Tescom ER3000 User Manual page 57

•
If the "Comm Error" window pops up, click on "Search Network". As the
program scrolls through the nodes, check the TxD light on the converter.
If it is not blinking, you are not connected to that comm port.
o
When the search is completed, change the comm port and repeat
until you find the correct comm port.
If it is blinking,
o
Check the LED indicators on the ER3000.
If the LED indicators are not as specified in Table 7, refer to Figure 2 to
ensure proper wiring. If the amber LED, LED3, is OFF, suspect the
wrong COM port setting. If the amber LED, LED3, is BLINKING and
the green LED, LED2, is OFF, suspect the wrong node address.
•
If the error message "Tescom Startup failed. DLL may be in use by
another application", click "OK" and use the 'Channel Selection' box to
change the comm port. Repeat the above step.
•
If you try all 4 comm ports without success then try the following:
1.
2.
3.
4.
•
If after trying the comm port found in the Device driver, you are still
unable to establish communications, run Hyperterminal (typically found
in Programs\Accessories\Communications).
1.
2.
56 ER3000 User Manual
Table 7: LED's, Data Transfer
Terminal (Top) Board
LED1, red = ON
LED2, green = BLINKING
LED3, amber = BLINKING
Micro (Bottom) Board
LED1, red = BLINKING
Go to Device Manager: Depending on your operating system,
it may be in MyComputer\Control
Panel\System\Hardware\Device Manager
Click on "Ports" – this will list all the comm ports on your
computer.
If your communications port is higher than 4, you will need to
go to the Tescom.ini file and change it there. This file is
installed automatically during the Windows Tune installation.
It is found in the windows directory on your computer hard
drive.
After changing the comm port in the file, save the file and run
Windows Tune.
A "Connection Description" box will open for a new
connection. Enter any name, such as "abc" and click "OK".
A "Connect To" box titled "abc" will open. Use the drop-
down menu at "Connect Using:" to connect to the comm port
in question (i.e. COM2). Click "OK".