes
The default application is starting
up.
10 sec. on. 1 sec. off, 10 sec. on.1 sec. off... The default application is running.
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