Comtrol DeviceMaster LT User Manual
Page 112
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
identify problems.
-
PortVision DX contains two applications that can be used to test or
monitor the DeviceMaster LT:
-
Test Terminal program, which can be used to troubleshoot
communications on a port-by-port basis. See
on Page 118 for testing procedures.
-
Port Monitor program, 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)
115 for procedures.
-
Enable the Verbose 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
the 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 LED
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.